Principal household insects of the United States . /_ h. Fig. 40.—The Australian roach (Periplanet-a aitstralarice): a, male writliwings; b, female; c, pupa nil lili -i/ (original). The oriental cockroach, or black beetle Periplaneta orientalut), is thecommon European and particularly the English species,and is notablefor the fact that the female is nearly wingless in the adult state. Thewings of the male also are shortened, not reaching to the extremity of thebody. In color it is very dark brown, almost black, shining, and ratherrobust, much stouter than the other species, making its English


Principal household insects of the United States . /_ h. Fig. 40.—The Australian roach (Periplanet-a aitstralarice): a, male writliwings; b, female; c, pupa nil lili -i/ (original). The oriental cockroach, or black beetle Periplaneta orientalut), is thecommon European and particularly the English species,and is notablefor the fact that the female is nearly wingless in the adult state. Thewings of the male also are shortened, not reaching to the extremity of thebody. In color it is very dark brown, almost black, shining, and ratherrobust, much stouter than the other species, making its English nameof black beetle quite appropriate. This species is notably gn ein habit, individuals living together in colonies in the most amicableway, the small ones being allowed by the larger ones to sit n oyer them, and nestle beneath them without any resentment beingshown. This species was a common and troublesome i^-st in the British 92 PRINCIPAL HOUSEHOLD INSECTS.


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsectp, bookyear1896