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Macrocera (Keroplatidae)
Bas	#1 Posted on 05-02-2018 10:49
Member Location: Posts: 12 Joined: 15.08.17	Is it possible to identify this female Orfelia. I thought it might me O. discoloria, but I'd prefer to check the male genetalia. I found it on the 23th of September 2017 in a forest near Ede, the Netherlands. Thank you! Edited by Bas on 11-02-2018 21:46


Paul Beuk	#2 Posted on 05-02-2018 12:11
Super Administrator Location: Netherlands Posts: 19229 Joined: 11.05.04	Based on wing length I suspect it is Macrocera... Paul - - - - Paul Beuk on https://diptera.info


Bas	#3 Posted on 05-02-2018 21:43
Member Location: Posts: 12 Joined: 15.08.17	Thank you Paul! I don't have a key for Macrocera species. Which details should I photograph to come to a species?


Paul Beuk	#4 Posted on 05-02-2018 22:58
Super Administrator Location: Netherlands Posts: 19229 Joined: 11.05.04	Check this publication: https://www.royensoc.co.uk/sites/default/files/Vol09_Part03.pdf Paul - - - - Paul Beuk on https://diptera.info


Bas	#5 Posted on 06-02-2018 13:50
Member Location: Posts: 12 Joined: 15.08.17	I made a clearer photo of the wing: I'd say that macrotrichia are present (especially on the veins, not really clear in the photo), no distinct marking on the wing and R1 without blackish mark just before tip, so I'd think it's M. stigmoides. Agreed?


Paul Beuk	#6 Posted on 06-02-2018 14:35
Super Administrator Location: Netherlands Posts: 19229 Joined: 11.05.04	Pssibly, but of course I cannot judge the trichia on the wing. I should say that the antennae seem a tad short for stigmoides but that could be a result of orientation or damage. Paul - - - - Paul Beuk on https://diptera.info


Jan	#7 Posted on 08-02-2018 20:50
Member Location: Posts: 154 Joined: 11.02.08	I dont see any macrotrichia on wing membrane in your photo. They should look like here: http://www.spessart-fliegen.de/diptera/keroplatidae/macrocera/macrocera_stigmoides/wing.html


Bas	#8 Posted on 11-02-2018 15:05
Member Location: Posts: 12 Joined: 15.08.17	Thank you Jan! I thought the macrotrichia could be present on the veins as well. I went trough the key again and based on the three stripes on the mesonotum and the black bristles, I'd call it M. vittata.