Diptera.info :: Identification queries :: Diptera (adults)
 Tachinidae
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| ArnovanStipdonk |
Posted on 30-06-2010 17:08
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 Member Location: Weert - The Netherlands Posts: 192 Joined: 23.05.08 |
Hello, Yesterday evening I saw about 5 pieces of this Tachinidae which was laying eggs on caterpillars of Thaumetopoea processionea. Unfortunately it was getting dark so the picture is of poor quality. I had not much time because there were about a million of these caterpillars with their stinging hairs. Regards, Arno ArnovanStipdonk attached the following image:  [180.62Kb] Edited by ArnovanStipdonk on 30-06-2010 18:30 |
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| ChrisR |
Posted on 30-06-2010 18:11
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 Super Administrator Location: Reading, England Posts: 7706 Joined: 12.07.04 |
Great photos - I have no idea but I am sure Theo will be able to contribute  Do you have any more photos showing the egg-laying behaviour?
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
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| ArnovanStipdonk |
Posted on 30-06-2010 18:33
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Member Location: Weert - The Netherlands Posts: 192 Joined: 23.05.08 |
Hello Chris, I don't have any pictures showing the egg-laying behaviour. The caterpillar was shaking his body and seemed to attack the Tachinidae-fly. I'll wait for Theo. |
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| Zeegers |
Posted on 30-06-2010 19:46
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Member Location: Soest, NL Posts: 19299 Joined: 21.07.04 |
Hi Arno It clearly looks like a Phorocera. Two common species, but no longer active end of June. And one pretty rare species, reared from Thaumetopoea: Ph. grandis. Never found outside the dune area (yes, I know, no Thaumetopoea there, it is also present in this other nasty thing Euproctis). But I can't be 100 % sure. Did you collect any ?? Would be very interesting record . (now I notice: 3 post DC. It really must be Phorocera) Theo |
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| ArnovanStipdonk |
Posted on 30-06-2010 20:10
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Member Location: Weert - The Netherlands Posts: 192 Joined: 23.05.08 |
Hi Theo, I didn't collect any, tomorrow I will go back and try to catch one. I will let you know. Thanks so far. Arno Edited by ArnovanStipdonk on 30-06-2010 20:11 |
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| Zeegers |
Posted on 30-06-2010 20:42
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Member Location: Soest, NL Posts: 19299 Joined: 21.07.04 |
Thanks and be careful with those Thaumetopoea bastards Theo |
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| ArnovanStipdonk |
Posted on 12-07-2010 18:31
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Member Location: Weert - The Netherlands Posts: 192 Joined: 23.05.08 |
I went back with Frans Smit, we caught one female and I sent it to Theo. Yesterday Theo Zeegers sent me the news that this fly is Phorocera grandis indeed. Many thanks to Frans for helping me catching this fly between al those Thaumetopoea bastards what was not easy. And also many thanks to Theo for the determination of this species. Greetings, Arno Edited by ArnovanStipdonk on 12-07-2010 19:30 |
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