. Elementary entomology . lighter crimson, and the posterior thorax and abdomen a bright green ; but in an hour the crimson darkens, and in a few hours changes to a jet- black. The young bugs hatching from a cluster of eggs remain together in a sort of family dur- ing their infancy, each inserting its tiny beak in the succulent leaf from which it vigorously «v- iHH^VSflllK sucks the juice. In J^*^ about three days Fig. 63. Egg masses of squash-bug. (Twice natural size) ^^^ abdomen bc- (Photograph by R. I. Smith) â ,. , 1 i ⢠comes distended, m- dicating the need of a larger suit of clothes t
. Elementary entomology . lighter crimson, and the posterior thorax and abdomen a bright green ; but in an hour the crimson darkens, and in a few hours changes to a jet- black. The young bugs hatching from a cluster of eggs remain together in a sort of family dur- ing their infancy, each inserting its tiny beak in the succulent leaf from which it vigorously «v- iHH^VSflllK sucks the juice. In J^*^ about three days Fig. 63. Egg masses of squash-bug. (Twice natural size) ^^^ abdomen bc- (Photograph by R. I. Smith) â ,. , 1 i ⢠comes distended, m- dicating the need of a larger suit of clothes to allow further growth. The nymph now assumes a quiet position, the skin splits down the middle of the back along the thorax and anterior abdomen, and gradually the little bug pulls itself out of its baby clothes, the time required for this change of costume vary- ing from a half-hour to several hours. A few hours later the skin, now much lighter in color, has hardened, and the insect is about one fifth inch long. The nymph now becomes more active and alert and continues to feed some nine days before molting again. In the third stage it is considerably larger and flatter, and darker in color. Eight days later the third molt takes place, and the new clothes of the fourth stage differ in having small but distinct wing pads extending back
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Photo credit: © The Bookworm Collection / Alamy / Afripics
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Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912
