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Hi, I have some 4-5 different spcies of Campodeidae in etanol in my collection, really interested if anyone has a key to at least genera. What are the key charaters? Head? Antennae? Legs? Genitals? Size? Is the method: putting them to NaOH 10% overnight suitable for examining them? I've made some photos of a specimen in NaOH overnight and it seems to be OK. But I don't see anythingrsembling genitalia. Thanks in advance.