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 Dynatosoma
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| nigelwillits |
Posted on 10-03-2018 18:33
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Member Location: Posts: 6 Joined: 13.02.18 |
I keyed this specimen from Britain to Dynatosoma with Soli et al 2000, but I have no key to species. Is it possible to tell which one please? |
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| nigelwillits |
Posted on 10-03-2018 18:35
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Member Location: Posts: 6 Joined: 13.02.18 |
File was too big - here is a smaller one hopefully! |
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| nigelwillits |
Posted on 10-03-2018 18:38
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Member Location: Posts: 6 Joined: 13.02.18 |
Here is closer shot of genitalia. |
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| Jan |
Posted on 10-03-2018 20:47
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Member Location: Posts: 154 Joined: 11.02.08 |
fuscicorne, male |
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| nigelwillits |
Posted on 10-03-2018 21:12
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Member Location: Posts: 6 Joined: 13.02.18 |
Thanks Jan. What features distinguish it from the other 4 British species please? |
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| Jan |
Posted on 11-03-2018 19:03
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Member Location: Posts: 154 Joined: 11.02.08 |
As in other mycetophilids, most important characters are on the male genitalia. Some other characters may sometimes help too, such as colour of thorax and legs, but specialists usually rely only on genitalic characters. In fuscicorne, a single narrow apical projection of gonostylus is specific, see e.g. photo here: http://www.spessart-fliegen.de/diptera/mycetophilidae/dynatosoma/dynatosoma_fuscicorne/hpgs.html |
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but don't see the image in the post.
