. Elementary entomology. Insects. ELEMENTARY ENT( )MOLOGY The aphis-lions (Chrysopidac] are among the most important enemies of the noxious plant-lice. The larvae are small, dark-colored, spindle-shaped insects, from one fourth to one third of an inch long, with large, pincer- like jaws, much longer than the head, with which they grasp the aphides. On the inside of each mandible is a deep groove, against which the max- illa fits, thus forming a tube through which the juices of the (Photograph by Weed) prey ^ sucked into the moilth. When full grown, the larva spins a small, globular cocoon of p
. Elementary entomology. Insects. ELEMENTARY ENT( )MOLOGY The aphis-lions (Chrysopidac] are among the most important enemies of the noxious plant-lice. The larvae are small, dark-colored, spindle-shaped insects, from one fourth to one third of an inch long, with large, pincer- like jaws, much longer than the head, with which they grasp the aphides. On the inside of each mandible is a deep groove, against which the max- illa fits, thus forming a tube through which the juices of the (Photograph by Weed) prey ^ sucked into the moilth. When full grown, the larva spins a small, globular cocoon of pure white silk, in which it pupates. Frequently the old cocoons will be found with a small, circular lid which the adult has opened FIG. 116. A Myrmeleonid, the adult of the ant-lion. - Ji', «• ' - -r, "7: •i-Vi'i- •/ ' • -^I£V V^ -'.-- m^*ii$- .• . - /m&-^ rl. <^. -^^v<* V*-\ i. 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 Sanderson, Dwight, 1878-1944; Jackson, C. F. (Cicero Floyd), b. 1882. Boston, New York [etc. ] Ginn and Company
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