The thorax is composed of three basic segments of which the second (mesothorax is the largest. The mesonotum is the dorsal part of the mesothorax and it constitutes most of the dorsal part of the thorax. It is composed of the prescutum (not differentiated in most Diptera, except for some Nematocera), the scutum and the scutellum.
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
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!