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 19. Radfordia (Microtimyobia) abramovi Bochkov and Mironov, 1998 ( Figs. 55–57 ) Radfordia (Microtimyobia) abramovi Bochkov and Mironov, 1998: 303 , fig. 1 Diagnosis. FEMALE ( Fig. 55 ). Subcapitular setae m filiform. Setae vi distinctly wider and longer than e2 . Bases of setae vi , si , and se with small antrorse projection. Setae e1 and f1 narrow lanceolate. Distances c1-d1 and d1-d2 subequal. Vulvar region densely punctated. Antero-median part of vulvar region distinctly sclerotized. Setae ps3 distinctly developed, slightly curved. Setae ag2 at least 2 times longer than ag1 . Setae 1b and 1d scale-like. Setae 2a and 3a whip-like, much longer than 2b . Trochanter I with distinct ventral projection and without tubercles. Measurements of holotype : body, including gnathosoma, 350 long ( 335–375 in 3 paratypes ), 180 maximum wide (175– 180). Lengths of setae: vi 60 (60–67), ve 69 (67–81), si 112 (100–125), se 63 (63–72)—all 9 wide; c1 and c2 51– 56, d1 56 (56–58), d2 58 (54–58)– all 6 wide; e1 40 (40–45), e2 40 (40–46), 2a and 3a 67–75, 4a 49 (42–51). MALE ( Figs. 56 ). Subcapitular setae m filiform. Genital cone with enlarged basal part (at level of setae d1 ) and strongly elongated and narrow distal part (anterior to level of setae d1 ). Bases of setae vi situated at level of setae ps2 . Setae e2 and f1 subequal and situated at same level. Posterior end of opisthosoma with tubercles. Setae 1b and 1d scale-like. Setae 2a and 3a whip-like, much longer than 2b . Trochanter I with weakly developed ventral projection and without tubercles. Measurements ( 3 paratypes ): body, including gnathosoma, 285–290 long, 155–160 maximum wide. Aedeagus 140–145 long. Lengths of setae: vi 10–11, ve 60–69, si 24–33, se 85–90, c2 87–108, e1 45 –54, e2 33 –37, f1 27–33, 2a and 3a 69–78, 4a 33–34. FEMALE TRITONYMPH ( Fig. 57 ). Setae f2 and h2 stick-like, other dorsal idiosomal setae narrow lanceolate. Setae 3a 22 long, 4a 11 long. Tarsus IV with 2 setae. Type host and locality. Phodopus roborovskii from Russia ( Tuva ) ( Bochkov & Mironov 1998 ) . Hosts and distribution. This species is associated with hamsters of the genus Phodopus . FIGURE 54. Radfordia (M.) triton Fain and Lukoschus, 1977 , legs II–IV of female tritonymph in ventral view. A, leg II; B, leg III; C, leg IV. FIGURE 55. Radfordia (M.) abramovi Bochkov and Mironov, 1998 from Phodopus roborovskii , female. A, dorsal view; B, ventral view; C, vulvar region. Scale bars: A, B = 100 µm; C = 50 µm. It was recorded from: Phodopus roborovskii from Russia ( Tuva ) ( Bochkov & Mironov 1998 ); Phodopus campbelli from Mongolia ( Bochkov 2009b ), Russia ( Tuva ) (new locality); Phodopus sungorus (new host) Russia ( Altay Territory). Material examined. Phodopus roborovskii — female holotype ( ZISP T-My-20), 3 male , 3 female , and 3 TN paratypes , RUSSIA : South Tuva , near Tere Khol’ Lake , 13 June 1995 , coll. A. Abramov ; 1 male and 2 TN ( AVB 09-1201 - 008 ), RUSSIA : Tuva , Erzinskiy Distr. , Erzin village , Tore-Khol’ Lake , 50º01'29"N, 94º03'23"E, 18 September 2009 , coll. A. Abramov (AA #789) . Phodopus campbelli — 1 male , MONGOLIA : Namdeyge-Khole Hole , 25 January 1908 , coll. P. Kozlov ; 2 males , 6 females , and 5 TN (3 pharate with females and 1 pharate with male) ( AVB 09-1201 - 007 ) , RUSSIA : Tuva , Mongun-Tanginskiy Distr. , Kargy River , 50º16'22,9"N, 90º40'05,5"E, 19 August 2010 , coll. A. Abramov (AA #240) . Phodopus sungorus — 1 female and 15 TN (1 pharate with female and 2 pharate with male) ( AVB 09-1201 - 009 ) ( ZISP 60565 ), RUSSIA : Altay Territory , Zmeinogorskiy Distr. , Lokot’ village , 20 July 1911 , coll. Lavrov. Type deposition. Radfordia abramovi —ZISP, female holotype (T-My-20) (examined).