Fig. 1. Hemolymph-injection of an octopamine receptor agonist (CDM) significantly
increases spontaneous walking over a 10 min period in stung cockroaches
compared to both saline-injected stung and control cockroaches
(***P<0.001 and *P<0.05,
respectively). Pairwise comparisons of saline-injected individuals shows that
stung cockroaches walk significantly less than control cockroaches
(*P<0.05).