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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: 620
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: 8470
Joined: 21.07.04

As nicely illustrated.

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

Theo
 
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18.08.14 15:25
Thanks Stephane

15.08.14 21:29
TumbsUp

15.08.14 15:44
so looking at another eg Wangen (Parafacialia) 1.5 – bis 1.75 mals so breit wie das 3. Fühlerglied = Parafacialia 1.5 to 1.75 times as broad as the 3rd antennal segment (postpedicel)

14.08.14 15:26
You read my mind - I was wondering about that too

11.08.14 19:03
And nouns in German always begin with a Capital letter, whatever their place ! That was further misleading ! Shock

11.08.14 15:26
Thank you Stephane - I thought that was a full stop! I wondered why there was a single word!

10.08.14 10:14
e.g : "Der Abstand der inneren Augenrander entspricht etwa der 4fachen Breite des 3. FĂĽhlerglied." (Distance between inner eyes margin about 4 times as broad as 3rd antennal segment)

10.08.14 09:53
Must be "...des 3. + [Name]." which means "of the 3rd [name]" ; the point after a number is the mark of ordinal numbers in German !

07.08.14 15:59
Der abstand der inneren Augenrander entspricht etwa der 4fachen Breite des 3!

07.08.14 15:56
Thanks for you help, its the last line for the moment. I will add it completely

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