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Diptera.info :: Identification queries :: Diptera (adults)
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Chrysops key character
Tony T
#1 Print Post
Posted on 06-06-2007 22:49
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Location: New Brunswick, Canada
Posts: 654
Joined: 08.02.07

3 June 2007 New Brunswick Canada.
A very useful, and convenient, character for identifying female Chrysops spp. is the absence (top image C. calvus)) or presence (bottom C. mitis) of a yellow pollinose stripe on the clypeus. These character states readily divide the North American spp. into 2 more manageable groupings.
Tony T attached the following image:


[121.21Kb]
 
Zeegers
#2 Print Post
Posted on 07-06-2007 08:37
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Location: Soest, NL
Posts: 10018
Joined: 21.07.04

As nicely illustrated.

In the Old World, unfortunately, the majority is of the lower type.

Theo
 
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07.02.16 00:58
Helloooo, you toooooooooooo... Grin

06.02.16 06:51
hello everyone. Have a nice day

05.02.16 12:08
Thanks Stephane

02.02.16 16:23
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30.01.16 13:28
(Dendro)phaonia querceti is now known as Potamia littoralis.

29.01.16 11:48
Does anyone know if this fly has a new name Phaonia querceti?

23.01.16 21:41
Chalcosyrphus pannonicus

23.01.16 12:13
Thanks very much

07.01.16 15:44
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07.01.16 15:27
Does anyone know what the current name of Lisocephala miki is? old name in Seguy, 1923 Thx

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