. Natural history. For the use of schools and families. Zoology. COLBOPTEEA, OE SHEATH-WINGED INSECTS. 247 being more effective in this respect than the Beetles themselves. They are about half an inch long, of a bluish color with four or six yellow spots, and are seen creeping along branches and leaves in search of the plant-lice. After living in the larva state for a fortnight, they fasten themselves on some leaf, cast off their skins, spin a cocoon, and, after a fortnight's sleep, issue as Lady- birds. [ One of the species, the North- ern Lady-bird, is seen in Fig. 190. It is found chiefly o
. Natural history. For the use of schools and families. Zoology. COLBOPTEEA, OE SHEATH-WINGED INSECTS. 247 being more effective in this respect than the Beetles themselves. They are about half an inch long, of a bluish color with four or six yellow spots, and are seen creeping along branches and leaves in search of the plant-lice. After living in the larva state for a fortnight, they fasten themselves on some leaf, cast off their skins, spin a cocoon, and, after a fortnight's sleep, issue as Lady- birds. [ One of the species, the North- ern Lady-bird, is seen in Fig. 190. It is found chiefly on the pumpkin vine, Fig-wo.—Northern where, in the company of their larv£E, they feed on the Plant-lice and the lar- vae of the Squash Bug. 424. The Tiger Beetles, of which two species are represented in Figs. 191 and 192, are thus named both on account of their variegated colors and their rapacity. They feed on Caterpillars, Flies, and other Beetles, and will Figs. 191, 193.—Tiger Beetles , , ., even devour each other when shut up together. Their larvse or grubs are as rapacious as they are themselves. They live in holes which they dig in the ground. "When they are hungry they come to the mouth of their holes, and there keep watch, seizing the first insect that passes over the hole. Though these grubs are soft and white, they have pow- erful and well-armed jaws, with which they gratify their rapacity. 425. In Figs. 193 and 194 (p. 248) you have two spe- cies of Caterpillar-hunters, so called from their habits. They are very handsome Beetles. The green Caterpil- lar-hunter, Fig. 193, is a great devourer of tfce Canker- worm. These Beetles run about in the grass' after the worms, and go up the trunks of the trees to capture them as they come Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hoo
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1883
