. Elemente der Zoologie, der Feld- und Laborstudie der Tiere zu begleiten. Zoologie. Die Heuschrecke 17. Dabei weiche Haut Sie sind ein lieblingsessen von Vögeln und anderen Tieren, Insekten essen. Die Kakerlaken (Blattidte) sind vorzugsweise Kreaturen der Tropen. Die Hve in kalten chmates hke dunkel und warm stellen. Die wenigen Arten in unserer Felder gefunden live vor allem unter Steinen und Protokollen, und einige von ihnen sind Flügellos (P' ig. 10). Die beiden Arten, die unseren Haushalt Schädlinge waren accidentall y aus Europa importiert. Einer davon ist der kleine, braune "C'roton Bug" ist eine founrl

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. Elements of zoology, to accompany the field and laboratory study of animals. Zoology. THE GRASSHOPPER 17. paratively soft skin they are a favorite food of birds and other animals that eat insects. The cockroaches (Blattidte) are by preference creatures of the tropics. Those that hve in cold chmates hke dark and warm places. The few kinds found in our fields live chiefly under stones and logs, and some of them are wingless (P'ig. 10). The two kinds that are our household pests were accidentall_y imported from Europe. One of these is the small, brown " C'roton bug " which is founrl among water pipes in kitchens; anrl the other is the large black species common in sugar-refineries, slaughter-houses, and bakeshops. All are ofiinivorous, eating such things as sugar, liread- stuffs, clothing, bookbindings, bedljugs, and other insects. The eggs of cock- roaches are laid in a small hunp, and all enclosed in a single, brownish capsule through one end of which the young hatch. The praying mantises (Mantidse) have received their popular name l)ecause of the devotional attitude in which the greatly enlarged front legs are held. Unlike other Orthoptera they are carnivorous; that is, they feed upon live animals. They hunt and devour other insects, —some even that are larger than themselves, — and the}' jirey upon each other. While most of the species are tropical, one (Fig. 11) is abundant in our Southern States and another occurs in the Missouri Valley. The earwigs (Forficu'lidae) resemble short-winged beetles (page 66), but differ from them in having large pincers or for- ceps at the hind end of the liody. The earwigs (Fig. 12) use the forceps in seizing prey or in grasping one another. Earwigs 0 Fi<"i. 10. — Wingless cock- roach. Nat. .size. Photo, by W. H. C. P.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly

Stockbilder mithilfe von Tags suchen

• bookcentury1900
• bookdecade1910
• booksubjectzoology
• bookyear1911