numerous insect pests - red german cockroaches prusaks

abdomen africa antenna antennae back biology body bug cockroach cockroaches colours communicate control crawling creature creepy dead death dirt dirty disease disgusting each eye fly german gross hairy head health home hygiene indoor infestation insect insecticide isolated kill kitchen leg live living many night nocturnal numerous other pest pesticide pests protection prusaks prussians red ugly unhealthy urban using white wild wildlife wing