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More Information about: vertex
Term vertex
Explanation Quote from the Manual of Nearctic Diptera:
The median portion of the upper extremity of the head, bounded by the eyes latterally, the occiput posteriorly and the frons anteriorly, ...

Thus it becomes a rather roughly defined area you could call the posterodorsal margin of the head, in the middle of which you will find the (posterior part of) the ocellar triangle.
Category Morphology: head
Submitted by Paul Beuk
Date Added/
Modified
25.01.08
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Date and time
13 June 2024 09:53
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Last updated: 25.08.2011
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07.03.24 01:01
Some flies preserved in ethanol and then pinned often get the eyes sunken, how can this be avoided? Best answer: I usually keep alcohol-collected material in alcohol

17.08.23 16:23
Aneomochtherus

17.08.23 14:54
Tony, I HAD a blank in the file name. Sorry!

17.08.23 14:44
Tony, thanks! I tried it (see "Cylindromyia" Wink but don't see the image in the post.

17.08.23 12:37
pjt - just send the post and attached image. Do not preview thread, as this will lose the link to the image,

16.08.23 09:37
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 22:29
Has anyone used the Leica DM500, any comments.

27.12.22 22:10
Thanks, Jan Willem! Much appreciated. Grin

19.12.22 12:33
Thanks Paul for your work on keeping this forum available! Just made a donation via PayPal.

09.10.22 18:07
Yes, dipterologists from far abroad, please buy your copy at veldshop. Stamps will be expensive, but he, the book is unreasonably cheap Smile

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