How to Find Bugs in a House

Entomologists would go into a house, collect data on how often it was cleaned or whether insecticides had been sprayed recently. Michelle studies bugs for a living; even she can appreciate that it is pretty gross to stumble across carpet beetle larvae munching on fingernail clippings. But once they had collected everything they could, they took it back to the lab and then they had to sort and sort and sort some more.