Hendelia latustigenis, Yang & Yin & Xi, 2024

Yang, Shuai-Lai, Yin, Xin-Ming & Xi, Yu-Qiang, 2024, Four new species of the genus Hendelia Czerny, 1903 (Diptera, Clusiidae) from China, ZooKeys 1212, pp. 255-266 : 255-266

Hendelia latustigenis sp. nov.

Figs 13–18

Type material.

Holotype: • 1 ♂; China, Shaanxi, Zhouzhi, Taibai Mt. ; 1711 m; 33 ° 57 ' 18 ″ N, 107 ° 45 ' 48 ″ E; 2015. VII. 30; leg. Li Xuankun. Paratypes: • 1 ♂; same date as holotype .

Diagnosis.

Head mostly yellowish, palpus yellowish-white. Mesontum with 2 brown stripes extending to the anterior margin of scutellum; hypandrium with medial finger-like projection that has 2 long setae apically.

Description.

Male. Body length 4.2–4.5 mm, Wing length 4.1–4.3 mm.

Head (Fig. 13 ) width 1.28 mm, mostly yellowish; palpus yellowish-white; face and frons yellowish; 2 fronto-orbitals, the posterior seta 4 times longer than anterior seta; the interfrontal seta same length as anterior fronto-orbital; occiput yellowish, with small seta on lower edge; gena yellowish, more than 1 / 6 eye height; antenna yellow, pedicel length 0.16 mm, arista sparsely short plumose; 1 ocellar seta and 1 postocellar seta.

Thorax width 1.22 mm, mainly light yellow; with narrow brown stripe outside dorsocentral row extending to the anterior margin of scutellum (Fig. 14 ); scutellum, anepisternum and katepisternum yellowish; prescutellar seta absent; 1 postpronotal seta, 2 notopleural, 1 postsutural supra-alar seta, 1 + 2 dorsocentral setae, dark brown; intra-alar seta absent, 2 postalar setae, brown, with posterior seta tiny; 2 lateral scutellar setae, 1 apical scutellar seta, strong and dark brown; 1 anepisternum seta, 1 katepisternal seta. Leg light yellow; halter white.

Abdomen brown; setae and setulae dark brown. Male genitalia (Figs 15–18 ): epandrium 1.2 times higher than wide. Cercus height 1.8 times width, separated on distal 1 / 2, with small setae on outer surface and one long seta at apex. Surstylus 1 / 4 length of genitalia, apex without spines. hypandrium with medial finger-like projection that has 2 long setae apically, posterior part of hypandrium with 2 or 3 medium setae; pregonite slightly chitinized, with small apical setae.

Female. Unknown.

Distribution.

China (Shannxi).

Etymology.

The specific name “ latustigenis ” refers to the relatively wide gena.

Remarks.

The new species is distinct from other species in the middle part of the hypandrium with a finger-like projection at the tip of which there are two long setae, and in the lower part of the hypandrium with two or three medium setae. The wings of the type specimen are damaged.

Figures

Figures 13–18. Hendelia latustigenis sp. nov. (male) 13 head, lateral view 14 mesothorax, dorsal view 15 epandrium, cerci, and surstyli, posterior view 16 epandrium, cerci, and surstyli, lateral view 17 hypandrial complex, posterior view 18 hypandrial complex, lateral view. Scale bars: 0.1 mm.