Nothybus kuznetsovorum Galinskaya & Shatalkin, 2015

Zhou, Jiale, Marshall, Stephen A. & Yang, Ding, 2021, Synopsis of Nothybidae (Diptera: Brachycera) from China, with redescription of Nothybus absens Lonsdale & Marshall, Zootaxa 4926 (2), pp. 201-223 : 212

Nothybus kuznetsovorum Galinskaya & Shatalkin, 2015

( Figs 56–74 , 77 )

Nothybus kuznetsovorum Galinskaya & Shatalkin, 2015: 585 ; Galinskaya & Shatalkin, 2015: 583 ; Lonsdale & Marshall, 2016: 21 . Holotype (³): Vietnam, Phú Tho, ZMUM.

Diagnosis. Frons ( Figs 59–61 ) with two velvety black anterior patches. Mesonotum ( Fig. 62 ) with irregularly 8 rows of presutural acrostichal setulae in mid-longitudinal stripe. Wing ( Fig. 63 ) with three clear and iridescent spots arranged in a straight line; dark brown transverse stripe anteriorly wide, entirely filling apex of cell r 1; CuA 1 with brown elongate oval patch not reaching dm-cu. Fore basitarsomere ( Fig. 64 ) white with base dark brown. Abdominal tergite 1 and anterior margin of tergite 2 yellowish orange, tergites 2 and 3 laterally with relatively wide orange regions ( Fig. 56 ).

Material examined. CHINA: 2³ 1♀, Yunnan, Lvchun, Mt. Huanglianshan (N22.88528°, E102.271175°), 15 Apr. 2018, leg. L. Wang & X. Li ( CAU); 1³, Yunnan, Mengla, Bubang Village (N21.605465°, E101.590457°), 11 May. 2009, leg. T . Zhang ( CAU); 1³, Yunnan, Mengla, Menglun , Shilin (N24.777702°, E103.296508°,), 21 Apr. 2007, leg. F. Wang ( CAU) .

Distribution. CHINA (Yunnan) [new record]; LAOS; THAILAND; VIETNAM.

Remarks. The Chinese specimens from our study differ from the redescriptions of Lonsdale & Marshall (2016) as follows: male abdominal tergite 4 yellowish orange with medial portion, anterior margin and posterior margin narrowly brownish; tergite 6 and terminalia pale yellow ( Figs 65, 66 ). Female abdominal tergite 6 mostly blackish brown, orange medially ( Figs 58 , 67 ).

Figures

FIGURES 56. Nothybus kuznetsovorum Galinskaya & Shatalkin, 2015, living male from Yunnan, China (© Weiwei Zhang)

FIGURES 57–58. Nothybus kuznetsovorum Galinskaya & Shatalkin, 2015, habitus, lateral: 57 male; 58 female. Scale bars: 3.0 mm.

FIGURES 59–67. Nothybus kuznetsovorum Galinskaya & Shatalkin, 2015: 59–66 male; 67 female; 59 head, dorsal; 60 same, anterior; 61 same, lateral; 62 thorax, dorsal; 63 wing; 64 fore tarsi; 65 abdomen, dorsal; 66 same, lateral; 67 same, lateral. Scale bars: 1.0 mm.

FIGURES 68–74. Nothybus kuznetsovorum Galinskaya & Shatalkin, 2015, male genitalia: 68 external components past sternite 8, anterior; 69 same, left lateral; 70 same, posterior; 71 internal components, ventral; 72 same, left lateral; 73 external components, segment 6 to cercus, lateral; 74 ejaculatory apodeme. Scale bars: 0.5 mm. Abbreviations: bph = basiphallus; cerc = cercus; dph = distiphallus; ep = epandrium; hyp = hypandrium; pgt = pregonite; phap = phallapodeme; sur = surstylus.

FIGURES 75–77. External components past sternite 8 of male, posterior and left lateral. 75 Nothybus absens Lonsdale & Marshall, 2016; 76 Nothybus kempi (Brunneti, 1913); 77 Nothybus kuznetsovorum Galinskaya & Shatalkin, 2015. Scale bars: 0.25 mm.