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Diptera.info :: Identification queries :: Diptera (adults)
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Ephydridae ? Spider egg sac parasitoid
Biothorns
#1 Print Post
Posted on 28-07-2025 19:50
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 The larvae of this small flies (2,3) developed within spider egg sacs (Singa hamata). DEggendorf, Bavaria, Germany. ID possible?
Biothorns attached the following image:


[244.17Kb]
 
John Carr
#2 Print Post
Posted on 28-07-2025 20:46
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 The wing looks like Chloropidae. Seven genera are recorded as arachnid egg predators.

See:

Gillung, Jessica P. and Christopher J. Borkent. 2017. Death comes on two wings: a review of dipteran natural enemies of arachnids. The Journal of Arachnology 45(1):1-19. https://www.ameri.../volume/5/
 
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Tony Irwin
23.06.25 18:10
If you have some spare money, there is a copy (together with keys to pupae and larvae) for sale by Hermann L. Strack, Loguivy Plougras, France

smol
23.06.25 11:18
Appreciate it, Tony Irwin! I got the hint to use the key next to Langton and Pinder key for females of Chironomidae. So no specific queries, except the keys... I will keep this on my list and hope th

Tony Irwin
19.06.25 15:33
I have the hard copy book, if you have any specific queries, but I'm not scanning the 500+ pages!

smol
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Anyone has "Chironomidae of the Holarctic region. Keys and diagnoses. Part 3. Adult Males Entomologica Scandinavica Supplement 34"? smolwaarneming@gma
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Nikita Vikhrev
28.05.25 20:57
I have Russian Coenosia. nikita6510@ya.ru

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28.05.25 12:25
Is someone able to share with me "A key to the Russian species of the genus Coenosia"?

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I have

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Does someone has a scan of Nartshuk E.P. 2003. Key to families of Diptera (Insecta) of the fauna of Russian and adjacent countries. Proceedings of the Zoological Institute Vol. 294: 1-252 for me?

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