Chionea (Chionea) tianhuashana Zhang, Wang & Yang, 2012, sp. nov.
Creators: name: Zhang, Xiao
name: Wang, Junchao
name: Yang, Ding
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Limoniidae
Chionea
Chionea tianhuashana

description: Chionea (Chionea) tianhuashana sp. nov.
(Figs. 31–41)
Diagnosis. Generally brownish yellow species. Antenna with 8 segments. Gonostylus with a sclerotized lobe at base; inner tooth of sclerotized lobe as long as outer tooth. Aedeagus small with a rounded lobe covering it.
Description. Male (Fig. 31). Body length 2.5–3.0 mm, wing length 0.3 mm.
Head (Fig. 32). Brown with brownish yellow hairs. Frons prominent. Antenna 0.7–0.8 mm long. Scape pale brown with extreme tip pale yellow; pedicel pale brown with tip darker; fusion segment (first flagellomere) brownish yellow, flagellomeres 2–6 brownish yellow. Scape subcylindrical; pedicel club-shaped; fusion segment subconical, flagellomeres 2–5 subcylindrical with three long hairs each, last flagellomere short with two long apical hairs. Proboscis and palpus brownish yellow with brownish yellow hairs.
Thorax (Fig. 31). Pronotum and mesonotum brownish yellow with white hairs. Coxae, trochanters, femora and tibiae yellow; tarsi brownish yellow. Hairs on legs brownish yellow (Fig. 33). Wing white. Halter 0.3–0.4 mm long, white.
Abdomen (Fig. 31). Tergites and sternites brown. Hairs on abdomen white.
Genitalia (Figs. 34–38). Posterior margin of tergite 9 with a broadly V-shaped median emargination. Gonocoxite elongate, with long hairs on both dorsal and ventral sides. Gonostylus smoothly curved with a blunt basal tooth on inner margin, which bears several hairs; tip of gonostylus with tuft of microscopic hairs. Blackened sclerotized lobe present at base of gonostylus; sclerotized lobe bidentate, two teeth of it nearly equal in size. Paramere triangular with tip relatively acute and curved downward. Claspette triangular with tip relatively acute. Aedeagus short and covered with a rounded lobe.
Female (Fig. 39). Body length 3.0 mm, wing length 0.3 mm. Similar to male, but femora thinner (Fig. 40); cercus shorter than hypogynial valve (Fig. 41).
Type material. Holotype male, China: Liaoning, Kuandian, Tianhuashan Mountain, 41°4ʹN 124°35ʹE, 2011. III. 5, Weihai Li & Junchao Wang. Paratypes: 15 males 11 females, same data as holotype.
Distribution. China (Liaoning).
Etymology. The specific name refers to the type locality Tianhuashan Mountain.
Remarks. This new species is somewhat similar to Chionea (Chionea) pusilla Savchenko, 1983 from Russia, but it can be easily separated from the latter by the inner tooth of the sclerotized lobe being as long as the outer tooth (Fig. 36), the paramere and claspette being apically acute, the aedeagus with a rounded lobe covering it (Figs. 31, 35), and the cercus in female being shorter than the hypogynial valve (Fig. 41). In C. (C.) pusilla Savchenko, the inner tooth of the sclerotized lobe is shorter than the outer tooth (Fig. 14), the paramere and claspette are apically rounded, the aedeagus has two goblet-shaped lobes at base (Figs. 15, 19), and the cercus in female is longer than the hypogynial valve (Fig. 22) (Savchenko 1983).
description: Published as part of Zhang, Xiao, Wang, Junchao & Yang, Ding, 2012, Chionea Dalman newly recorded from China with descriptions of two new species (Diptera, Limoniidae), pp. 1-14 in Zootaxa 3316 on pages 10-12, DOI: 10.5281/zenodo.214207