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Diptera.info :: Identification queries :: Diptera (adults)
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Ulidiinae may be Acrosticta
Bernard Perthuis
#1 Print Post
Posted on 14-01-2025 20:53
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Location: French Guiana
Posts: 105
Joined: 28.04.18

Hello,
This one is from French Guiana
Is a confirmation for Acrosticta apicalis (Ulidiinae, Lipsanini tribe) seems possible here ?
Size is 4 mm long (small).
Bernard Perthuis attached the following image:


[57.56Kb]
Edited by Bernard Perthuis on 15-01-2025 06:58
 
Bernard Perthuis
#2 Print Post
Posted on 14-01-2025 20:54
Member

Location: French Guiana
Posts: 105
Joined: 28.04.18

h
Bernard Perthuis attached the following image:


[72.41Kb]
 
Nosferatumyia
#3 Print Post
Posted on 16-01-2025 22:50
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An Acrosticta, indeed. The problem is that the widespread and commonest A. apicalis (which has yellow fore femur), must have black fore basitarsus (here it looks to be yellow). I know it is difficult, but please a) check the fore basitarsus and b ) dry it slightly(not more than 10 min) from alcohol and take a picture of its frons sculpture. It can be a clue.
Edited by Nosferatumyia on 16-01-2025 22:51
Val
 
Bernard Perthuis
#4 Print Post
Posted on 19-01-2025 12:07
Member

Location: French Guiana
Posts: 105
Joined: 28.04.18

Thank you for your help. And really the commentary about the basitarsis is to take into account. Unfortunately, the specimen has vanished ! I have some pictures live of probably the same species.
 
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Thread Forum Replies Last Post
Ulididae from Italy: may be Acrosticta sp.? Diptera (adults) 4 22-05-2013 11:11
Euxesta/Acrosticta sp. Diptera (adults) 7 23-07-2011 18:52
Date and time
10 September 2025 18:33
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