Literally: stalk. Can be used to indicate the common stem of two veins (basal part before fork) or the vein that is formed when two veins running towards the wing margin merge, for example R4+5 and M1+2 in some families of the Calyptrata.
I can no longer send private messages (and maybe not receive?), even though my inbox and outbox are not yet full. I write, click "send" and they disappear and never show up in the outbox.
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!