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Fly on tree gum --> Ferdinandea cuprea
FrankH	#1 Posted on 23-04-2018 19:31
Member Location: Posts: 325 Joined: 31.01.11	Hello, I photographed this fly in Northern Germany at the beginning of June. She sat on tree gum. Is it possible to identify the genus or even the species? Thanks and best wishes, Frank FrankH attached the following image: [129.18Kb] Edited by FrankH on 24-04-2018 11:23


Juergen Peters	#2 Posted on 23-04-2018 19:54
Member Location: northwest Germany Posts: 13617 Joined: 11.09.04	Hello Frank, the genus is Ferdinandea (Syrphidae). Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=


piros	#3 Posted on 23-04-2018 20:59
Member Location: Szeged, Hungary Posts: 1763 Joined: 04.01.12	I think this should be Ferdinandea cuprea. Greetings, Henrik


FrankH	#4 Posted on 24-04-2018 11:24
Member Location: Posts: 325 Joined: 31.01.11	Thank you very much Jürgen and Henrik! Greetings, Frank


Ectemnius	#5 Posted on 24-04-2018 12:44
Member Location: The Netherlands Posts: 845 Joined: 22.11.11	Hello FrankH, Yes, a more common Syrphidae found on tree wounds and an excellent photo. What is far more rare and exciting is the small black fly in the background. The eye has a eye fascia which is coloured and the face has a light horizontal stripe: Aulacigastridae! Do you have a photo of that specimen? What I know of these flies is that they frequent sap runs on deciduous trees. Is this a confirous tree with resin or truly a Eucalyptus like tree with gum? Do you perchance know the species of tree? Kind regards, Ectemnius Edited by Ectemnius on 24-04-2018 13:01


FrankH	#6 Posted on 24-04-2018 13:26
Member Location: Posts: 325 Joined: 31.01.11	Hello Ectemnius, thank you for your message! Unfortunately I did not take pictures of the little fly in the background. But at the same tree wound I was able to take pictures of hornets (Vespa crabro) and stag beetles (Lucanus cervus), which eats the juice also. The tree juice comes from an oak (Quercus robur). Kind regards, Frank


Ectemnius	#7 Posted on 24-04-2018 14:23
Member Location: The Netherlands Posts: 845 Joined: 22.11.11	Ah, that's a shame., but Aulacigaster (the three European species that is) are known from deciduous trees like Oak.