Nothybus kempi ( Brunetti, 1913 )

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 kempi ( Brunetti, 1913)

( Figs 38–55 , 76 )

Psila kempi Brunetti, 1913: 187 . Syntypes (3 ³♀): India, Assam, depository unknown (lost?).

Nothybus kempi: Enderlein, 1922: 175 ; Aczél, 1955: 9; Frey, 1958: 39; Steyskal, 1977: 30; Meier et al., 1999: 209; Papp et al., 2006: 176; Galinskaya & Shatalkin, 2015: 583; Lonsdale & Marshall, 2016: 19 .

Diagnosis. Frons ( Figs 40–42 ) with two velvety black anterior patches. Mesonotum ( Fig. 43 ) with irregularly 6 rows of presutural acrostichal setulae in mid-longitudinal stripe. Wing ( Fig. 44 ) with dark brown transverse stripe extending from C to CuA 1 along dm-cu; three clear and strongly iridescent spots arranged in a straight line; CuA 1 with brown elongate oval spot extending into cell dm and not reaching dm-cu. Fore basitarsomere ( Fig. 45 ) white or whitish-yellow with base dark brown. Abdominal tergite 1 and anterior margin of tergite 2 yellowish orange, tergite 3 dark brown, tergite 4 with orange lateral margin ( Figs 46–48 ).

Material examined. CHINA: 3³ 2♀, Yunnan, Dehong, Ruili (N24.111210°, E97.986650°), 13 May. 2018, leg. B. Zhang ( CAU) .

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

Remarks. The Chinese specimens from our study differ from the redescriptions of Lonsdale & Marshall (2016) as follows: male abdominal tergite 4 laterally with large orange regions, tergite 6 and terminalia light yellow ( Figs 46, 47 ). Female abdominal tergite 6 dark brown ( Figs 39 , 48 ).

Figures

FIGURES 38–39. Nothybus kempi (Brunneti, 1913), habitus, lateral: 38 male; 39 female. Scale bars: 3.0 mm.

FIGURES 40–48. Nothybus kempi (Brunneti, 1913): 40–47 male; 48 female; 40 head, dorsal; 41 same, anterior; 42 same, lateral; 43 thorax, dorsal; 44 wing; 45 fore tarsi; 46 abdomen, dorsal; 47 same, lateral; 48 same, lateral. Scale bars: 1 mm.

FIGURES 49–55. Nothybus kempi (Brunneti, 1913), male genitalia: 49 external components past sternite 8, anterior; 50 same, left lateral; 51 same, posterior; 52 internal components, ventral; 53 same, left lateral; 54: external components, segment 6 to cercus, lateral; 55: 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.