Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . Long-tailed ichneiinidii, Jhalssa /mia/or.—a, \iiT\-a\ *, head of same ; c, pupa ; </, tip olpupal ovipositor; e, female adult; /, tip of abdomen, seen from the side; ir, male adult;k, tip of THE INSECT WORLD. 381 when hatched, crawls along the burrow until it comes into contactwith its host. It then punctures the skin and remains fixed tothe outside, sucking the juices and gradually killing the borer. Fig. Pimpla conqiiisitor.—a, larva ; c, pupa ; d, adu


Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . Long-tailed ichneiinidii, Jhalssa /mia/or.—a, \iiT\-a\ *, head of same ; c, pupa ; </, tip olpupal ovipositor; e, female adult; /, tip of abdomen, seen from the side; ir, male adult;k, tip of THE INSECT WORLD. 381 when hatched, crawls along the burrow until it comes into contactwith its host. It then punctures the skin and remains fixed tothe outside, sucking the juices and gradually killing the borer. Fig. Pimpla conqiiisitor.—a, larva ; c, pupa ; d, adult; other references are to structural details. By no means all of our ichneumons, even of those belong-ing to the family IchncumoJiidcB, have external ovipositors ; yetthere is a distinctive character in their appearance which is easilyrecognized but hard to de-scribe. The species belong- ^^*^- 439-ing to the typical genus Ich-netanoyi have rather long,slender forms, with flattenedabdomen and no externalovipositor. They are oftengaudily colored, the antenna*are frequently banded witliyellow, and many are metallicblue or green. The speciesare usually parasites on cater-pillars. One of the largestand most frequently noted species is that which infests the larvaeof the common swallow-tail butterflies. It is orange-yellowin color, with smoky-black wings, the body nearly an inch in


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsectp, bookyear1906