Insects, Volume 8

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Smithsonian Institution, 1910 - Insects - 238 pages
 

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Page 97 - C. 1896 Die Collembola der Umgebung von Hamburg und benachbarter Gebiete. Mitt. naturh. mus. Hamburg., jhg. 13, pp.
Page 2 - To Dr LO Howard, chief of the division of entomology of the United States Department of Agriculture, and his staff, special acknowledgments are due for the determination of a number of insects and for information supplied.
Page 84 - Antenna? half as long as the head, conical, with segments related in length as 4 : 3 : 2 : 6 ; basal and second segments half as long as broad ; third and fourth coalescent ; the minute antennal tubercles become successively smaller on each segment. Body oval in dorsal aspect ; the number of large tubercles on each successive segment is, respectively, 6, 8, 8, 8, 8, 8, 8, 6, 2 ; the tubercle at either end of each transverse row is behind the others, on the first seven segments ; on the seventh, both...
Page 84 - ... second segments half as long as broad ; third and fourth coalescent ; the minute antennal tubercles become successively smaller on each segment. Body oval in dorsal aspect ; the number of large tubercles on each successive segment is, respectively, 6, 8, 8, 8, 8, 8, 8, 6, 2 ; the tubercle at either end of each transverse row is behind the others, on the first seven segments ; on the seventh, both are also ventral and inconspicuous ; on the eighth, four are ventral and two dorsal ; the ninth segment...
Page 85 - PI. vi, figs. 14-18.) White (fig. 2). Head (fig. 14) slightly longer than broad, rounded triangular. Eyes (fig. 14, e, e, e) not more than three on either side, in longitudinal alignment ; two are close together and immediately behind the base of the antenna ; the third is considerably behind these. The eyes are rudimentary ; they lack pigment, and even the cornea, especially of the posterior eye, is frequently indistinguishable.
Page 86 - Oudm. (Oudemans, 1890, p. 91 ; Schaffer, 1898, p. 399). ANURIDA AMORITA sp. nov. (Pi. iv, fig. 3; PI. vi, figs. 19-24-) General color bluish gray, due to the combined effect of indigo blue mottlings with the white ground color (fig. 3). The dorsum of each segment has two parallel broken blackish stripes (fig. 3). Eyes (fig. 19) five on either side, on blackish patches. Postantennal organs oval (fig. 20) or bent, as in fig. 21 (both figures are from the same head), with from thirty to forty elements....
Page 97 - Collembola. Journ. Linn. Soc. London, Zool., vol. 26, pp. 616-619. MacGillivray, AD 1891. A Catalogue of the Thysanoura of North America. Can. Ent., vol. 23, pp. 267-276. 1893. North American Thysanura. IV. Can. Ent., vol. 25, pp. 313-318. 1896. The American Species of Isotoma. Can. Ent., vol. 28, pp. 47-58. Meincrt, F. 1896. Neuroptera, etc., Groenlandica. V'id. Meddel. naturh. For. Kjobenhavn, pp. 167-173. Moniez, R. 1889. Notes sur les Thysanoures. I.
Page 69 - Oregon, in October, 1871." The original description of this species is so brief that the generic position must remain in doubt. A general resemblance to Trichopetalum lunatum is alleged, but the thirty(-one) segments, the shorter fifth joint of the antenna...
Page 86 - ... a chitinous base. Body (fig. 3) elongated, abdomen gradually dilated. Claws of mid and hind feet (fig. 23) gradually tapering from a broad base, slightly curving, strongly unidentate near the middle of the inner margin; claws of fore feet (fig. 24) smaller and less tapering. Clothing of short dense curving setae, with a transverse row of long hairs on each segment. Maximum length, 4.1 mm. Type. — Cat. No. 5437, US Nat. Museum. Described from thirty-six types, Kukak Bay (No. 70). This species...

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