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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:


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Zeegers
#2 Print Post
Posted on 07-06-2007 08:37
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Location: Soest, NL
Posts: 10773
Joined: 21.07.04

As nicely illustrated.

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

Theo
 
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18.06.16 11:42
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18.06.16 09:11
Indeed

14.06.16 16:22
My last 2 for the moment am I ok with im Saftflu├č einer Ro├čkastanie - from the sap of a horse chestnut schl├╝pfte - emerged?

04.06.16 12:45
Thank very much Paul it is very helpful to know these words

03.06.16 16:52
Hinterleib -> abdomen; Ring -> Segment, because strictly speaking it is the tergite and sternite that form the ring.

03.06.16 12:10
Another couple of old words which I would be grateful for help on Hinterleib narrow, light grey with a pair of small rounded spots on Ring 2 and 3, 4th Ring ungefleckt Hinterleib- ? Ring - terga?

23.05.16 12:37
in fact I prefer Schwinger to halteren

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