Half hours with insects . Keduvius, pupa and young. seems to be to keep this and other insects in check. What,then, if the cockroach nibbles our towels and clothes occa-sionally when driven through stress of hunger? The cock-roach is particularly valuable on ship-board by reason ofits insectivorous habits. The Eeduvius (Fig. 56, pupa)is also said to prey upon the bed-bug. Degeer tells usthat the wingless young (Fig. 57) have the instinct to en-velop themselves in a thick coating of particles of dust, andso completely, adds Westwood, do they exercise thishabit that a specimen shut up by M. Brul
Half hours with insects . Keduvius, pupa and young. seems to be to keep this and other insects in check. What,then, if the cockroach nibbles our towels and clothes occa-sionally when driven through stress of hunger? The cock-roach is particularly valuable on ship-board by reason ofits insectivorous habits. The Eeduvius (Fig. 56, pupa)is also said to prey upon the bed-bug. Degeer tells usthat the wingless young (Fig. 57) have the instinct to en-velop themselves in a thick coating of particles of dust, andso completely, adds Westwood, do they exercise thishabit that a specimen shut up by M. Brulle, and which hadundergone one of its moultings during its imprisonment, Packard] EELATIOXS OF INSECTS TO MAX. 73 divested its old skin of its coat of dust, in order to recoveritself therewith. Does the bed-bug poison us when it bites? So we mayask whether the flea, mosquito and black fly, convey a dropof poison into the punctured wound they make. This is adisputed point. Dr. Landois, however, the latest writer onthis sub
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectinsects, bookyear1881
