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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: 630
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: 8664
Joined: 21.07.04

As nicely illustrated.

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

Theo
 
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Date and time
23 October 2014 05:00
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20.10.14 15:50
Thx Paul

17.10.14 11:04
Sounds like a posteroventral apical seta.

16.10.14 16:06
Can any1 help with an abbrev pls? is pv ap = preapical pv seta, thx

12.10.14 12:42
I just tried to join ResearchGate, but apparently you need an institute email to be let in - by scientists for scientists pah - armchair bureaucrats. Sad

24.09.14 01:18
Also I would like a PDF of a key to the families of flies suitable for Chinese material - if anybody can help. Shock

24.09.14 01:16
Is there anybody here working on flies from China?

19.09.14 02:28
Thanks to those who have responded to my request for beautiful, or ecologically interesting flies in the forum. TumbsUp TumbsUp

18.09.14 15:54
Have another try...

18.09.14 12:36
Hi Paul, is the private messages working, I just sent you a message, but it isn't in the outbox, neither is the one I sent a few weeks ago.

17.09.14 09:57
I always am. Grin

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