. Brigham Young University science bulletin. Biology -- Periodicals. 124 Bhicham Young University Science Bulletin Biology: The following life-cycle data is taken from Nadchatram (1960:220). The life cycle of the progeny of 3 female Ixodes graiuthitiis reared in the laboratory on white rats Period in Days Females detached from host 0 Females oviposited after 12-14 Females continued oviposition for 16-20 Larvae hatched out after 28-32 Larvae were fed after 15-25 Larvae fed for 4- 6 Engorged larvae quiescent after 6- 8 Nymphs emerged after 14-18 Nymphs were fed after 14-42 Nymphs fed for 6-10 En
. Brigham Young University science bulletin. Biology -- Periodicals. 124 Bhicham Young University Science Bulletin Biology: The following life-cycle data is taken from Nadchatram (1960:220). The life cycle of the progeny of 3 female Ixodes graiuthitiis reared in the laboratory on white rats Period in Days Females detached from host 0 Females oviposited after 12-14 Females continued oviposition for 16-20 Larvae hatched out after 28-32 Larvae were fed after 15-25 Larvae fed for 4- 6 Engorged larvae quiescent after 6- 8 Nymphs emerged after 14-18 Nymphs were fed after 14-42 Nymphs fed for 6-10 Engorged nvmphs (juiescent after 5- 7 Adults emerged after 16-20 Adults fed after 28-56 Adults fed for 10-14 Total duration to complete life cycle 174-272 Disease Relationship: Unknown. Ixodes lividtis C. L. Koch (Fig. 86-89) Ixodes lividus C. L. Koch, 1844:234; Ono, 1967: 217; Uchikawa and Sato, 1969:95-97. Discussion: This tick had not been reported from Japan until recently, when Ono (1967) reported it from the nest of the swallow, Riparia riporia ijimae, from Hokkaido, and Uchikawa and Sato (1969) collected it from the nest of Delichon urbica dasijpus in Nagano Prefecture. Three other lots of specimens were collected bv 406th Medical Laboratory personnel in Shimane and ( aimma prefectures. Ardiur (1963) discussed synonymy and dis- tribution, and he considers 7. pUnnheus, I. cani- •vugfl, and two subspecies, I. I. havaricus and /. /. ohotrUicus, both described by Schulze and Schlottke, to be synonyms of lividus. DlACXOSIS: This is the only ixodid tick found on swal- lows in Japan, and while it h;is no unusual mor- phological characters, the following points mav serve to distinguish it from other species: body oval; the coxae have no internal spurs; in front of the anus the anal groove is round; the posterior arms are almost parallel or slightly divergent; palps broad; the suture between articles II and III sometimes indistinct; cornu;i absent; auriculae ;il)sent. In the fema
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