Principal household insects of the United States . 28), states that the inject remains in the pupa condition for ;i pel iodvarying from three or four days to a week, or even more, dependingprincipally on the warmth of the locality. Prom this statement w< 108 PRINCIPAL HOUSEHOLD INSECTS. that an entire generation may be developed in six weeks. Therefore,the increase of the insect may be very rapid and there may be four orfive generations annually. The larva, when feeding upon dried andsmoked meat, according to Dr. Horn, is usually seen creeping on thesurface of the meat. For food it prefers


Principal household insects of the United States . 28), states that the inject remains in the pupa condition for ;i pel iodvarying from three or four days to a week, or even more, dependingprincipally on the warmth of the locality. Prom this statement w< 108 PRINCIPAL HOUSEHOLD INSECTS. that an entire generation may be developed in six weeks. Therefore,the increase of the insect may be very rapid and there may be four orfive generations annually. The larva, when feeding upon dried andsmoked meat, according to Dr. Horn, is usually seen creeping on thesurface of the meat. For food it prefers such as contains fat and con-nective tissue, seldom attacking the muscular portions. It does notbury itself in its food until about the time of assuming the pupa general, the beetles make their way into houses in May and June,and at once deposit their eggs on their favorite food if they can obtainaccess to it. Where this is impossible they will lay their eggs, as willother beetles of the same family, near small cracks, so that the young.


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsectp, bookyear1896