The external skeletal structure of the insect body (dissection reveals an internal skeleton). The cuticle is secreted by the epidermis and is composed of chitin and protein. There are several differentiated layers.
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!