Posted by jorgemotalmeida on 12-10-2007 18:41
#2
it is crucial in many cases because to get a reliable ID you need, of course, a specimen to check genitalia. Or to observe some features when an expert ask for that. For me, it was very useful to have specimens to check correctly the ID. If you *really* wants/care about knowing the correct ID species, it is necessary to have specimen in many cases.