. A manual for the study of insects. Insects. Vlla+IX '"^^ Fig. 551.—Wing of Leptis. the body, or are furnished with tracheal gills. The last segment of the body has a transverse cleft, both above and ^ lllll IIII-2+3. VUz+IX Fig. 552.—Wing of Xylo/>hagus. below, which is furnished above with two processes. The pupae are free. The family is of moderate size; about seventy North American species have been described. Family ACROCERlDiE (Ac-ro-cer'i-dae). The Small-headed Flies, These flies are easily recognized by the unusually small head, the large humpbacked thorax, the in- flated abdo
. A manual for the study of insects. Insects. Vlla+IX '"^^ Fig. 551.—Wing of Leptis. the body, or are furnished with tracheal gills. The last segment of the body has a transverse cleft, both above and ^ lllll IIII-2+3. VUz+IX Fig. 552.—Wing of Xylo/>hagus. below, which is furnished above with two processes. The pupae are free. The family is of moderate size; about seventy North American species have been described. Family ACROCERlDiE (Ac-ro-cer'i-dae). The Small-headed Flies, These flies are easily recognized by the unusually small head, the large humpbacked thorax, the in- flated abdomen, and the very large alulets (Fig. 553). Fig —Piero- '^^^ head is composcd almost entirely of doniia iniseiia. gyes, and in somc genera is minute. 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 Comstock, John Henry, 1849-1931; Comstock, Anna Botsford, 1854-1930. joint author. Ithaca, N. Y. , Comstock Pub. Co.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsects, bookyear1895
