Image from page 50 of "Bulletin of the Museum of Comparative Zoology at Harvard College" (1932)
Title: Bulletin of the Museum of Comparative Zoology at Harvard College
Publisher: Cambridge, Mass. : The Museum
Contributing Library: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
Digitizing Sponsor: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
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Text Appearing Before Image:
BRUES AND MELANDER: CLASSIFICATION OF INSECTS 47 ORDER GRYLLOBLATTODEA (GRYLLOBLATTOIDEA, NOTOPTERA) Elongate, more or less depressed, wingless insects, measuring about an inch in length. Head rather large, free, horizontal or slightly in- clined; eyes small or absent, no ocelli; antennae long, filiform, with about 30 to 40 joints, inserted at the sides of the front of the head near
Text Appearing After Image:
Figs. 20-23. Grylloblattodea 20. Ishiana (Silvestri) Grylloblattidse. 21. Grylloblatta (Walker) Grylloblattidse. 22. Grylloblatta, tarsus of male (Walker) Grylloblattidse. 23. Galloisiana, antenna (Crampton) Grylloblattidse. the mandibles; mandibles large and strong. Prothorax quadrate or somewhat longer than wide, not expanded laterally; free and larger than the meso- or metathorax. Legs similar, formed for running, the coxae close together; tarsi five-jointed, with two claws, those of the adult male with a pair of membranous lobes beneath each joint. Abdomen elongated, tergites more or less equal, transverse, extending down at the sides of the abdomen; cerci long, eight- or nine-jointed; ovipositor exserted, sword-shaped, composed of six paired pieces.
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