First lesson in zoology : adapted for use in schools . are Oory-dalus, the lace-winged fly {Chry-sopa), and the ant-lion. Theiydung of the lace-winged fly hasgreat sickle-shaped jaws, andfeeds on Aphides. The Scorpion Flies.—These insects rep-resent the order Mecoptera. Their wingsare narrow and long, hence the name ofthe order (Greek, mecos, length). They arenet-veined insects, but differ from theNeuroptera in having larvse like caterpil-lars; while the head of the adult is elongatedand beaked, with minute jaws at the endof the snout. The Caddis Flies.—These constitute theorder Trichoptera (G
First lesson in zoology : adapted for use in schools . are Oory-dalus, the lace-winged fly {Chry-sopa), and the ant-lion. Theiydung of the lace-winged fly hasgreat sickle-shaped jaws, andfeeds on Aphides. The Scorpion Flies.—These insects rep-resent the order Mecoptera. Their wingsare narrow and long, hence the name ofthe order (Greek, mecos, length). They arenet-veined insects, but differ from theNeuroptera in having larvse like caterpil-lars; while the head of the adult is elongatedand beaked, with minute jaws at the endof the snout. The Caddis Flies.—These constitute theorder Trichoptera (Greek, thrix, trichos,hair; the wings being quite hairy). Thecaddis flies closely resemble the smallermoths ; as in moths the jaws are absent orobsolete, but well developed in the larva, „,iict. iiic—Caddis ,.,.,.- . ., ,. Fly and Case-worm. which IS called a case-worm, since it lives a, its case (enlarged).in water, in a tube or case which it constructs from grainsof sand or bits of leaves. * Literature.—Hagens Synopsis of N. A. ^ CHAPTEE BEETLES, OR SHEATH WINGED INSECTS. All beetles are called Goleoptera, the word meaningsheath-winged. Fig. 112 represents a beetle in the act of
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1894
