Close-up of Peruvian shore bug (Pseudosaldula vulgaris) genitalia

Many insects are called bugs—but scientifically, only those in the suborder Heteroptera are true bugs. There are about 40,000 species of these bugs, and classifying them is a huge task. Museum entomologist Randall Schuh has made this easier by using high-resolution digital imaging, as in the top view of a shore bug (inset). In addition, the SEM allowed him to view distinguishing features of the bug, like the genitalia seen at right in images of greater and greater magnification.