Diptera.info :: Identification queries :: Diptera (adults)
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 Tachinidae - Dinera ferina (Bel) --> Billaea triangulifera female
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| Christine Devillers |
Posted on 15-02-2021 19:36
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 Member Location: Spa, Belgium Posts: 1215 Joined: 11.11.07 |
Hi, Another new species for me. Is it a female of Dinera ferina ? Spa, Belgium, 2020-09-04. Thanks Christine Christine Devillers attached the following image:  [245.8Kb] Edited by Christine Devillers on 18-02-2021 11:29 |
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| Christine Devillers |
Posted on 15-02-2021 19:37
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Member Location: Spa, Belgium Posts: 1215 Joined: 11.11.07 |
Pic 2
Christine Devillers attached the following image:  [264.23Kb] |
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| Christine Devillers |
Posted on 15-02-2021 19:37
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Member Location: Spa, Belgium Posts: 1215 Joined: 11.11.07 |
Pic 3
Christine Devillers attached the following image:  [241.01Kb] |
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| Christine Devillers |
Posted on 15-02-2021 19:38
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Member Location: Spa, Belgium Posts: 1215 Joined: 11.11.07 |
Pic 4
Christine Devillers attached the following image:  [269.91Kb] |
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| eklans |
Posted on 16-02-2021 08:24
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Member Location: Franconia, Germany Posts: 3704 Joined: 11.11.18 |
Hi Christine, yes - a female Dinera ferina. (4 dc postsutural - no discals on tergite 3, 4 - syntergite despressed to it's posterior margin). Greetings, Eric Edited by eklans on 16-02-2021 08:29 |
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| sd |
Posted on 16-02-2021 12:19
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Member Location: Suffolk, UK Posts: 892 Joined: 11.10.07 |
For me, the shortish tarsi and head shape suggest Billaea, maybe triangulifera from the abdominal pattern. Regards, Steve |
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| eklans |
Posted on 16-02-2021 12:57
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Member Location: Franconia, Germany Posts: 3704 Joined: 11.11.18 |
Hi Steve, thank you very much! You are right - was to early for me or I need new glasses! Dinera females's tarsi are not so extreme as the male's but it's Billaea triangulifera! Greetings, Eric |
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| Christine Devillers |
Posted on 17-02-2021 12:15
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Member Location: Spa, Belgium Posts: 1215 Joined: 11.11.07 |
Thanks Eric and Steve, I tried to find a picture where the comb on the tibia 3 could be seen. Is it what we see on this one ? Christine Christine Devillers attached the following image:  [268.23Kb] |
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| eklans |
Posted on 17-02-2021 17:04
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Member Location: Franconia, Germany Posts: 3704 Joined: 11.11.18 |
Hi Christine, this seems to be the comb on tibia 3 as mentioned in the key (the female's comb is more irregular with bristles between). Greetings, Eric |
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| Zeegers |
Posted on 18-02-2021 08:24
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Member Location: Soest, NL Posts: 18822 Joined: 21.07.04 |
The abdominal,pattern in last picture clearly shows triangulifera. Abdominal pattern is best seen obliquely from behind. As mentioned by Eric, the comb on hind tibia is hardy regular in female triiangulifera. Theo |
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| Christine Devillers |
Posted on 18-02-2021 11:33
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Member Location: Spa, Belgium Posts: 1215 Joined: 11.11.07 |
Thanks a lot for all these precisions. Christine |
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| Zeegers |
Posted on 18-02-2021 13:07
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Member Location: Soest, NL Posts: 18822 Joined: 21.07.04 |
Pretty rare species ! Hoss are Cerambycidae. Theo |
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