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Diptera.info :: Family forums :: Syrphidae
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Female Parhelophilus ?
Axel D
#1 Print Post
Posted on 13-06-2022 14:13
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Location: France
Posts: 209
Joined: 16.10.15

Hello

I found yesterday this hoverfly around a pond in a deciduous forest. I think it is a Parhelophilus, but I'm not sure for the species. It is a female, and with the ID keys I use, I hesitate between two species P. versicolor and P. frutetorum.

According to Speight & Sarthou, 2015 :
7 Occiput, behind eyes, entirely yellow-haired (a few short, black spinules may be visible dorso-laterally)
.............................................................................................................................. versicolor
--- occiput, behind eyes, with an anterior row of strong black hairs, as well as the more abundant yellow hairs
............................................................................................................. 8 [incluing frutetorum]


In fact, I can see some black spinules behind eyes (at least 3 spinules on each side I'd say) but I'm not sure that there are enough spinules to make it a female P. frutetorum. I think there may be some broken spinules. What is your opinion about it ?

Found in Forêt de Bondy, Clichy-sous-Bois, Seine-Saint-Denis, Île-de-France, France
On the 12th of June 2022
Body length : 11 mm
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Axel D
#2 Print Post
Posted on 13-06-2022 14:13
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Location: France
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Axel D
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Posted on 13-06-2022 14:14
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