Mites of the subgenus Microtimyobia (Acariformes: Myobiidae: Radfordia) and their host-parasite relationships with cricetid rodents (Cricetidae) 2954 Author Bochkov, Andre V. text Zootaxa 2011 2011-07-08 2954 1 1 86 https://biotaxa.org/Zootaxa/article/view/zootaxa.2954.1.1 journal article 10.11646/zootaxa.2954.1.1 1175­5334 5282049 13. Radfordia (Microtimyobia) synaptomysi Bochkov and Mironov, 1998 ( Figs. 35 , 36 ) Radfordia (Microtimyobia) synaptomysi Bochkov and Mironov, 1998: 309 , fig. 4 Diagnosis. FEMALE ( Fig. 35 ). Subcapitular setae m with 3–4 tines. Setae vi distinctly wider and longer than e2 . Setae e1 and f1 filiform. Distances c1-d1 and d1-d2 subequal. Vulvar region not ornamented. Setae ps3 distinctly developed, slightly curved. Setae ag1 and ag2 subequal. Setae 1b and 1d slightly thicker than 1a . Setae 2a and 3a whip-like, much longer than 2b . Trochanter I with ventral projection, without tubercles. Measurements of holotype : body, including gnathosoma, 345 long ( 340–375 in 5 paratypes ), 180 maximum wide (180–200). Lengths of setae: vi 56 (51–56), si 85 (85–90), se 80 (80–83), c1 60 (60–65), c2 67 (67–69), d2 56 (56–61), e1 12 (12–14), e2 27 (27–33), 2a 70–76, 4a 35–37. MALE. Unknown. FIGURE 35. Radfordia (M.) synaptomysi Bochkov and Mironov, 1998 , female. A, dorsal view; B, ventral view; C, seta m ; D, vulvar region. Scale bars: A, B = 100 µm; C, D = 50 µm. FEMALE TRITONYMPH ( Fig. 36 ). Setae h2 stick-like, f2 and other dorsal idiosomal setae narrow lanceolate. Setae 3a and 4a short, much shorter than 2a . Tarsus IV without setae. Type host and locality. Synaptomys borealis from North West of USA ( Bochkov & Mironov 1998 ) . Hosts and distribution. This species was definitely recorded only on the type host, Synaptomys borealis from North West of USA ( type series) ( Bochkov & Mironov 1998 ). The record of Radfordia lemnina from Synaptomys cooperi from USA ( Indiana ) ( Wassel et al. 1980 ) should probably be referred to Radfordia synaptomysi . Material examined. Synaptomys borealis — Female holotype ( ZISP Т- My-12), 6 female and 1 female TN paratypes ( ZISP , unlisted), USA : North West of USA, August 1985 , coll. R. Pitka. Type deposition. Radfordia synaptomysi —ZISP, female holotype (T-My-12) (examined).