Elizabeth Schaafsma and Samuel Hapke

Schaafsma is a research biologist and Hapke is an entomologist and research manager for SpringStar (www.springstar.net), Woodinville, Wash.

[Bed Bug Supplement] Determining a Population’s Structure

A newly developed trapping system determined the population structure of entrenched infestations and revealed that the proportion of adults was much lower than previously thought.