Stegana (Steganina) nigripalpula Cui & Chen

WANG, YA-LIAN, LI, BING-XUE, CUI, MENG-DI, ZHANG, YUAN, WANG, LE, ZHANG, CAI-HONG, TSAUR, SHUN-CHERN, CHEN, HONG-WEI & HUANG, JIA, 2023, Revision of the subgenus Stegana (Steganina) from China, with assessment of species delimitation using DNA barcodes (Diptera, Drosophilidae), Zootaxa 5250 (1), pp. 1-109 : 48

publication ID

https://doi.org/ 10.11646/zootaxa.5250.1.1

publication LSID

lsid:zoobank.org:pub:4729EAF3-8B78-4AAD-B373-9179D008F239

DOI

https://doi.org/10.5281/zenodo.7705537

persistent identifier

https://treatment.plazi.org/id/0393914C-2A0D-8757-C282-FD7269B0FEA6

treatment provided by

Plazi

scientific name

Stegana (Steganina) nigripalpula Cui & Chen
status

sp. nov.

Stegana (Steganina) nigripalpula Cui & Chen View in CoL , sp. nov.

( Figs. 5C, 5D View FIGURE 5 , 20G–I View FIGURE 20 )

Diagnosis. This species differs from the other species of the ornatipes species group in having the large and black palpus ( Fig. 5D View FIGURE 5 ); the first flagellomere entirely black.

Description. Female: Frons entirely black. Face black, with 1 yellow band medially; facial carina absent. Clypeus black. Mesonotum and scutellum dark brown ( Fig. 5C, D View FIGURE 5 ). Katepisternum dark brown above, yellowish to yellow below ( Fig. 5D View FIGURE 5 ). Halter mostly black. Fore femur with 3 long setae on distal half of posteroventral surface. All abdominal tergites black medially, dark brown laterally ( Fig. 5C, D View FIGURE 5 ); sternites brown, about 3 times as wide as long. Female terminalia ( Fig. 20G–I View FIGURE 20 ): Epiproct and cercus lacking pubescence ( Fig. 20G View FIGURE 20 ). Eighth sternite about 2 times as wide as long, glabrous on basal 2/3 portion, with numerous prensisetae near posterior margin ( Fig. 20H View FIGURE 20 ). Hypoproct with numerous setae and much pubescence ( Fig. 20I View FIGURE 20 ).

Measurements and indices. BL = 2.65 mm in holotype, ThL = 1.33 mm, WL = 2.61 mm, WW = 1.09 mm, arb = 8/6, avd = 0.73, adf = 1.56, flw = 2.83, FW/HW = 0.35, ch/o = 0.11, prorb = 0.95, rcorb = 0.74, vb = 0.57, dcl = 0.59, presctl = 0.67, sctl = damaged, sterno = 0.62, orbito = 1.62, dcp = 0.27, sctlp = 1.46, C = 1.79, 4c = 1.14, 4v = 1.45, 5x = 1.11, ac = 8.00, M = 0.61, C3F = 0.62.

Type material. Holotype ♀ ( SCAU, No. 125416, DNA #1876, 2787), CHINA: Wangtianshu, Mengla , Yunnan, 21°36'09''N, 101°35'06''E, alt. 570m, 29.ix.2011, ex tree trunk, H.W. Chen. GoogleMaps

Distribution. China (Yunnan).

Etymology. A combination of the Latin words " niger " (= black) and " palpulus '' (= palpus), referring to the black palpus.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Drosophilidae

Genus

Stegana

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