Entomology for beginners; for the use of young folks, fruitgrowers, farmers, and gardeners; . FIG. W.—Psylla tripunctata.—After Riley. are generally conical, with a broad head, with long, 10-jointed an-tennaj and short legs, the hinder ones adapted for springing; the. FIG. 68.—Seventeen-year Cicada. A. larva; o, pupa; b, its cast skin splitthe back; e. eggs; d, gashes made for them in a twig. All except A naturalsize.—After Riley. 6 82 ENTOMOLOGY. wings are thickened, folded roof-like over the body, while the youngare often covered with a white cottony mass. Psylla pyri Schmidtinjures the pear
Entomology for beginners; for the use of young folks, fruitgrowers, farmers, and gardeners; . FIG. W.—Psylla tripunctata.—After Riley. are generally conical, with a broad head, with long, 10-jointed an-tennaj and short legs, the hinder ones adapted for springing; the. FIG. 68.—Seventeen-year Cicada. A. larva; o, pupa; b, its cast skin splitthe back; e. eggs; d, gashes made for them in a twig. All except A naturalsize.—After Riley. 6 82 ENTOMOLOGY. wings are thickened, folded roof-like over the body, while the youngare often covered with a white cottony mass. Psylla pyri Schmidtinjures the pear-tree; and P. tripunctata Fitch is common on pine-trees. Family Membracidae.—Head broad, prothorax very large and ofVaried form, being arched, compressed, hump-backed, conical, etc.,in different species, and often with spines and projections. Mem-brads foliata (Linn.); Telamona monticola (Fabr.). Family Cicadidae.—The Cicadae are among the largest of insects,and besides their broad heads, prominent eyes, and well-developedovipositor, have, in the males, a musical apparatus at the base ofthe abdomen, by which they produce a loud, shrill, piercing family also comprises the longest-lived of all insects, the 17-year Cicada (C. Yl-decim Linn.) req
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectinsects
