Insects injurious to fruits . —The Stag dama Thunb. This large and powerful beetle is a very common insect,belonging to the family called Lamellicornes, or leaf-hornedbeetles, from the leaf-like joints of their antennae. In themale (Fig. 7) the upper jaws or mandibles are largely de-veloped, curved like a sickle, andfurnished internally beyond the mid-dle with a small tooth; those of thefemale are much shorter, and alsotoothed. The body measures fromone to one and a quarter inches inlength, exclusive of the jaws, and isof a deep mahogany-brown head of the male is broad
Insects injurious to fruits . —The Stag dama Thunb. This large and powerful beetle is a very common insect,belonging to the family called Lamellicornes, or leaf-hornedbeetles, from the leaf-like joints of their antennae. In themale (Fig. 7) the upper jaws or mandibles are largely de-veloped, curved like a sickle, andfurnished internally beyond the mid-dle with a small tooth; those of thefemale are much shorter, and alsotoothed. The body measures fromone to one and a quarter inches inlength, exclusive of the jaws, and isof a deep mahogany-brown head of the male is broad andsmooth ; that of the female narrowedand roughened with indentations. Thebeetle appears during the mouths ofJuly and August, and is very vigorous on the wing, flyingwith a loud, buzzing sound during the evening and night,when it frequently enters houses, to the annoyance of theoccupants. It is perhaps scarcely necessary to remark thatthis beetle is not venomous, and that it never attempts to bitewithout provocation. 24 INSECTS INJURIOUS TO THE APPLE. Fia. 8. The eggs are laid in the crevices of the bark of trees,especially near the roots. The larvae live in decaying wood,and are found in the trunks and roots of various kinds oftrees, particularly those of old apple-trees; they are alsofound in old cherry-trees, willows, and oaks. They aresaid to be six years in completing their growth, living all thetime on the wood of the tree, reducing it to a coarse powderresembling sawdust. The mature larva is a large, thick,whitish grub, with a reddish-brown, horny-looking head,dark mandibles, and reddish legs. (See Fig. 8, a.) The body is curved when at rest,tlie hinder segments beingbrought towards the the larva has at-tained full size it remainsin its burrow, and enclosesitself in an oval cocoon(Fig. 8, b) formed of frag-ments of wood and barkcemented together with aglue-like secretion, and within this enclosure it is trans-formed into a pupa of a yellowish-white co
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Keywords: ., bookcentury1900, bookdecade1900, bookidin, booksubjectinsectpests
