The Genetic Stock Center for the German Cockroach The Genetic Stock Center for the German Cockroach: Develop formal genetics of this insect, along with research on its biology, cytogenetics, behavior and insecticide resistance. Includes a list of mutants and a linkage map. (Insect) http://www.gypsymoth.ento.vt.edu/%7ewatson/pages/Cockroach.html