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New Gall-mites of the subfamilyNothopodinae (Acarina: Eriophyidae)from IndiaM. Mohanasundaram aa Cashew Research Station, Vriddhachalam, 606001, Tamil Nadu,India

To cite this article: M. Mohanasundaram (1981): New Gall-mites of the subfamily Nothopodinae(Acarina: Eriophyidae) from India, Oriental Insects, 15:2, 145-166

To link to this article: http://dx.doi.org/10.1080/00305316.1981.10434851

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Vol. lS (2) ~ 145-166 ORIENTAL INSECTS April-June 1981

NEW GALL·MITES OF TIlE SUBFAMILY NOTHOPODINAE (ACARINA: ERIOPIIYIDAE) FROl\I INDIA

M. Mohanasundaram Cashew Research Station, Vriddhaclzalam 606001, Tamil Nadu, India

ABSTRACT. In 1his paper twelve new species and one new genus under the sub­family Nothopodinae Keirer are described : Four species of C%podaclIl, viz. benKa/ensls, wa/ayartmsls, eUKeniae and KYlla/axtae, 2 species of Anothopnda, viz. deviarensis·and wight/Mae; Nuthopoda kallarensis; 4 species or Floracarus, viz. eUKeni/oliae, salvi/ollae, ·sivakumarl and slruvaniensi.r and Neocose/la ichnocarpac, sen. et sp. nov.

INTRODUCTION

The gall-mites of the Indian Region belQDging to the subfamily Nothopodillae Keifer (1956) have not been studied. In the preseqt paper n new species belonging to 4 genera and one new genus are described from the material collected from different parts of Southern India, recording the subfamily for the fIrst time from the Indian Region.

Colopodacus bcngalensis, sp. nov. (Fig. 1)

This species is near C. a/ricallils Keifer (1960) but can be differentiat~d by the shield pattern, abdominal setal length, smooth tergites and shorter legs.

Female: 160-165 po long, light brown, 55 II- wide, rostrum 10 po long, point­ing Q.ownwards; antapical seta not visible shield 50 po wide, 38 ,.t long with a dear pattern of Hnes; median complete except fOI"thc anterior end. admedians c9mplete, nearly parallel to the median with cross Jines connected to the median at three points fairly· cqtlidistant along the length;. first and second submedians broken and join the admedians at 0.67 the length from the rear shield margin; third submedian forms the border of the shield on the sides rind nearly complete, with a diagonal connection on the anterior half with, the ad medians; sides of shield with short lines and granulations; dorsal tuberc1~s cone-like, 25 p. apart at about the middle of the shield, dorsal seta. 5 p. long, pointing upward and inward. Fore leg 18 I' long. tibia absent, tarsus 6 I' long. claw 5 II. long on the inner angle. pointing diagonally inwards; feather claw 5-rayed; femora~, patellar and tarsal satae present; hind leg 15 II- long, tibia absent, coxae smooth, all three setiferous tubercles present. Abdomen with about SO-55 smooth tergites and an equal number of microtuberculate stcrnites, microtuberc1eS' elongated and placed along the posterior border of each ring; lateral seta 16 p. long on ring 6; first ventral seta 15 I' long on ring ]5; second ventral seta 15 p. long on ring 30; third ventral sera 12 I' long on ring 6 from

Published September 1981

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146 AL INSECTS Ol\lENT .

A . nov. -D btngalens1s. Sp. I odcCUI Fig- J. COIOP

VQ1. IS, ~O. ~

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1981 ,-'tOIlANASUNDARAM : ON NnW INDIAN OALLMiTES 141

behind; caudal seta 35 f' long; accessory seta absent; female genitalia 18 f' wide, 12 f' long; genital coverflap smooth, genital seta 7 f' long.

Male : 140-150 f' long, 50 f' thick; genitalia 17 f' wide, genital seta 4 po long.

Types: A holotype slide with ~!? and S paratype slides with cr and ~, iNOlA: TAMIL NADU : Coimbatore, 14.i.1980, ex Ficus bengalensis L. (Moraceae), Colt. No. 349.

Remarks: The mites are vagrants on undersides ofleaf causing no symptoms.

