Pseudostegana bipartita, Li & Gao & Chen, 2010

Li, Tong, Gao, Jianjun & Chen, Hongwei, 2010, Six new species of the genus Pseudostegana (Diptera: Drosophilidae) from the Oriental region, Journal of Natural History 44 (23 - 24), pp. 1401-1418 : 1410-1411

publication ID

https://doi.org/ 10.1080/00222931003679584

persistent identifier

https://treatment.plazi.org/id/03D55018-3763-FF87-FE50-66FD3E4801A7

treatment provided by

Felipe

scientific name

Pseudostegana bipartita
status

sp. nov.

Pseudostegana bipartita View in CoL sp. nov.

( Figures 1E,F View Figure 1 ; 2C View Figure 2 ; 5A–E View Figure 5 )

Diagnosis

Paramere distally deeply bifurcated, with one small projection in ventral view ( Figure 5C,D View Figure 5 ); aedeagus apically roundly expanded ( Figure 5C,D View Figure 5 ).

Description

Only important characters are described here.

Head. Ocellar triangle black on upper two-thirds, brown on lower one-third. Frons brownish yellow. Pedicel yellow; first flagellomere greyish black. Face mostly brown. Clypeus dark brown. Gena brown. Palpus brownish black, broad and large in male.

Thorax. Scutum yellow to yellowish brown. Pleura dark brown to black, broadened in male, medially half as wide as long. Katepisternal setae two. Scutellum brownish yellow.

Legs. Yellow.

Abdomen. Tergites glossy black, except for first and second orange yellow medially. Sternites, first and second yellow, but others dark brown.

Male terminalia. Epandrium slightly roundly protruded on ventral margin, with about 11 setae ( Figure 5A View Figure 5 ). Surstylus protruded on antero- and posteroventral corners, with two setae subbasally ( Figure 5A View Figure 5 ). Cercus ventrally round ( Figure 5A,B View Figure 5 ). Basal process of aedeagus slender, apically slightly bifurcated ( Figure 5C,D View Figure 5 ).

Measurements

BL = damaged, ThL = damaged, WL = 2.10 mm, WW = 0.97 mm, arb = 6/1, avd = 0.78, adf = 2.25, flw = 3.00, FW/HW = 0.41, ch/o = 0.08, prorb = 1.00, vb = 0.50, dcl = damaged, sctl = damaged, sterno = damaged, orbito = 0.50, dcp = damaged, sctlp = damaged, C = 1.29, 4c = 2.18, 4v = 3.40, 5x = 0.87, ac = 14.8, M = 0.64, C3F = 0.70.

Type material

Holotype male ( MZB), Indonesia: Padang-Kotagoding , West Sumatra, 0°59′ N, 100°22′ E, altitude 200 m, 4 January 2004, M.J. Toda. GoogleMaps

Etymology

A combination of the Latin words: bi plus partitus, referring to the paramere deeply bifurcated apically.

Distribution

Indonesia (West Sumatra).

MZB

Museum Zoologicum Bogoriense

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Drosophilidae

Genus

Pseudostegana

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