Three-lined cockroach, Luridiblatta trivittata. From left to right: adult male, adult female, adult female carrying an ootheca. Ootheca (egg case) below.

Three-lined cockroach, <i>Luridiblatta trivittata</i>. From left to right: adult male, adult female, adult female carrying an ootheca. Ootheca (egg case) below. Vertical line indicates one inch.; Riverside, CA Credit: Dong-Hwan Choe
Three-lined cockroach, Luridiblatta trivittata. From left to right: adult male, adult female, adult female carrying an ootheca. Ootheca (egg case) below. Credit: Dong-Hwan Choe