Forest entomology . Fig. 20.—Female genital organs of the cockchafer. On the right, the ovarioles are lying together in the natural position ; on the left they areseparated, and two are cut away, g, vagina; k, glands which open into the receptacula;I, oviduct; o, segments of the ovarioles, containing almost ripe ova; o, regions of thesame, containing immature ova; p, bursa copulatrix,; r, anterior; ;•, r, posterior budsof the ovarian tubules ; s, glands ; sg, receptacula ovoiuin. (After Boas.) penis of the male is inserted in copulation. Not infrequentlythere is at the female aperture an ovipo
Forest entomology . Fig. 20.—Female genital organs of the cockchafer. On the right, the ovarioles are lying together in the natural position ; on the left they areseparated, and two are cut away, g, vagina; k, glands which open into the receptacula;I, oviduct; o, segments of the ovarioles, containing almost ripe ova; o, regions of thesame, containing immature ova; p, bursa copulatrix,; r, anterior; ;•, r, posterior budsof the ovarian tubules ; s, glands ; sg, receptacula ovoiuin. (After Boas.) penis of the male is inserted in copulation. Not infrequentlythere is at the female aperture an ovipositor (Locusts), consistingof complicated knife-like or dagger - shaped laminae, or a sting INTRODUCTION. 17 (Hymenoptera); or the last abdominal segments, which then are thinand elongate, and may be telescoped, serve in this capacity (Dipteraand others). The chorion is often very hard, frequently covered witha delicate and regular sculpturing, and always provided with one ormore openings, the micropyles, throug
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisheredinburghwblackwoo
