. Cattle ticks (Ixodoidea) of the United States. Ixodidae; Ticks. 409 SEVENTEENTH ANNUAL REPOKT. 110 /< broad; on dorsal surface of the articles, especially of the first and at the dorsal base of the capitulum, in back of the insertion of the palpi, numerous pennate. Fig. 94.—Dorsal view of spinose nymph of ear tick. Greatly enlarged. After Marx, 1895, PI. II, fig. 1. hairs. Two ventral hairs at the base of the capitulum. Legs thinner and a little shorter than in the nymph; coxae as in the other members of the genus; promi- nent tuberosity on dorsal surface of the tarsi. Dimensions.—Females


. Cattle ticks (Ixodoidea) of the United States. Ixodidae; Ticks. 409 SEVENTEENTH ANNUAL REPOKT. 110 /< broad; on dorsal surface of the articles, especially of the first and at the dorsal base of the capitulum, in back of the insertion of the palpi, numerous pennate. Fig. 94.—Dorsal view of spinose nymph of ear tick. Greatly enlarged. After Marx, 1895, PI. II, fig. 1. hairs. Two ventral hairs at the base of the capitulum. Legs thinner and a little shorter than in the nymph; coxae as in the other members of the genus; promi- nent tuberosity on dorsal surface of the tarsi. Dimensions.—Females, 5 to 6 mm. by 3 to 4 mm.; males somewhat smaller. Nymph.—Body somewhat longer than broad, greatest breadth at about III pair of legs, anterior of this the outline is bluntly rounded; posteri- orly, suddenly contracted at IV pair of legs; may attain 3 to 8 mm. in length and 2 to mm. in breadth. Tegument thickly beset with spines anteriorly, and bristly hairs posteriorly; the Fig. 95.—Ventral view of spinose nymph of ear tick. Greatly en- larged. After Marx, 1895, PI. II, fig. 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 Salmon, D. E; Stiles, Charles Wardell, 1867-1941. Washington : G. P. O.


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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherwashi, bookyear1902