Steganopsis multilineata de Meijere, 1924

Shi, Li, Wang, Donghui & Yang, Ding, 2023, Species of the genus Steganopsis from China (Diptera: Lauxaniidae), Zoological Systematics 48 (2), pp. 177-183 : 180-182

Steganopsis multilineata de Meijere, 1924 ( Figs 3 , 14–18 )

Steganopsis multilineata de Meijere, 1921: 64 . nomen nudum; de Meijere, 1924: 53. Type locality: Sumatra ( Fort de Kock ).

Steganopsis undecimlineata Frey, 1927: 11 . Type locality: Philippines (Luzon, Banahao).

Diagnosis. Frons brown to black, with a narrow middle stripe from ocellar triangle to frontal margin. Face shining, brown to black, rugose, sloping and frontofacial angle far beyond 90°. Antennal 1st flagellomere black on apical 1/2, arista long plumose, brown, with longest hairs 3.0 times as long as width of 1st flagellomere. Mesonotum with 9 white vittae, mesopleuron and pteropleuron entirely pale yellow, upper margin of sternopleuron yellowish white; 0+2 dc, acr in 4 rows. Legs brown; base of fore tibia and fore tarsomeres 1–2 pale yellow; mid tarsus yellowish except tarsomere 5 brownish; hind tibia with a wide yellowish subapical ring, tarsus yellowish except tarsomere 5 brownish. Wing ( Fig. 3 ) brownish, with a brown wide band on costal margin. Halter yellowish except knob black. Abdomen shining brownish black. Male genitalia ( Figs 14–18 ): syntergosternite broad, semicircular with a V–shaped apical margin; epandrium trapeziform, with a pair of digitate processes and tufted hairs on processes; aedeagus asymmetric in shape, left part with a small claviform apical process curved backward and right part with an acuate triangular process extended forward; aedeagal apodeme short sheet–like.

Material examined. 4♂ 1♀, Hainan, Yinggeling National Natural Reserve, Hongmao Village , elev. 430 m, 21–24 May 2007, leg. Junhua Zhang, Kuiyan Zhang, Jie Zeng, Jingxian Liu ; 1♂, Yunnan, Puer , elev. 1320 m, 6 April 1981, leg. Chikun Yang.

Distribution. China (Hainan, Yunnan), Philippines (Leyte, Luzon, Sumatra), Sri Lanka.

Remarks. The species is recorded in China for the first time.

Funding The research was funded by the National Natural Science Foundation of China (31660622).

Acknowledgements Authors express their sincere thanks to Dr. Mitsuhiro Sasakawa ( Japan), Dr. Stephen D. Gaimari (Sacramento), Dr. Xingyue Liu, Dr. Junhua Zhang, Dr. Yajun Zhu, Mr. Gang Yao, Ms. Kuiyan Zhang and Ms. Hui Dong (Beijing), Mr. Jingxian Liu and Ms. Jie Zeng (Guangdong) for their kind helps and supports.

Figures

Figures 1–3. Wings of Stegonopsis spp. 1. S. convergens Hendel, 1913; 2. S. mayanghensis Shi & Yang, sp. nov.; 3. S. multilineata de Meijere, 1924.

Figures 14–18. Stegonopsismultilineata de Meijere,1924, male.14.Syntergosternite and epandrium, lateral view; 15.Syntergosternite, anerior view; 16. Epandrium, posterior view; 17. Aedeagal complex, ventral view; 18. Aedeagal complex, lateral view.