Marvels of insect life ; a popular account of structure and habit . o find a suitable situation in whichto spin a cocoon and turn to a chrysalis. It isremarkable that so big a caterpillar may do thiswith impunity, but it is more than probable thatits odour is sufficiently offensi\e to protect it fromattack. Its colour is a pinkish yellow along thesides, which merges into polished dark red alongthe back. It spends about three years boringtunnels into the heart of sound trees, includingpoplar, willow, oak, elm, and ash. Before eachwinter it hollows out a space in its tunnel and spinsa comfortabl
Marvels of insect life ; a popular account of structure and habit . o find a suitable situation in whichto spin a cocoon and turn to a chrysalis. It isremarkable that so big a caterpillar may do thiswith impunity, but it is more than probable thatits odour is sufficiently offensi\e to protect it fromattack. Its colour is a pinkish yellow along thesides, which merges into polished dark red alongthe back. It spends about three years boringtunnels into the heart of sound trees, includingpoplar, willow, oak, elm, and ash. Before eachwinter it hollows out a space in its tunnel and spinsa comfortable temporary cocoon, in which it lic>sinactive during the cold weather. When lull-ledit leaves its burrow, and seeks about for light, loosematerial in which to spin its final cocoon. The chrysalis is mahogany-coloured, an inchand a-half long. There is a line of short, hard spineson the back of each segmtMit, and these enal)]c thechrysalis to wriggle half out ot its cocoon, so thatthe moth emerges clear ot it. The female is a much 1 Asilid?c. ^ The Cart inilu [ISy Tlieo. Carreras. There are manv species of carpenter bees, all great burly Insects ot bliiish-blatU colour. The one represented is found in Europeand known as the violet carpenter. It excavates tunnels in wooden posts, dividing them into chambers, which it provisions, and laysan egg in each. The bees are seen at work, and in tlie separate cells are niass(>s ol pollen with the egg. the grub feeding, and thechrysalis from back and front. The figures are all about twice the size ol the Insects. 39 40 Marvels of Insect Life. larger moth than the male, the respective measurements across the outspreadwings being—male, two and three-quarter inches ; female, three and a-half from the difference in size, the sexes may be distinguished by their antennae ;in the female it is merely toothed, but in the male the teeth are long and comb-like,technically pectinated. The mouth-parts are in a very
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecta, booksubjectinsects
