Figs 94–99.
Material examined. Holotype ♂, “ RUS. Khabarovsk reg. Khicha R. 690 m 49.05 N 139.43 E 10.VI. 2014, N. Vikhrev” (ZMUM). Paratypes: same label as holotype (1 ♂, ZMUM); “ RUS. Khabarovsk reg. Khabarovsk 48.6 N 135.1 E 2–6.VI. 2014, N. Vikhrev” (1 ♀, ZMUM); “ RUS. Khabarovsk reg. Vanino 49.1 N 140.31 E 9.VI. 2014, N. Vikhrev” (3 ♂♂, ZMUM); “ RUS. Khabarovsk reg. Kirpichny R. 49.261 N 140.33 E 11.VI. 2014, N. Vikhrev” (1 ♂, ZMUM); “ RUS. Magadan reg. Sokol env. 69.92 N 150.71 E 11–19.VII. 2014, N. Vikhrev” (1 ♂, ZMUM). The follows labels written in Russian: Kamchatka Kray: Sivuchiy Island (56.3605 N 162.708 E), 26.VI. 1908, A. Derzhavin (1 ♀, ZISP); River Kichiga (ca. 59.8277 N 163.3969 E), 30.VII. ??? 7, Smetanin (1 ♀, ZISP); Khabarovsk Kray: lateral channel Malyshevskaya (48.7119 N 135.5637 E), 27.V. 1910, Soldatov (1 ♀, ZISP); Tyumen' Oblast: Neroyka (ca. 64.57 N 59.67 E), 700 m, 29.VI. 1990 and 30.VI.– 3.VII. 1990, Malozemov (2 ♂♂, ZISP).
Description. Male, female. Body-length 4.2 –5.0 mm. Head. Frons yellow or black in upper half, matt. Ocellar triangle black. Fronto-orbital plate greyish dusted. Face, parafacial and gena pale yellow. Postcranium black, greyish dusted, covered with yellow hairs and black setulae and with row of postocular setae. Setae: 2–3 orbital, 2– 3 frontal, 1 ocellar, 1 inner vertical, 1 outer vertical (short), 1 postocellar; 1 pair of strong vibrissae and 1 pair of short subvibrissae present. Antenna black. Postpedicel with acutely angled upper apical corner, approximately 2– 2.5 times as long as wide. Arista black, bare. Palpus long, yellow. Clypeus and proboscis black.
Thorax black, greyish dusted. Scutum with following setae: acrostichals short in two rows, prescutellar pair not differentiated or only slightly longer than other acrostichals, dorsocentrals 3 + 3, intra-alars 1 + 2, supra-alars 1 + 2, postpronotals 2, notopleurals 2, postalars 2. Proepisternum with hairs in central part, with 1–3 setae near lower margin. Proepimeron with 1 seta. Anepisternum covered with hairs in posterior half and with 1 black and 2–3 pale setae along posterior margin. Katepisternum covered with long setae in ventral corner and 3 strong setae (the setae pale in male, black in female). Anepimeron bare. Scutellum black, with pair of strong lateral scutellar setae and pair of apical setulae.
Legs yellow, only tarsi slightly darkened. Male coxae inside with pale yellow hairs. Fore femur with row of anterodorsal setae; in male with 1–2 pale posteroventral setae, in female with 1 black posteroventral seta on basal half. Fore tibia with 1 posterodorsal, 1 anterodorsal at middle, 1 preapical dorsal, and 1 posterior apical setae. Mid femur with row of anterior, 1–2 anteroventral, 1 preapical posterior, and 0–1 preapical anterior setae. Mid tibia with 1 posterodorsal, 1 anterodorsal at middle, 1 anterior (anteroventral) setae, and ring of apicals. Hind femur with row of anterodorsal, 0–1 preapical posterodorsal and 2–3 dorsal setae; in female also with 1 ventral seta. Hind tibia with 2 anterodorsal, 2 posterodorsal, 1 anteroventral, 1 preapical dorsal setae, and ring of apicals, including posteroventral apical seta.
Wing clear with brownish veins; vein R 1 bare. Calypters, margins of calypters, and halteres yellowish.
Abdomen black, greyish dusted, covered with pale hairs in male and black short hairs in female. Tergites 2–6 each with row of marginal setae. Male sternite 4 as in Fig 98; sternite 5 with black lobes (Fig. 95). Epandrium, cerci and surstyli as in Figs 96, 97. Female tergite 7 desclerotized in middle, it lateral margins fused with lateral margins of sternite 7 forming syntergosternite; sternite 8 as two small separate sclerites.
Etymology. The specific epithet cryophila is derived from the Greek words kruos (cold, frost) and phileo (friend, loving), and means “living where it is cold”.
Comparison. See key to species below.
Distribution. Russia (Fig. 99): Kamchatka Kray, Khabarovsk Kray, Magadan Oblast, Tyumen' Oblast.