Diptera.info :: Identification queries :: Diptera (adults)
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 Two Chrysops
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| Nikita Vikhrev |
Posted on 12-07-2006 14:53
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 Member Location: Moscow, Russia Posts: 9282 Joined: 24.05.05 |
Moscow region, 12 july, around 10mm. Regarding Tabanidae as my natural enemies, I collect it without pity. Nice group. By the way, this year with unusualy hot weather in Moscow, there are no cows in the fields, only early morning. Between 9-10 cows run home and refused to go out because of violent Tabanidae attacks. First Chrysops. Nikita Vikhrev attached the following image:  [54.36Kb] Nikita Vikhrev - Zool Museum of Moscow University |
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| Nikita Vikhrev |
Posted on 12-07-2006 15:00
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Member Location: Moscow, Russia Posts: 9282 Joined: 24.05.05 |
Both Chrysops has light window on d cell, but I think that both have to regard as "all d dark". In this case 1-st Ch. pictus 2-nd Ch. relictus? Am I right, please? Nikita Vikhrev attached the following image:  [56.29Kb] Nikita Vikhrev - Zool Museum of Moscow University |
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| Tony Irwin |
Posted on 13-07-2006 00:20
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 Member Location: Norwich, England Posts: 7214 Joined: 19.11.04 |
Hi Nikita Yes, I think you are right with your identifications, but the correct name for C. pictus is C. viduatus. In C. relictus the dark mark in the middle of the second tergite is variable in shape, and can be larger and more "V-shaped" than your specimen. Tony ---------- Tony Irwin |
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| Nikita Vikhrev |
Posted on 13-07-2006 08:07
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Member Location: Moscow, Russia Posts: 9282 Joined: 24.05.05 |
Thank you Tony. So, in Moscow region now 3 species is common: Ch. caecutiens Ch. relictus (all with very "modest spot on T2) Ch. viduatus (with obviosly longer proboscis than other species) Nikita Vikhrev - Zool Museum of Moscow University |
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| Nikita Vikhrev |
Posted on 13-07-2006 08:07
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Member Location: Moscow, Russia Posts: 9282 Joined: 24.05.05 |
Thank you Tony. So, in Moscow region now 3 species is common: Ch. caecutiens Ch. relictus (all with very "modest spot on T2) Ch. viduatus (with obviosly longer proboscis than other species) Nikita Nikita Vikhrev - Zool Museum of Moscow University |
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