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 Robber Fly Behaviour
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| Mike Jackson |
Posted on 10-09-2009 18:24
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Member Location: Posts: 1 Joined: 09.09.09 |
I took the following pictures last Saturday. I've been told that the fly is a female Tolmerus atricapillus. I assumed that she was laying eggs but I've been told that this is unlikely as they normally lay eggs in rotting wood etc. If she isn't laying eggs what is she doing?   Thanks Mike |
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| Dysmachus |
Posted on 30-12-2009 12:13
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 Member Location: Germany Posts: 321 Joined: 15.03.06 |
This behaviour is typical for most of the Asilinae in the Northern Hemisphere. They lay their eggs into flowers, on or in vegetation. After few days, the primary larvae crawl into the soil. Spieces of some few subfamilies (like the Laphriinae) lay their eggs on wood (not rotting), because their larvae are parasites of beetle larvae in wood (longhorn and jewel beetles). Their is an overview on http://www.geller...nera11.htm. Yours - Dysmachus |
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| nielsyese |
Posted on 30-12-2009 18:17
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 Member Location: Yerseke, NL Posts: 2356 Joined: 13.02.09 |
Beautiful pictures! |
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