Diptera.info :: Identification queries :: Diptera (adults)
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 aduld apterous ?
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| bobgaia |
Posted on 10-03-2006 23:53
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 Member Location: Charente maritime Posts: 27 Joined: 12.11.04 |
Hello, Yesterday I found this fly on a poplar. The trees were in water because of the floods and of much of insects took refuge in the bark. I thought of a bad development of the wings by seeing the 1st specimen, I didn't capture him, but by finding the second I said myself that it was perhaps apterous. Coincidence ? Hipposboscidae, Nycteribiidae, Streblidae ??? I do not know an other family with individuals without wings. bad development of the wings ? apterous ? 4 mm Tonnay-Boutonne (17) 09-III-06 Thanks 
bobgaia attached the following image:  [26.04Kb] Edited by bobgaia on 09-11-2023 18:02 |
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| Nikita Vikhrev |
Posted on 11-03-2006 00:13
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 Member Location: Moscow, Russia Posts: 9331 Joined: 24.05.05 |
Bonsour Bob. It is Sphaeroceridae. According my key (old and bad as it seems that in Russia nobody investigated specialy this family) in Sphaeroceridae apteric fly is in genuses Leptocera and Copromyza. For me, your fly looks like Leptocera. I'm sure that Paul will give you right genus and species. Nikita Nikita Vikhrev - Zool Museum of Moscow University |
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| bobgaia |
Posted on 19-03-2006 09:17
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Member Location: Charente maritime Posts: 27 Joined: 12.11.04 |
Thank you Nikita, Female/male are apterous in this genus ? Edited by bobgaia on 19-03-2006 09:20 |
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| Nikita Vikhrev |
Posted on 19-03-2006 11:53
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Member Location: Moscow, Russia Posts: 9331 Joined: 24.05.05 |
Hi Bob, 1. It seems that when you send your question Paul was occupied and somehow overlook your question. I hope that this time Paul will answer you. 2. I add my own question to Paul. I didn't find any key for Palearctic (or European, or for some European country) Sphaeroceridae. Does it exist? Can I find any key (keys) if I order World Sphaeroceridae by Roh?cek? It seems that nobody deal with this family in Russia. Nikita Nikita Vikhrev - Zool Museum of Moscow University |
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| Paul Beuk |
Posted on 19-03-2006 14:07
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 Super Administrator Location: Netherlands Posts: 19363 Joined: 11.05.04 |
1. I will address it later. 2a. Males (the image is of a male) and female can both be apterous. 2b. Pitkin, B.R., 1988. Lesser dung flies. Diptera: Sphaeroceridae. - Handbooks for the Identification of British Insects 10(5e): 1-175. That is the only accessible key I know to species level for Europe. Paul - - - - Paul Beuk on https://diptera.info |
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| bobgaia |
Posted on 14-04-2006 22:45
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Member Location: Charente maritime Posts: 27 Joined: 12.11.04 |
Thanks Paul, It's really a charming fly. Parasite of other insects ? Regards |
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| Dmitry Gavryushin |
Posted on 29-04-2006 23:48
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 Member Location: Moscow region, Russia Posts: 3308 Joined: 17.10.05 |
Hello everybody, I guess this might be of the same kind. April 11,2006, Naro-Fominsk, Moscow region, Russia. This fly can be found quite regularly in various humid habitats (on moss, among rottnig leaves/plant litter/dry grass) at my location. It's a pity I didn't manage to shoot a live specimen (too quick for me). Dmitry Gavryushin attached the following image:  [96.95Kb] |
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| Louis Boumans |
Posted on 30-04-2006 00:20
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Member Location: NO Oslo Posts: 262 Joined: 09.06.04 |
Hello Bob, Nikita, Paul, I once collected a sphaerocerid in the Netherlands that looks very much like these, which I identified as Crumomyia pedestris, with Pitkin's key. It is relatively large for this family. Pitkin writes it occurs in grass, litter etc. (i found mine in grass tussocks), many localities in GB, and macropterous males have been found in Hungary. I've never heard of parasitic Sphaeroceridae. Members of this family live of all kinds of decaying organic substances (dung, litter, corpses). Louis |
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| bobgaia |
Posted on 25-05-2006 00:16
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Member Location: Charente maritime Posts: 27 Joined: 12.11.04 |
Thank you for all informations. Regards |
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| Dmitry Gavryushin |
Posted on 26-07-2006 10:58
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Member Location: Moscow region, Russia Posts: 3308 Joined: 17.10.05 |
Dr. Rohacek has kindly confirmed that at least the fly in my picture was a Crumomyia pedestris (Meigen, 1830) female, f. brach. He also writes, "This interestingly looking species lives in swampy habitats and its larvae usually develop in dead snail tissues. Rarely, also macropterous form can be found". |
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| bobgaia |
Posted on 06-12-2023 14:33
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Member Location: Charente maritime Posts: 27 Joined: 12.11.04 |
Hello, for my specimen Dr. Rohacek You are right, its a brachypterous male of Crum. pedestris. Brachypterous specimens are much more frequent than macropterous, for more detail see
https://www.aemnp.eu/data/article-1389/1370-52_2_535.pdf Edited by bobgaia on 06-12-2023 14:35 |
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