bedbugs are searching for human host as its food

allergy annoying anthropod attack bed bedbugs bite blood bloodsucker bugs carbon chemical cimex cimicid co2 control detect dioxide egg eggs elimination entomology exterminator feed figure finds food hatching host house household human icon illustration infest infestation insect insecticide larva lectularius macro man meal nocturnal nymph parasite pest pesticide pregnant prevention problem rashes search sleeping sucker vampire vector warmth