Colopodacus eugeniae, sp. nov. (Fig. 2)

This species can be differentiated from other known species by the 6-rayed feather-claw. and the foreclaw placed on I the inner angle of tarsus, pointing diagonally inwards. It is also unique in possessing long wax-threads on its body in all stages.

Female: Mites with long wax-threads, resembling aleyrodid nymphs, 175-180 f' long, 55 f' wide, rostrum 18 I' long, down curved, antapical seta not visible, shield 45 11, wide and 25 'f' Jong, median represented as n sqort line at mid part of lhe shield, admedian short, joined on the rear end, anteriorly a curved line, sides of shield clear" dorsal tubercles at the rear margin of the ~ield, 35 f' apart, dorsal tubercles prominent, 6 /l. long with setae 18 /l. long, projecting upward and forward; fore leg 17 f' long, tibia absent, tarsus 6 II. long, claw' 4.5 #l long ,placed on the inner angle of tarsus, projecting diagonally inwards, feather claw 6-rayed, patellar and tarsal setae prescnt; 'fore femoral se,ta absent; hind leg 15 /l. long. tibia absent; tarsus 5 /l. long; claw S f' long in dorsal position;, patellar, tarsal and femoral seta present; coxae widely joined with series of longitudinal lines in between fore coxae; all three setiferous tubercles present; coxae studded with dots forming cross-line like markings. Abdomen with about 35 smooth tergites, 6S microtuberculate stemites; lateral seta 14 It long on ring 12; fust ventral seta 58 I' long on ring 25; second ventral seta 3S fl.long on ring 42; third ventral seta 11 p. long on ring 6 from behind: caudal seta 25 f' long; accessory seta absent. Female genitalia 21 '" wide, ]3 /l. long, coverflap with curved lines at the tip number-ing 6-8; genital seta 5 /l. long. -'

,Male: Unknown.

Types: A holotype slide and 5 paratype slides'all with. W. INDIA TAMIL' N ADU: Siruvani Hills, near falls, 25.yii.1916, Collection No. 243, ex Eugenia sp. (Myrtaceae). Mites found as vagrants causing rusting of leaves.

Colopodacus gyllalaxfae, sp. nov. (Fig. 3)

This species, is differentiated from other known species or C%poJaclls by its enlarged, conspicuous female genitalia and the palmate feather claw in the fore leg of mate, showing sexual dimorphism.

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148 ORIENT AL INSEctS Vol. IS, No.2

OA' . ~

Fig. 2. Colopodacu$ euzenlae. sp" nov.

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1981 MOllANASUNDARAM: ON NEW INDIAN GALLMtTES 141)

Female : 190-200 p.long, 70 (J. thick; rostrum 12 1£ long, down-curved; antapical seta 1.5 jJ. long; shield 60 p. wide, 45 p. long, with a small lobe oy~r the rostrum base; median nearly complete; admedians complete; submedian represented by short forked line at about the mid region; anterior shield margin with 3 celIs on either side of the admedians; sides of shield with short lines; dorsal tubercles just away from rear shield margin, 35~' apart, dorsal seta 3 f' long, pointing upward .and outward; fore leg 17 p. long, tarsal and patellar seta present, femoral seta absent; tibia absent; tarsus ,6 1£ long; claw 4 p. long with knobbed tip, pointing inward diagonally; feather claw 5-rayed; hind leg 16 p.long, tarsal, patellar and femoral seta present, tibia absent; tarsus 6' p. long; claw, 8 p. long in dorsal position; coxae fused; all three setiferous tubercles present; fore coxae granu~ar; hind coxae with granulation anterior to the seta 3; abdomen with about 35 t~gites and 50 sternites; tergites with elongate microtuberc1e!: on the lateral sides; sternites with elongate microtubercles in the mid region; lateral seta 20 p. long on ring 6; first ventral seta SS p. long on ring 15; second ventral seta 5 p. long on ring 28; third ventral seta 15 f' long, thick, on ring 6 from behind; caudal seta 60 p. long; accessory seta ,absent; female genitalia closely appressed to coxal base;' 40 p. wide; 25 p. long, coverflap without lines, central area of coveflap finely granular; lateral areas with thick granulation; genital seta 6 p. ~ong. I •

Male: 180 I' long,160 p. thick; genitalia 20 f' wide; genital seta 6 p. long. The male fore leg claw broad, palmate and characteristic in shape.

