. Brigham Young University science bulletin. Biology -- Periodicals. BnioHAM YouNO University Science Bulletin Genus Argas Latreille, 1796 Body distinctly flattened dorsoventrally; dor- sal and ventral surfaces subequal in area. Body margin flattened even when depleted, consisting of radial striations or <|uadrangular plates. Su- tural line separating dorsal and ventral surface present. Integument leather)' or finely wrinkled, intermingled with small "buttons"; discs ar- ranged more or less radiallv. Eyes absent. Adults and nymphs similar. Parasitic principally on birds or l)ats.
. Brigham Young University science bulletin. Biology -- Periodicals. BnioHAM YouNO University Science Bulletin Genus Argas Latreille, 1796 Body distinctly flattened dorsoventrally; dor- sal and ventral surfaces subequal in area. Body margin flattened even when depleted, consisting of radial striations or <|uadrangular plates. Su- tural line separating dorsal and ventral surface present. Integument leather)' or finely wrinkled, intermingled with small "buttons"; discs ar- ranged more or less radiallv. Eyes absent. Adults and nymphs similar. Parasitic principally on birds or l)ats. Type species: Argas reflexiis (Fabricius, 1794). Argas japonictis Yamagnti, Clifford, and Tipton (Fig. 5 and 6) Argas japoniciis Yamaguti, Clifford, and Tipton, 1968:453-459, Fig. 1-17; Uchikawa and Sato, 1968:157-161, Fig. 1, 1969:95-97; Saito, lijima, and Minai, 1969-39-41. Argas .sp.: Inatomi and Yamaguti, 1960:17-18; Uchikawa, Sato, and Kugimoto, 1967:141- 151, Fig. 1-20. Argas reflexus var. japonicus Yamaguti and Ina- tomi, 1961:142. Argas persicus (not Oken, 1818): Hara, 1963: 123-125, Fig. 1. Discussion: The occurrence of this soft tick was first re- ported by Inatomi and Yamaguti (1960) from nests of the Japanese striated swallow, Hirundo dattrica juponica, which were built under eaves of the post office at Niimi City, Okayama Pre- fecture, Honshu. They gave a brief account of adult morphology. The following year, Yama- guti and Inatomi (1961) examined immature forms from this locality and considered this population to be a new variety of Argas reflexus, which they designated japonicus. Hara (1963) reported the occurrence of Argas persicus from nests of the house martin at Agematsu, Nagano Prefecture. Uchikawa, Sato, and Kugimoto (1967) found a large number of specimens of Argas sp. in swallow nests built under eaves of the University Hospital of Shin- shu University, Matsuinoto City, Nagano Pre- fecture. Yamaguti, Clifford, and Tipton (1968) examined this material, inc
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