Diptera.info :: Identification queries :: Diptera (eggs, larvae, pupae)
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 pupae 8 mm under bark
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| cebe |
Posted on 19-02-2011 17:46
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Member Location: Posts: 97 Joined: 16.05.06 |
Found those pupae under wet bark in Brussels. Diptera? http://bru.observ...w/52379534    thanks, Bart Edited by cebe on 19-02-2011 17:50 |
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| atylotus |
Posted on 20-02-2011 12:58
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 Member Location: Amsterdam, NL Posts: 1162 Joined: 29.05.09 |
Xylomyidae, and most likely Solva marginata. The larva looks a bit like a Stratiomyidae, but has a different cuticular pattern, a differently shaped analsegment, rows of tooth like tubercles at the anterior part of some abdominal segments, but most obviously a shiny bright yellow pro- and mesothorax. Another typical feature (not seen on the photo) is the toothed anus. I guess this must be S.marginata, for the other species of Xylomyidae (Solva and Xylomya) do not occur in Belgium (www.faunaeur.org), but you have to ask that a specialist on this matter. See also the breeding effort of a Czech specimen by Miroslav (http://www.dipter...d_id=34921).
Edited by atylotus on 20-02-2011 13:05 |
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| cebe |
Posted on 21-02-2011 13:24
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Member Location: Posts: 97 Joined: 16.05.06 |
thanks, had those adults before... An interesting English abstract in http://www.naturvardsverket.se/Documents/publikationer/620-5759-6.pdf suggests a link with the Dutch Elm-Didease who creates this kind of habitats we also have here... Bart Edited by cebe on 21-02-2011 13:26 |
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