Types: A 'holotype slide with W' and 4 paratype slides with ~,-c1, INDIA: TAMIL NADU : Siruvani HilJs, 2S.vii.1976, Collection No. 244, ex unidentified' creeper. Mites are undersurface !eaf vagrants.

Colopodacus walayarensis, sp. nov. (Fig. 4) (

This species resembles C. glochidionis Keifer (1969) in possessing 4-raycd feathef claw, but can be differentiated- from it by the lateral position of the fore claw, shield pattern and the non-granular femora.

Female ': 160-170 ~ long; 60 ~ thick; rostrum 1 S ~ long, down curved, projecting slightly backward, antapical seta 4.5 p. long; shield oval to semicir­cular in. outline dorsally, anterior lobe over rostrum short, 55 p. wide and 40 JI. long with a clear pattern; median represented in the posterior 0.67 with cross bars at about middle and anterior end connected with ad medians; admedians wavy, complete, converging anteriorly with a cross bar anteriorly; first sub­median starting at the base of the dorsal tubercle, converged and joined .with the admedians anteriorly, second submedian branched posteriorly. converged and joined with the first submedian anteriorly; sides of shield with short wavy strokes and striations and granular; dorsal tubercles away from rear shield margin. 20 p. apart. dorsal setae 5 p. long pointing upward and inward; fore leg 22 p.long; tibiotarsus 10 p. long, tibial seta 12 p. long; claw 4 JI. long, knobb­ed at tip, placed on the inl}er aspect of the tibiotarsus projecting diagonally centrad; feather claw 4-rayed; hind leg 20 p. long, tibia 3 p. long; claw 6 p. long.

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ISO ORtENt At tNSECTS Vol. IS. No. ~

" /

OA . Fls.3. ColopodacuJ "gynalaxtat. sp. nov.

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19S1 MOIIANASUNDAkAM : ON NEW INDIAN OALLMITES lSI

:. DA

Fig. 4. Colopodacus walayarens!s, sp. nov.

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152 ORIENTAL INSECTS Vol. IS, No. :1

siraight, tapering and slightly knobbed at tip; anterior coxae broadly fused, first and second setiferous tubercles in line while the third placed wider apart, abdomen with about 47 rings, tergites and sternites well· differentiated, tergites smooth; sternites microtuberculate sparsely on the midventral .and lateral areas, the posterior sternites with clear, thick microstriations, lateral seta 12 I' long on ring 6; first ventral seta 26 I' long_ on ring 16; second ventral seta 5 I' long on ring 26; third ventral seta 22 I' long on ring 7 from behind; caudal seta 60 I' ,long; accessory seta absent; female genitalia a moderate distance from hind coxae, 20 p. wide, 15 '" long; cover flap with the basal half granular and distal half clear; genital seta 7 p. long.

Male: Unknown.

Types: One holotype slide and 3 paratype slides aU with ~~, INDIA: TAMIl

NADU: Walayar forest, 20.ix.1975, Collection No. 192.

1I0st: Unidentified forest shrub. Mites are undersurface leaf vagrants.

Anot~opoda deviarensb, sp. noy. (Fig. 5)

This species is near A. jolmstoni Keifer (1959a) but can be tiifTerentiated by the forked median line on the shield, sides of shield with short lines and pre­sence of a small accessory seta.

Female: 210-220 I' long, SO I' thick, worm-like; rostrum 12 p. long, antapical seta.4 p. long; shield 4S I' wide, 30 I' long, with a Clear pattern of lines; median represented in the rear half of the shield, forked anteriorly 'and joining the admedians; admedians nearly complete, forked anteriorly, with a cross ]ine on the rear half, joining with the median; 3 or 4 short lines in the r<?ar half of the shield connected to a cross line joining the admedians; dorsal, tubercles and setae absent; fore leg 21 I' long; tibia 3 p. long, tibial seta absent, other usual setae present; tarsus 6 11. long; claw 5 p.}ong; feather claw 4-rayed, hind leg 18 I' long; tibia 2 Jl. long; claw 7 p. long; coxae fused; first coxal tubercles with setae absent; abdomen with about 64 rings with elongate microtubercles; lateral seta 2S Jl. long on ring' 10; first ventral setae 40 Jl. long on ring 20; second ventral seta absent; third ventral seta 20 p. long on ring 8 from behind; caudal seta 3S 11. long, accessory seta 2 I' long;, female genitalia not appressed to coxal base, 22 I' wide, 14 I' long, coverllap with basal granulation; genital seta 6 p. long.

