Nomenclatural Changes of Some Phytoseiid Mites (Acarina: Phytoseiidae)Author(s): H. A. DenmarkSource: The Florida Entomologist, Vol. 60, No. 3 (Sep., 1977), pp. 171-172Published by: Florida Entomological SocietyStable URL: http://www.jstor.org/stable/3493898 .

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171 The Florida Entomologist Vol. 60, No. 3, 1977

NOMENCLATURAL CHANGES OF SOME PHYTOSEIID MITES

(ACARINA: PHYTOSEIIDAE)'

H. A. DENMARK Division of Plant Industry, Florida Department of

Agriculture and Consumer Services, Gainesville 32602.

ABSTRACT Amblyseius usitatus Denmark and Muma, a primary homonym of Am-

blyseius van der Merwe, is hereby renamed Amblyseius pravus Denmark. Typhlodromus helveolus Chant is hereby designated as the type species for the genus Galendromus Muma rather than Typhlodromus floridanus Muma due to page priority.

Amblyseius usitatus van der Merwe (1965:71) from Potchefstroom, Transvaal, South Africa and Amblyseius usitatus Denmark and Muma (1973:245) from Rio Claro, Sao Paulo, Brazil are primary homonyms. Amblyseius usitatus Denmark and Muma is hereby renamed Amblyseius pravus Denmark, new name. Van der Merwe's species Amblyseius usitatus is hereby placed in the genus Neoseiulus Muma (new combination), since it has all of the salient features of that genus.

Amblyseiopsis floridanus Muma (1955:264) and Typhlodromus flori- danus Muma (1955:269) became secondary homonyms when Chant (1959:58, 85) placed both species in the genus Typhlodromus Scheuten. He renamed Typhlodromus floridanus Muma (1955:269) as Typhlodromus helveolus Chant because of the page priority of Typhlodromus (= Amblyseiopsis) floridanus (Muma) (1955:264). Muma (1961:298) revived the name T. flori- danus Muma (1955:269) and designated it as the type species of his new genus Galendromus. According to Article 59c of the International Com- mission of Zoological Nomenclature (1974), Muma was in error in using Typhlodromus floridanus Muma (1955:269) as the type species of Galendro- mus, since Chant rejected the name before 1960. Typhlodromus helveolus Chant is here designated as the type species of the genus Galendromus Muma. Muma and Denmark (1968:232) designated Amblyseiopsis floridanus Muma as the type species of the genus Chelaseius Muma and Denmark. Thus, neither of the species with the name floridanus, as described by Muma in 1955, is now in its original genus. One (originally in Amblyseiopsis p. 264) is now the type species of the genus Chelaseius and the other (originally in Typhlodromus, p. 269) has had the specific name changed to helveolus and is the type species of the genus Galendromus.

LITERATURE CITED

CHANT, D. A. 1959. Phytoseiid mites (Acarina: Phytoseiidae). Part I. Bio- nomics of seven species in southeastern England. Part II. A taxo- nomic review of the family Phytoseiidae, with descriptions of 38 new species. Can. Ent. 91, Suppl. 12:1-166.

1. Contribution No. 392, Bureau of Entomology.

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172 The Florida Entomologist Vol. 60, No. 3, 1977

DENMARK, H. A., AND M. H. MUMA. 1973. Phytoseiid mites of Brazil (Aca- rina: Phytoseiidae). Rev. Brasil. Biol. 33(2):235-276.

VAN DER MERWE, G. G. 1968. A taxonomic study of the family Phytoseiidae (Acari) in South Africa with contributions to the biology of two species. Repub. S. Africa, Dep. Agr. Tech. Serv. Ent. Memoirs 18:1-198.

MUMA, M. H. 1955. Phytoseiidae (Acarina) associated with citrus in Florida. Ann.Ent. Soc. America 48:262-72.

MUMA, M. H. 1961. Subfamilies, genera and species of Phytoseiidae (Acarina: Mesostigmata). Bull. Fla. Ent. Suppl. 1:15-41.

MUMA, M. H., AND H. A. DENMARK. 1968. Some generic descriptions and name changes in the family Phytoseiidae (Acarina: Mesostigmata). Fla. Ent. 51:229-240.

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