. Zoology : for students and general readers . Zoology. THE HESSIAN-FLY. 377 The fleas (349) are wingless flies, allied to winged forms intermedi- ate between the house- flies and crane-flies. In the two-winged gall- flies {Gecidomyia, etc., Fig. 350, a tritici, Hes- sian-fly) the body is small and slender, with long antennas. The crane-flies (Tiptila) are large flies, standing near the head of the order, and, like the flea and gall-fly, the chrysalis is enclosed in a cocoon, there being no puparium or pupa-case, as in the- lower flies. Lastly, we have the mus- quito (Figs. 351 and 352), whose
. Zoology : for students and general readers . Zoology. THE HESSIAN-FLY. 377 The fleas (349) are wingless flies, allied to winged forms intermedi- ate between the house- flies and crane-flies. In the two-winged gall- flies {Gecidomyia, etc., Fig. 350, a tritici, Hes- sian-fly) the body is small and slender, with long antennas. The crane-flies (Tiptila) are large flies, standing near the head of the order, and, like the flea and gall-fly, the chrysalis is enclosed in a cocoon, there being no puparium or pupa-case, as in the- lower flies. Lastly, we have the mus- quito (Figs. 351 and 352), whose larva is aquatic, and breathes by a process on the end of the body, containing a trachea. Order!. Lepidoptera.— The butterflies and moths form a well-defined group, and are known by their scaly bodies (Fig. 353), the spiral maxillae or tongue, rolled up between the two large labial palpi, and their usually broad wings. As the butterfly, the type of the order, has been described at some length, we will only enumerate some of the. Fig. 351.—A, larva ; c, its respiratory tube. B, pupa ; d, respiratory tube, a, two paddles at the end of the 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 resemble the original Packard, A. S. (Alpheus Spring), 1839-1905. New York : Henry Holt
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectzoology, bookyear1879