Male: 16S I' long. 4S p.:thick; genitalia 15 p. wide; genital seta 6 p.long.

Types .' A holotype slide, with ~ and 5 paratype slides with ~~ and ~. INDIA: TAMIL NADU : Deviar Cardamom. Estates, Saithur Hills, Ramanathapu­ram district, 7.viii.1977, Collection No. 267.

lIost .' Unidentified plant with hairy, finely serrate edged, oblong leaves. Mites found as undersurface leaf vagrants.

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1981 MOHANASUNDARAM ON NEW INDIAN GALLMlTES 153

Fig. S. Anothopoda dev/arens/s, sp. nov.

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154 ORltNT At iNSECTS Vo1. IS, No.2

Anothopoda wightianae, sp. nov. (Fig. 6)

This species can be differentiated from A. jolmsloni Keifer (1959a) by the 5-rayed feather claw and the fore claw placed on the inner angle, pointing diagonally inwards.

Female: 250-260 I-'Iong, 55 I-' thick, worm-like; rostrum 12 I-' long pointing downwards, antapical seta 3 I-' ~ong; shield 40 I-' wide, 27 I-' long with a clear pattern of lines; median nearly complete, admedians wavy, with cross lines, connecting with the median near the rear' end, submedians wavy with forkings; small seorings and short lines in between median, admedians, and submedians, sides of shield with short lines; dorsal tubercle:and setae absent; fore leg 24 I-' long, with femoral, patellar and tarsal setae :alone present; tibia absent, claw on the inner angle of tarsus pointing diagonally inwards, tarsus 9 jJ. long; claw 4 I-' long; feather claw S-rayed, hind leg 22 I-' long; tibia absent; femoral seta <m the lateral side, patellar and tarsal setae present, claw 8 I-'long in.normal position;-coxae with the first setiferous tubercle' absent, coxal area granular; abdomen, with about 70 rings with elongate microtuberc1es; lateral seta 18 I-' long on ring 10; first ventral seta 35 I-' long on ring 22, second ventral seta absent; third ventral seta 20 I-'long on ring 6 from behind; caudal seta 30 I-' long; 'accessory. seta 1 I-' long; female genitalia not appressed to coxal base, 23 I-' wide" 15 I-' long; covertlap with basal granulations and without lines; genital seta 5 I-' long.

}rfale: Unknown.

Types: A holotype slide and 5 paratype slides. with W, INDIA: TAMIL

NADU : Dodabetta, Nilgiris, 22.iv.1976, Collection No. 229.

llost : Lilsea w;ghtiana (Nees) Hack (Lauraceae). Mites occur as leaf vagrants.

Nothopoda kallarensis, sp. nov. (Fig. 7)

This species resembles N. rapaneae Keifer (1951) but can be differentiated by the dorsal shield with fine scorings and the shield pattern.

Female : 130-140 I-' long. worm-like, 40 I-' thick; rostrum small, 15 I-'10ng, projecting down; shie\d.40 I-' wide, 30 I-' long; median line thin, wavy; admedian thick, wavy, seen for the whole-length 'of the shield; cross lines at basal 0.3 and IlJiddle of shield connecting the admedians through the median; sub· medians represented by faint line~ only at the shield base; sides of shield with wavy lines fprmed by short thick strokes; dorsal tubercles 13 I-' apart, situated on either side of the admedians at about 0.3 the distance from rear shield margin, dorsal setae 11 I-' long, projecting caudo-laterally; fore legs 20 I-' long; tarsus 8 ,.,. long; tibia absent; claw 4 I-' long, slightly arched and blunt at tip; feather claw 4-rayed; hind leg 18 ,.,.Iong, tarsus 8 I-' long; tibia absent; claw 6 1-' long; fore coxae broadly fused with the suboral plate, granular, first setifer· ous- coxal tubercle absent; hind coxae granular ar~und coxal tubercle III; sp~ce between hind coxae clear; abdomen with 55 to 60 rings, uniformly mictotuber·

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T-IOllANASUNDARAT-l ; ON 'NEW ,NDlAN OALLMITE$ l55

Fig. 6. Anolbopoda 'II'lg"t/anae. ~p. nov.

