. Elementary text-book of zoology. Zoology. 562 INSECTA. winged insect, which is now in the snbimago stage, undergoes another ecdysis- and becomes an imago. JSpliemrra nily at a L. (fig. 465). Palingenia IOH;//- cuiidti Oliv. Fam. Libellulidae. Dragon flies. Large slenderly-built insects with freely moveable, transversely cylindrical head, short six- to seven-jointed thin and pointed antenna?, and four large net-like latticed wjngs. The mouth parts are powerfully developed, and are covered by the large upper lip. The maxilhi- have fused horny lobe, and single-jointed sickle-shaped palp. The la
. Elementary text-book of zoology. Zoology. 562 INSECTA. winged insect, which is now in the snbimago stage, undergoes another ecdysis- and becomes an imago. JSpliemrra nily at a L. (fig. 465). Palingenia IOH;//- cuiidti Oliv. Fam. Libellulidae. Dragon flies. Large slenderly-built insects with freely moveable, transversely cylindrical head, short six- to seven-jointed thin and pointed antenna?, and four large net-like latticed wjngs. The mouth parts are powerfully developed, and are covered by the large upper lip. The maxilhi- have fused horny lobe, and single-jointed sickle-shaped palp. The labitvm has a simple or divided internal lobe and separate outer lobes fused with the bi-jointed palp. The abdomen has ten joints, and on the last segment two unjointed anal styles opposed to one another, so as to form a sort of forceps. They live near water, and feed on other insects. The two sexes are usually of different colours, and is rapid and prolonged. During copulation the male clasps the prothorax of the female with his abdominal forceps, while she bends her abdomen towards the base of his abdomen. Here is placed the copulatory organ, which is remote from the genital opening, and is filled with sperm prior to copulation. The larva? live in water and are predaceous. The lower lip is modified to form a special predatory apparatus (the mask) (fig. 456). Many of them breathe by means of tracheal gills, which are placed at the end of the abdomen or in the rectum. Calopteryx rin/n Affrion j>i/eUn L., • i/i'tinclis L., Lilx'llnla Order 3.—Neuroptera.* Insects with biting (sometimes also suctorial} mouth parfs, with free prothorax and mem- branous wings, the nervures of wlticli form a net-work. The metamorphosis is complete. Most Neuroptera, have an outward re- m-pancrpa «,,««,«„,> sembiance to t}ie LiMlulidce and Ephenwridn-, (regne animal). while others resemble the Lepidoptera in their scaly wings. The two pairs of wings a
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1884
