COCKROACHES # species found in the US, and less than # are considered pests.
70 species found in the US
less than 2 dozen/24 considered pests
COCKROACHES only two species known to live indoor exclusively.
German
Brownbanded
COCKROACHES only two species known to live indoor exclusively.
German
Brownbanded
Xenopsylla cheopsis
Oriental rat flea
COCKROACHES Skin castings =
exuviae
COCKROACHES Pycnoscelus surinamensis
Surinam cockroach
COCKROACHES Special scents (_ _) in their feces attract nymphs and adults.
aggregation pheromones
COCKROACHES Coprophagy =
eating of feces
COCKROACHES Necrophagy =
eating of one's dead
COCKROACHES There is one reason why some cockroach baits are so effective - foraging cockroaches defecate some of the bait before they die, and _ instar nymphs then consume it and die.
first instar
COCKROACHES German cockroaches can produce #+ ootheca over the course of a year.
5+ ootheca
COCKROACHES German cockroach ootheca can contain up to # eggs.