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156 O~IJ;NT f'\L I~SJ;CTS Vol. 15, No.2

Fig. 7. Not/lopo,!a ka aren • 11 sis sp. nov.

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1981 MOIlANASl1NDARAM : ON Nf;W INPIAN QALLMITES lS7

, "*' DA Fig. 8. Floracarus tugenl/ollae, sp. nov.

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158 ORIENTAL INSECTS Vol. IS, No.2

culate; microtuberc1es elongated, closely placed ventrally and sparsely placed dorsally, fading away towards posterior end; lateral seta 15 " long on ring 7; first ventral seta 40 I' long on ring] 5; second ventral seta 8 " long on ring 30; third ventral seta thick, 13 " long on ring 8 from behind; caudal seta 50 " long; accessory seta absent; female genitalia a little away from hind coxae, 20 I' wide, 10" long; coverflap granular. without any longitudinal ribs but with one or two crescent ric furrows, genital seta 6 I' long .

. Male : Unknown.

Types: A holotype slide and 5 paratype slides, all with W, INDIA: TAMIL

NADu: Kallar. ncar river, IG.v.1973, Collection No. 60 and 62, ex an unidentifi­ed host.

Remarks: Mites found in white to brown erineal patches on the underside of leaves with corresponding protuberances on the upper side.

Florncnrus eugentrollae, sp. nov. (Fig. 8)

This species is ncar F. ilicis Keifer (1965) but can be differentiated from it by the fore claw shorter than hind claw and the sides of shield with lines, npart from shield pattern.

Female: 180 .. 190 "long, 47 "thick; rostrum 12" long, evenly down curved, . antapical seta 3 " long; shield 40 I' wide, 30 " tong, with a ciear pattern;

mcdi:m represented in the anterior half of the shield; admedians complete, . with a cross line nt the base of the median and joined posteriorly forming a circle; sides of·the shield in the anterior half with curved lines; dorsal tubercles prominent, 25" apart; dorsal setae 1 5 I' long pointing backward and outward; fore leg 22. I' long, tibia absent; tarsus 8 " long; claw 4 " long 'on the inner angle of tarsus, projecting diagonally inwards; feather claw S·rayed; fore leg with patellar and tarsal setae alone present; hind leg 17 I' long; tibia absent; claw G " long in dorsal position; patellar, tarsal and hind femoral setae present; coxae fused with the suboral plate, granular; first setiFerous coxal tubercles absent. Abdomen with about 85 rings, tergites smooth to faintly microtuberculate; stcrnitcs with microtuberclcs; lateral seta 15 " long on ring 10; first ventral seta 60 I'long on ring 25; second ventral seta 10 I' long on ring SO; third ventral seta J 8 I' long on ring 7 from behind; caudal seta 25 " long; accessory seta absent; female genitalia 18 I' wide. 12 I' long, coverflap without lines and with basal granulations; genital s·eta 10 ,.,. long.

Male: 1.45 I' long, 40 " thick; genitalia 15 JI. wide; genital seta 5 I' long.

Types: A holotype slide with ~ and paratypc. slides with &c1, ~~, INDIA: TAMIL NAOU : Siruvani Hilts, ncar falls, 2S.vii.1976, Collection No. 243.

lIost : Eugellia sp. (Myrtaccae). Mites with wax covering all over the body; undersurf<\ce leaf vagrants.

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1981 MOIiANASUNDARAM : ON NEW INOIAN OALLMITtS 159

- Fig. 9. Florac(J'III saM/ollat, sp. nov.

