Aggregation of German cockroach (Blattella germanica) nymphs.
D000818:Animals; D001522:Behavior, Animal; D003441:Crowding; D005243:Feces; D007313:Insecta / Q000254:growth & development*; D010675:Pheromones / Q000378:metabolism*; D012007:Rectum / Q000502:physiology
D010675:Pheromones