stop invasive forest ants – presentation... · microsoft powerpoint - survey presentation2...
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![Page 1: Stop Invasive forest ants – presentation... · Microsoft PowerPoint - survey presentation2 Author: Cas Created Date: 11/19/2010 5:07:14 AM](https://reader034.vdocuments.us/reader034/viewer/2022042804/5f52b24591989c59622492ef/html5/thumbnails/1.jpg)
Stop Invasive forest ants – www.littlefireants.com
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Pacific Ant Project
Survey Training moduleSession 2: survey training
Cas VanderwoudePacific Cooperative Studies UnitUniversity of Hawaii
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Invasive ant surveys –Why?
� Which ant species do we have already� Which islands have which species� Early detection systems –
�Rapid response
�Eradication more feasible
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Examples � Maui (Hawaii) – ½ hectare Little Fire Ant
� Detected very early� $20,000 spent - eradicated
� Port Vila, Vanuatu – 2 sites Little Fire Ant� Detected very early� ?$100,000 spent – probably eradicated
� Napier NZ – 2 sites Red Imported Fire Ant� Detected very early� Millions spent - eradicated
� Big Island (Hawaii) – maybe 25 sites Little Fire Ant� Detected early� Millions spent – not eradicated
� Tahiti French Polynesia – 20 hectares Little Fire Ant� Detected fairly early� Millions spent – not eradicated
� Cairns Aust – 30 hectares Little Fire Ant� Detected late� >8 Million spent – not eradicated
� Brisbane Aust – 25,000 hectares Red Imported Fire Ant� Detected VERY late� >$200 million spent – not eradicated.
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Where to survey?
� Sun-loving species� Points of entry (POI)
� Sea ports� Airports� Container sites
� Forest species� Secondary risk sites
� Forest habitats with human activity� Nurseries� Farms
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How to survey?
� Visual searching� Pitfall trapping� Bait/lure survey
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Bait surveys
� Systematic� Good for targeting particular species� Quick and easy
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Survey basics
� Place vials baited with attractive food and retrieve them after ants have had time to find it
� Position the vials in good “fishing” spots
� Document exact location of each vial
� Entomologist can then ID the ants in the lab
� If any new species found, entomologist can give you the location where found
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Bait vials� 2 types
�Sweet (jelly, palm syrup, Karo)
�Oil/protein (peanut butter, spam or hotdog)
� Place alternately� Around 8 metres apart� Retrieve after 30-60 minutes
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Place in good locations
� Like going fishing, its best to put the bait near the thing you want to catch!
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How to record locations of each vial
� In the “olden” days…
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Write information on vial
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Now…
� Google Earth� GPS� 1 form for the entire day’s work
� Easy peezy, lemon squeezy
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Google Earth
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GPSTake waypoint at every vial placement
Record waypoint on vial
Done!
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Survey form
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Stop Invasive forest ants – www.littlefireants.com