A preliminary introduction to the study of entomologyTogether with a chapter on remedies, or methods that can be used in fighting injurious insects; insect enemies of the apple tree and its fruit, and the insect enemies of small grains . of their casesand for the securing of tlieir food. In some instances much intelligenceseems to be displayed by them. Hyatt and Arms, in their little book,Insecta, describe and figure one species that occurs in streams aboutBoston, Massachusetts. They say of it that One of these makes appar-ently a tunnel and attaches it to a stone. The insect, however, econo-m
A preliminary introduction to the study of entomologyTogether with a chapter on remedies, or methods that can be used in fighting injurious insects; insect enemies of the apple tree and its fruit, and the insect enemies of small grains . of their casesand for the securing of tlieir food. In some instances much intelligenceseems to be displayed by them. Hyatt and Arms, in their little book,Insecta, describe and figure one species that occurs in streams aboutBoston, Massachusetts. They say of it that One of these makes appar-ently a tunnel and attaches it to a stone. The insect, however, econo-mizes material by allowing the stone to serve as the lower part of thetunnel. Close to the opening, which is towards the current, the larvaerects a vertical frame-work and across it stretches a net. The foodbrought down by the current is caught in the meshes of the net, and theinsect, without wholly leaving the protection of its house, is able to en-joy the meal its ingenuity has secured. When ready to transform tothe pupa stage, these larvae close the end of the case and sometimes spina light cocoon of silk. The pupa stage of Caddis flies resembles that ofthe moths, only the limbs are always free, while in the moths they 155.—Fanessa ant/opa.—[After J. G, Wood.] Fig. 156.— a, larva, and b, pupa of Vanessaaatiopa,—[a after Scudder; b, af-ter Harris.] and Moths.—Scale- ORDER XIV. LEPIDOPTERA.—(BM«er^z winged Insects.)The members of this order can readily be separated from all other in-sects by means of their scale-covered wings and bodies, the peculiar de- TO THE STUDY OF ENTOMOLOGY. 85 velopment of the mouth parts, and the form and transformations of theirlarvae. The group is almost without exception plant-feeding, and itsmembers are therefore to be classed as injurious. These insects on account or their attractive colors and the compara-tive ease with which their larvaB can be reared in confinement have beenstudied more than those of any other order. Their
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsects, bookyear1894