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160 ORIENTAL INSECTS Vol. IS No, 2

Florllcarus sahlroliac, sp. nov. (Fig. 9)

'This species is ncar F. c),phomalldrae Keifer (1974) but can be differentiated from it by the non-granular shield pattern and the female genital coverflap.

Female : 135-145 I' long, 53 I' thick, rostrum 11 II long, down curved, antapical seta 3.5 I' long; shield 44 I~ wide; 33 I' long; blunt at front with a characteristic spiny protuberance over rostrum base; median complete, ad­medians slightly curved; complete; two cross lines acr~ss the median line connecting the admedians; first submedian represented in the posterior' 0.7S and joins the anterior cross line, second submedian represented by a short line in the middle of the shield just below the base of the dorsal tubercles; the third submedian complete and forms the b~rder of the shield; sides of shield lightly granular and show distinct lines in the anterior portion; dorsal tubercles prominent, 27.S I' apart, ncar rear shield margin; dorsal seta 8 I' long, pointing backwards; fore leg 18.5 I' long, tibia absent; tarsus 5.5 I' long; claw 5.5 I' long, knobbed at tip, placed on the inner angle, pointing diagonally inward; feather claw 4-rayed; femoral, patellar and tarsal seta present; coxae with the first setiferous tubercles absent; coxal area granular; abdomen with about 40 smooth tergites; 50 finely mierotllberculate sternites; lateral seta 18.5 I' long on ring 6; first ventral seta 44 "long on ring IS; second ventral seta 5.S I' long on ring 27; third ventral seta 21 I' long on ring 7 from behind; caudal seta 60 I' long, necessary seta 6 I' long; female- genitalia a little away from coxal bas~; 22 I' wide, ],2/4 long, coverllap with basal granulation and distally with 15-17 faint lines; genital seta 5.5 I' long. .

:Male : 140 lAo long, 45 IJ: thick; genitalia 15 I' wide, genital seta 6" long.

Types: A holotype slide with W nnd 3 paratype slides with ~c1, W, INDIA:

TAMIL NADU : Ettimadai, beyond Madhukarai, Coimbatore, 26.x.1972, Collection No. 19.

Host : Alallgitllll salvifolium Wang. (Alangiaceae). Mites found among the erineunl caused by Eriophyt.'l alangil Nalepa.

I

Flor.acaflls slruvnnlcnsl." sp. nov. (Fig. 10)

This species resembles F. JlescllllCfi Keifer (I9S9b) but can be differentiated from it by the granular sides of shield nnd the female genital coverllap with two cross lines. '

Female: 190-200 I' long; 70 I' thick; rostrum 10 I' long, pointing downwards; antapical seta 2 I' long; shield 45 lAo wide 35 I' long with clear pattern of ,lines; median ndmedians complete with 3 cross lines in between them; submedians' represented in the anterior region forming cells; anterior margin of shield with celts, the whole shield area with short line-like irregular markings; sides of shield granular; dorsal tubercles nway from shield margin, 2S I' apart, dorsal seta 10 " long, pointing upward and inward; fore leg 17 I' long, tibia absent, tarsl\s 6 I' long. claw 4.5 I' long on the inner angle of tarsus; projecting diagonally inwards; feather claw 4-rayed; hind\eg r3 I' long, tibia absent: tarsus

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1981 MOIlANASUNDARAM : ON NEW INDIAN OALLMITES

DA

, :. ,,)

:'." ~ . '" " . ' .. . ... " ;" .. "". ".

" .... '" .

. I,

" ", I'"

# • ,0 ,., ~ . .,~ .. ;.~. ,," .e·" .' ,0-:." ...

:.:.' ..... e •

.................... .. .... " o ...... " ..... ' • , " ..... ' ........ ..

:.":" ........ "0 • •• ....... ......... •• .. •• '

.... ~'" " 'GFl'" ," ...... .

Fig. 10. FloracarUJ slru~anll'nsll. sp, nov. "

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162 ORIENT AL INSECTS Vol. 15, No.2

6 I-' long; claw 6 I-' long in normal position; fore coxae fused, first setiferous coxal tubercles absent, granular; hind coxae granular around third. seti­ferous tubercles; abdomen with :about 55-60 rings; tergitcs smooth; sternites microtuberculate; lateral seta 17 I' long on ring 10; fmt ventral seta 28 I-' long on ring 22; second ventral seta 5 I-' long o"n ring 35;' third ventral seta 20 I-' long on ring 8 from behind; caudal seta 55 "long; accessory seta absent female genitalia a little away from coxal base, 20 '" wide, 14 I' long; cover flap with two crecentric lines and granulation, genital seta 6 I-' long.

