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View Thread :: Identification queries :: Diptera (adults)
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Agromyzidae-Phytobia- (Phytobia mallochi)
#1 Print Post
Posted on 30-11-2021 12:24

Posts: 14
Joined: 06.03.21

Hello to all. Here is what I think is an Agromyzidae. Size about 3mm, found on Quercus ilex in the south east of France. Can we go to the species with these pictures? Thanks for your help
jokari attached the following image:

Edited by jokari on 16-12-2021 18:41
von Tschirnhaus
#2 Print Post
Posted on 16-12-2021 14:32

Location: Bielefeld, Germany
Posts: 287
Joined: 04.11.07

Agromyzidae, female; end of subcosta similar but not identical with Agromyzinae: end of vein R1 is not thickened. Some Phytobia Lioy, 1864 spp. (subfamily Phytomyzinae) have a similar subcosta. Stridulation file of Agromyza spp. along side edge of syntergites 1+2 is not to be seen in the photo. It seems to be absent. In this case it is a Phytobia species. Two posterolateral setae on the mid tibia, a pair of distinct prescutellar bristles and robust body bristles also speak for Phytobia. Phytobia flies are rarely caught as predominantly they live in the canopy of trees. Worldwide larvae of all Phytobia species (117 valid spp.) of which the host tree is known develop in the youngest xylem (close to the cambium) of shrubs and trees. Their brown feeding tracks (pith flecks, medullary spots) are figured in the Manual of Afrotropical Diptera (2021), vol. 3: p. 86. From oak (Quercus) timber only the European Phytobia mallochi (Hendel, 1924) is known, a rarely collected species first reared by Michel Martinez (France).
#3 Print Post
Posted on 16-12-2021 18:40

Posts: 14
Joined: 06.03.21

Thank you for your detailed explanation!
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Date and time
16 January 2022 20:14


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