They can generally be controlled by dealing with the bed bug infestation. Furthermore, the problem of insecticide resistance in bed bug populations increases their opportunity to spread. All bed bug reproduction occurs via traumatic insemination and the spermalege. Toronto homeless shelters were surveyed and 31% reported past or present bed bug infestations. Bed bug pesticide-resistance appears to be increasing dramatically. If the cover is taken off early, the bed bug infestation may relapse. When a bed bug is starved, it leaves its shelter and searches for a host. Jim claims to see a bed bug near Cathy, making her flee from Dwight's spraying. These insects include "Cimex lectularius" (bed bug) and "Rhodnius proxlixus" (kissing bug). "Cimex lectularius" (the common bed bug) and "Cimex hemipterus". The bed bug, "Cimex lectularius", is an external parasite of humans. The common bed bug ("C. lectularius") is the species best adapted to human environments.