Elementary studies in insect life Elementary studies in insect life elementarystudie00hunt Year: 1902 WEALTH OF INSECT LIFE 191 bugs '), are predaceous. Other forms, commonly called borers, are such, as the apple-tree borer, the pine-tree borer (Fig. 163), and the cottonwood borer, the larva of which live within the trees named. There are likewise forms which feed upon leaves, such as the potato beetle and June beetle. A few abnormal species are parasitic upon bees and wasps. Those whitish FlG 164 A Bnout beetle (9phmopho. grubs found when spading, rus «*«««)-twice natural size, or when in
Elementary studies in insect life Elementary studies in insect life elementarystudie00hunt Year: 1902 WEALTH OF INSECT LIFE 191 bugs '), are predaceous. Other forms, commonly called borers, are such, as the apple-tree borer, the pine-tree borer (Fig. 163), and the cottonwood borer, the larva of which live within the trees named. There are likewise forms which feed upon leaves, such as the potato beetle and June beetle. A few abnormal species are parasitic upon bees and wasps. Those whitish FlG 164 A Bnout beetle (9phmopho. grubs found when spading, rus «*«««)-twice natural size, or when in quest of angleworms, belong to the June- beetle family. The eggs from which they emerge are laid beneath the surface of the ground, to hatch within a month to feed upon tender rootlets, or decayed vege- table matter. In autiimn they hibernate below frost line; in May they pupate near the surface; in June they emerge. The familiar ladybird larvae are for the most part predaceous, feeding upon other insects, especially plant- lice and scale insects; consequently the black or spotted lame are to be found running around upon plants and trees. (Fig. 107.) Pupation takes place with the pupa pending by the abdomen from leaves, fences, or trunks of trees. LEPIDOPTERA. These are insects which have long been the recipients of popular attention. They possess haustellate mouth- parts, which take the form of a spirally rolled proboscis, four wings, similar in structure, and covered with minute scales. The metamorphosis is complete. The
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