Principal household insects of the United States . is cov-ered with very minute scales like those of a moth. Six leg- spring. ,,/ I (original) nd plush 78 PRINCIPAL HOUSEHOLD INSECTS. from the thorax, and, while not very long, they are powerful and enablethe insect to run with great rapidity. In certain peculiarities of structure, and also in their habits, theseanomalous insects much remind one of roaches, and their quick, glidingmovements and flattened bodies greatly heighten this striking than all, however, is the remarkable development of thecoxa or basal joints of
Principal household insects of the United States . is cov-ered with very minute scales like those of a moth. Six leg- spring. ,,/ I (original) nd plush 78 PRINCIPAL HOUSEHOLD INSECTS. from the thorax, and, while not very long, they are powerful and enablethe insect to run with great rapidity. In certain peculiarities of structure, and also in their habits, theseanomalous insects much remind one of roaches, and their quick, glidingmovements and flattened bodies greatly heighten this striking than all, however, is the remarkable development of thecoxa or basal joints of the legs in the silver fish, which finds its counter-part in roaches, and, taken in connection with the other features ofresemblance, seems to point to a very close alliance between the twogroups, if, indeed, the silver fish are not merely structurally degradedforms of roaches and to be properly classed with the Blattida\ The general distribution of the insect about rooms, in bookcases,and under wall paper renders the application of insecticides difficultand often impracticable. It readily succumbs to pyrethrum, and whe
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsectp, bookyear1896
