. The life of North American insects [microform]. Insects; Insectes. 84 NORTH AMERICAN INSECTS. 11! II '! I ii. vember nearly twenty generations are born; and if their number were not checked by their numerous enemies, as well as by wet, damp weather a^d cold winters, all of our vegetable productions would not suffice to nourish ttem. The principal 8|>ecies of this country, which may be seen and examined every where, are: The RosE-LousE (Aphis roses), which is green. The Pig-nut louse (Aphis caryce), which is the largest, viz., one quarter of an inch long, and covered with a bluish woolly s
. The life of North American insects [microform]. Insects; Insectes. 84 NORTH AMERICAN INSECTS. 11! II '! I ii. vember nearly twenty generations are born; and if their number were not checked by their numerous enemies, as well as by wet, damp weather a^d cold winters, all of our vegetable productions would not suffice to nourish ttem. The principal 8|>ecies of this country, which may be seen and examined every where, are: The RosE-LousE (Aphis roses), which is green. The Pig-nut louse (Aphis caryce), which is the largest, viz., one quarter of an inch long, and covered with a bluish woolly substance. The Cabbage-louse (Aphis brassicce'), covered with a white mealy substance. The Willow-louse (Aphis salicis), which is black. Shield-lice (Coccus). The Shield-louse, also called Bark-louse, or Scale In- sect, is found upon the branches and leaves of trees and bushes, upon which it sits motionless, as if it were glued on, looking more like a wart than a living creature. This, however, is the case only with the female, who inserts her snout into the branch upon which she sits, and remains there imbibing the sap of the plant. In this condition also she deposits her eggs, and after having done so she dies upon the same spot, leaving her dead and dried body a cover and shelter to her young ones. The males have no snout, and walk about the branches at their pleasure. The body of the ShieJd-louse it» oval, and the head, tho- rax, and abdomen run into one another so imperceptibly, that the whole appearance of the animal is like that of a shield or buckler. Hence its name. I have before remarked, and I may often have owiasion to repeat the remark, that to the lover of Nature nothing, even the most vile and insignificant object that lives, is without some points of interest—each has something curi- ous in its construction or mode of life, or manner of re pro-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for reada
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectinsects, bookyear1864