A! ale: 160·170 I' long, 58 I' thick, genitalia 15 I' wid~; genital seta 5 I' long.

T,11'C'S: A holotype slide with ~ and 3 paratypc slides with ~,oo, INDIA: TAMIL NADU : Siruvani Hills, ncar falls, 25.vii.1976, Collection No. 2.t5.

/lost: Unidentified shrub; mites arc undersurface leaf vagrants.

Floracarus shakumarii, sp. nov. (Fig. 11)

This new species is ne:u F. caloll},ct/olJls Keifer (1953) but can be djfferen­tiated from ~t by' the non-granular shield area, absence of a shield lobe projec­ting over rostrum base, absence of crescentric· scorings on the genital coverflap.

Female: 180-190 I' long, 45·50 11. thick, worm-like; rostrum 12 I' long, poin­ting obliquely downwards; antapical seta 2 I' long; shield 40 I' wide, 27 I' long, with a clear pattern of lines; median, admedians, submedians all present forming a network of cells, sides of shield granular; dorsal tubercles near shield margin, 25 I' apart; dorsal seta 17 '" long, projecting backward and outward; fote Irg 17 I' long; tibia absent; tarsus 6 '" long; claw 3.5 '" long, slightly knobbed at tip, pr4!sent on the inner angle of the tarsus, pointing obliquely inwards; hind leg 17 I' long; tarsus 5 I' long; tibia absent; claw 4 I' long placed in normal position; femoral, patellar and tarsal setae present in both legs; fore coxae fused; first setiferous tubercle absent; coxal area granular; abdomen with about 60 rings, uniformly microtubcrculate; lateral seta IS I' long on ring 8; first ventral seta 42 I' long on ring 20; second ventral seta 5 I' long on ring 35; third ventral seta 12 I' long on ring 6 from behind, caudal seta 30 I' long; accessory seta absent; female genitalia close to coxal base, 18 I-' wide, 12 I' long; covcrnap granular; genital seta 5" long ..

Male: Unknown. T)'pe.~ .' A holotypc slide and 5 paratypc slides all' with W. INDIA: TAMIL

NADU : Siruvani Hills, near falls. 25.vii.l976. Collection No. 249. /10"" : Unidentified. Mites are undersurf:lcc leaf vagrants. This species is named in honour of my colleague Dr. C.V. Sivakumar, who

collected a large number of eriophyids for me from several forest areas.

Ncocosclla, gen. !l0v.

The new genus is near Cosella Newkrik and Keifer (1975). but can be

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1981 MOHANASUNOARAM : ON NnW INDIAN GALLM1TES 163

:fI F\

OA Gfl Fig. 11. F/oracarlls slvakllmaril, sp. nov.

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164 OklENT At INsl!CTS Vol. 15, No. 2.

differentiated by the presence of shield tubercles in lateral position with the setne pointing laterad. This genus is also unique among the genera of Nothopo­dinae, in possessing a bent seta near the claw on aU legs;

Dody fusiform, tapering; rostrum short, projecting down; shield semi­circular with a small pointed lobe over rostral base; shield tubercles away from rear shield margin, placed laterally, setae pointing laterally outward; fore c9xae fused, first setiferous coxal tubercles absent; legs with tibia absent, tarsi wit~ a bent seta on the inner angle; fore claw on the inner angle of the tarsus, pOlO· ting diagonally inwards; abdominal rings with elongate microtuberc1es ~n the ventral side; all abdominal seta,e present; female genital coverOap with numerous wavy lines il\ the type-species.

Type-species: Neocosella Iclmocarpae, sp. nov.

