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 Calliphora vomitoria
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| Juergen Peters |
Posted on 25-08-2007 22:21
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 Member Location: northwest Germany Posts: 13957 Joined: 11.09.04 |
Hello! I have the impression that Calliphora vomitoria is more numerous in relation to the ubiquitous C. vicina here in Ostwestfalen/Germany this year. I find her rather often on umbelliferous flowers in the forest recently, attracting my attention from a distance because of being considerably bigger and appearing darker. Is it possible that this species is more restricted to woodland than C. vicina, which I find almost everywhere? Addtional pics: http://www.foto-u...ria_W3.jpg http://www.foto-u...ria_W4.jpg And two postings (in German) with more pictures: http://insektenfo...eadid=9964 http://insektenfo...eadid=9279 Juergen Peters attached the following image:  [36.04Kb] Edited by Juergen Peters on 25-08-2007 22:21 Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| Juergen Peters |
Posted on 25-08-2007 22:21
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Member Location: northwest Germany Posts: 13957 Joined: 11.09.04 |
Another one.
Juergen Peters attached the following image:  [42.2Kb] Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| Susan R Walter |
Posted on 26-08-2007 13:38
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 Member Location: Touraine du Sud, central France Posts: 1802 Joined: 14.01.06 |
According to the draft key by Falk that Chris forwarded to me recently, C vomitoria is not so strongly inclined to live in close association with man as C vicina. It becomes the dominant species in upland areas in the north especially in moorland sheep raising areas, and is more of a woodland species in the south of the UK, suggesting that it prefers cooler environments. It also prefers larger carcasses, presumably because its larvae develop more slowly than C vicina. See also Species composition and larval habitats of blowfly (Calliphoridae) populations in upland areas of England and Wales by l Davies in Medical and Veterinary Entomology (1990) 4, 61-88 (many thanks to John Bratton for sending me this article). Juergen this is quite a useful series of photos. Could you upload the second of your links (the one looking straight at the face) to the gallery please? Edited by Susan R Walter on 26-08-2007 13:42 Susan |
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| Juergen Peters |
Posted on 26-08-2007 17:11
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Member Location: northwest Germany Posts: 13957 Joined: 11.09.04 |
Hello, Susan! Many thanks for your explanations! They match my observations. Juergen this is quite a useful series of photos. Could you upload the second of your links (the one looking straight at the face) to the gallery please? I will try it later. I have never before uploaded a pic to the gallery. Previously my photos were too bad with my old camera, now I have so many pictures of flies that I couldn't decide yet, which of them to upload  (of species not there already). I must admit that the first photo I had considered to upload was one of a male Calliphora vomitoria:http://www.dipter...ad_id=4957 My first halfway good picture of that species... Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| Susan R Walter |
Posted on 27-08-2007 08:31
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Member Location: Touraine du Sud, central France Posts: 1802 Joined: 14.01.06 |
Juergen Yes - do upload that one as well - it shows quite well the enfuscation of the squamae, with the lower one very dark with a very narrow very white edge. Vicina has a broad white edge, so this feature can be useful when you don't have such a good view of the face. (Beware loewi and uralensis if in this situation of course.) Susan |
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| Juergen Peters |
Posted on 27-08-2007 17:38
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Member Location: northwest Germany Posts: 13957 Joined: 11.09.04 |
Hello, Susan! Susan R Walter wrote: Yes - do upload that one as well - it shows quite well the enfuscation of the squamae, with the lower one very dark with a very narrow very white edge. Vicina has a broad white edge, so this feature can be useful when you don't have such a good view of the face. (Beware loewi and uralensis if in this situation of course.) I will search my photos for some other halfway succeeded pics of diptera, which are not in the gallery yet, and upload them together in the next days. Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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