. Injurious and useful insects; an introduction to the study of economic entomology. Insects; Beneficial insects; Insect pests. 10 INJURIOUS AND USEFUL INSECTS readily displayed by drawing out the extremity of the abdomen with a pair of forceps; these are ordinarily concealed beneath the seventh tergum. The hind margin of the tenth tergum is deeply notched. Seven abdominal sterna (1-7) are externally visible. The first is only vestigial, being reduced to a small transverse plate; the second is of irregular outline, soft and flexible in front; the seventh is large, and its hinder-part, which is
. Injurious and useful insects; an introduction to the study of economic entomology. Insects; Beneficial insects; Insect pests. 10 INJURIOUS AND USEFUL INSECTS readily displayed by drawing out the extremity of the abdomen with a pair of forceps; these are ordinarily concealed beneath the seventh tergum. The hind margin of the tenth tergum is deeply notched. Seven abdominal sterna (1-7) are externally visible. The first is only vestigial, being reduced to a small transverse plate; the second is of irregular outline, soft and flexible in front; the seventh is large, and its hinder-part, which is boat-shaped, is divided into lateral halves, and can be widely dilated for the reception of the large egg-capsule. In the male cockroach ten abdominal terga are visible without. 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 Miall, Louis Compton, 1842-. London, G. Bell & sons
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License: Licensed
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsects, bookyear1902
