The reason I ask is that standard laser printers (e. g. HP4000) that are used to make labels for pinned specimens are not satisfactory for alcohol-preserved material, because the letters float off the paper and become alphabet soup. I believe there is an Epson inkjet that has been used successfully that does not suffer from this problem. I use a micron pen to hand-write my labels that go into et...

You criticize my vouchering system by pointing out that "appendages glued to a card can only be viewed from a single perspective (i.e., only one wing surface can be examined)." If you examine the image at http://www.butterfliesofamerica.com/L/heliconius_tristero_types.htm you will see that that is not a correct characterization. Only the bases of the wings are glued to the card, and the dorsal s...