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Diptera.info » Miscellaneous » General queries
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Orthoptera - side keels ?
BubikolRamios
http://en.wikiped...parallelus

Chorthippus parallelus is told from similar species by the approximately parallel nature of the bars (pronotal side-keels)


What does that mean "keels" ? The outer most 2 vertical lines (out of 3) on prothorax, here:?
upload.wikimedia.org/wikipedia/commons/d/dd/Chorthippus_parallelus_8946.jpg

I have some samples where these keels are absent ?
like this: http://agrozoo.ne...9b6b9ffb5f

"Keels" - must this be color marked or even just brake in surface ?
See forinstance this:http://www.flickr...576836571/
Cant decide what it is, nor on any other image on net of Oedipoda caerulescens for thtat matter.
Are keels straight, V opened, absent ?

Any latin naming for those "keels" ?

Making grasshoper key ...
Edited by BubikolRamios on 10-09-2013 21:57
highly searchable nature photo galery --> http://agrozoo.ne....jsp?l2=en
 
http://agrozoo.net/jsp/Galery.jsp?l2=en
Calilasseia
Here's a photo I took recently of a specimen of Chorthippus brunneus, a species described as having sharply angled keels on the pronotum. I've annotated the feature in question after a quick session in PhotoShop. Hope this helps!
 
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17.08.23 15:23
Aneomochtherus

17.08.23 13:54
Tony, I HAD a blank in the file name. Sorry!

17.08.23 13:44
Tony, thanks! I tried it (see "Cylindromyia" Wink but don't see the image in the post.

17.08.23 11:37
pjt - just send the post and attached image. Do not preview thread, as this will lose the link to the image,

16.08.23 08:37
Tried to attach an image to a forum post. jpg, 32kB, 72dpi, no blanks, ... File name is correctly displayed, but when I click "Preview Thread" it just vanishes. Help!

23.02.23 21:29
Has anyone used the Leica DM500, any comments.

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Thanks, Jan Willem! Much appreciated. Grin

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Yes, dipterologists from far abroad, please buy your copy at veldshop. Stamps will be expensive, but he, the book is unreasonably cheap Smile

07.10.22 11:55
Can any1 help out with a pdf copy of 1941 Hammer. Vidensk. Meddel. Dansk Naturhist. Foren. 105; thank you

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