NcocosclJa Ichnocarpac, sp. nov. (Fig. 12)

Female: 1 SO- I 60 IJ.loog; 50 iJ. thick~ rostrum II I-' tong. pointing downwards, antapical seta 3 'I-' long; shield 50" wide, 38 I-' long, with a light U-shaped· marking. otherwise clear; shield tubercles 45 11. apart on the lateral sides of the shield; setae 7 I-' long, thin, pointing laterally outwards; shield projecting over rostral base with a pointed tip 'and either' partially or completely covering the rostral base; fore leg 17 I-' long; tibia absent, tarsus 7 I-' long; claw 3 I-' long, lightly curved nnd knobbed at ,tip, placed on the inner angle of tarsus, projecting diagonally inwards; feather claw 4-raycd; hind leg IS I-' long; tibia absent; tarsus 61-' long; cJaw 4 I-' long, dorsal in position, knQbbed at tip; aU tarsal segments with a characteristic bent seta near the feather claw; coxae with the flrst sctiferous tubercle absent; coxal area with fine granulations and striations; abdomen with 28·30 smooth tcrgitcs; 35·37 microtuberculate sternites, micro­tUbercles elongate and widely spaced; lateral seta 20 p. long on ring 5; first ventral seta 6 I-' long on ring 20; second ventral seta 3 I-' long on ring 30; third ventral seta J 3 I' long on ring 6 from behind; caudal seta' 30 I-' long, accessory seta not Visible; female genitalia 17 I' wide, 10 I' long, coverflap with numerous short wavy striations, genital seta 61' long.

},[iJfc': unknown.

Types : A hototype slide and 5 paratype slides, aU with W, INDIA: }(ARNAT AKA: Danga)ore, University of Agricultural Sciences campus, 24. vi.197 4, ColJection No. 126.

Host: Iclm()carpus !rlllesctnl (L.).n. Dr. (Apocynaeeae). Mites are under· surface lcafvagrants, causing slight crinkling ofJeaves.

All the type-slides are deposited in the Department of Agricultural Entomology collections, Agricultural College and Research Institute, Tamil Nadu Agricutturq.l University. Coimbatore, India.

Abbreviations used to denote various parts in the figures are as follows: APr, Internal female genital apodemc; CS~ Side View of cauda; CV, ventral

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165

FiS' U. Ntocosella {chnocarpat. gen. ct ~p. nov.

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166 OIUENTAL tNSECTS Vol. IS. No.1

view of cauda; DA, Dorsal view of, anterior section of shield; ES, Side skin structure; F, Feather claw; {lFI, Female genitalia and coxae from below; GM, Male genitalia; Ll, Left fore leg; L2, Left hind leg; MFF, Feather claw of male fore leg; S, Side view of mite.

REFERENCES

KElFn., 11.11. 195f. Eriophyld studies XVII. Bull. Dept. Alrlc. Calf/. 40 (3): 93·104. KElnR, 11.11. 1953. Eriophyid studies XXI. Dull. Dept. Alrlc. Calif. 41(2) : 65·79, KEIFER, 11.11. 1956. Eriophyld .tudies XXIV. Bull. D~pl. A,rlc . .calif. 44 (4) : 159.164. KEIFER, nil. 1959a. New criophyid mites· Ann. En/. Soc. Arner/(a 51 (6) : 649-657. KmLR, 1111. 1959b. Eriophyid studies. XXVlII. Occasional paperl No.2. Bur. Ent.

Calif. Dept. A,rlc. p. 22. KElftR, H.II •. 1960. Eriophyid sludies. BI. Bur. Em. Calif. Dtpl. A,ric. p. 20. KEIFER, 11.11. 1965, Erlophyld studies. D JJ Bllr. Ent. Calif. Dept. Agrlc. p. 20. KEIFER, 11.11. 1969. Eriophyid studies. C.2. Enturnol. ReI. Dlv. ARS, USDA. p. 20. KElnR, 11.11. 1974. Eriophyid studies. C.9. Entomol. ReI. Dlv. ARS, USDA. p. 24. NEWKIRK, R. A. &. KEIFER, II.Il. 1975. Mlltl injurioul 10 economic plan II. In Jeppson.

L.R, Keifer 11.11. & BAKER, n.w. Univ. Calif. Press, Berkeley. Appendilt 3. Synoptic keys to ',roups and scnera.

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