Toxorhina (Ceratocheilus) univirgata Zhang, Li & Yang 2015
Creators: name: Lv, Hanhuiying
name: Xu, Yuanyuan
name: Liu, Shulin
name: Li, Linghui
name: Lin, Kejian
name: Zhang, Xiao
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Limoniidae
Toxorhina
Toxorhina univirgata

description: Toxorhina (Ceratocheilus) univirgata Zhang, Li & Yang, 2015
Figs 6, 7
Toxorhina (Ceratocheilus) univirgata Zhang, Li & Yang, 2015 in Zhang et al. 2015: 76. Type locality: China, Yunnan, Lvchun, Huanglianshan.
Specimens examined.
China • 4 ♂♂; Yunnan Province, Lvchun County, Huanglianshan National Nature Reserve, Yakou Protection Station; 1931 m a. s. l.; 22.8956 ° N, 102.3008 ° E; 7 July 2016; Qilemoge leg.; light trap; CAU.
Diagnosis.
Prescutum and presutural scutum brownish-yellow with three broad brown longitudinal stripes. Pleuron yellow with one dark brown longitudinal stripe. Wing with cell d closed. R 4 ending beyond end of basal section of R 5 by 1 / 3–2 / 5 of its own length, m-cu from a distance before to at fork of M. Gonocoxite with 1 gonostylus. Gonocoxite dorsally without stout setae. Interbase as a short and flattened plate. Tip of aedeagus bifid with arms very long.
Description.
Male (Fig. 6 A). Body length 5.3–5.8 mm (excluding rostrum), wing length 5.0– 5.5 mm, rostrum length 4.8–5.3 mm, halter length 0.6–0.7 mm.
Head (Fig. 6 A). Rostrum slightly shorter than wing, dark brown with dark brown setae.
Thorax (Fig. 6 A). Coxae pale yellow, fore coxa slightly darker; trochanters yellow with tips black; femora brown with bases paler; tibiae brown; tarsi brown with tips slightly paler (Fig. 6 A). Wing with position of m-cu unstable, ranging from a distance before fork of M to at fork of M (Fig. 6 B, C).
Hypopygium (Fig. 7). Tergite 9 brownish-yellow with dark brown setae, posterior margin with two nearly triangular lobes, separated by V-shaped incision, laterally with two translucent areas on both sides (Fig. 7 A, E). Gonocoxite brownish-yellow, long conical with tip round; setae on gonocoxite dark brown, outside of ventral face without setae (Fig. 7 A, B). Gonostylus brown with distal half paler, curved inwards at middle, basal half stout with numerous small spines at outer side, distal half slender with tip round; outer side of middle with a spine; the spine curved outwards (Fig. 7 A, B, F, G). Interbase brownish-yellow, as a short and flattened plate, about 3 times as long as wide; tip blunt (Fig. 7 A – D). Parameres pale brownish-yellow with edges brown, sheet-like, distally connecting to base of interbase (Fig. 7 C, D). Ejaculatory apodeme pale brownish-yellow with middle brown, sheet-like, base narrow (Fig. 7 C, D). Aedeagus pale brownish-yellow with brown, stout base; tip bifid, arms filiform and very long, bent dorsally with tip bent outward (Fig. 7 A – D, H – J).
Distribution.
China (Yunnan) (Oosterbroek 2023).
Behavior.
The species can be attracted by light.
Remarks.
Zhang et al. (2015) described and illustrated this species as a new species from China. This study supplements the description of the legs, wing, and rostrum. In addition, a more detailed description and illustrations of the male hypopygium of this species are also provided.
description: Published as part of Lv, Hanhuiying, Xu, Yuanyuan, Liu, Shulin, Li, Linghui, Lin, Kejian & Zhang, Xiao, 2024, An updated review of the genus Toxorhina Loew, 1850 (Diptera, Limoniidae) from Yunnan, China with a description of a new species, pp. 191-204 in ZooKeys 1205 on pages 191-204, DOI: 10.3897/zookeys.1205.117807