Phortica (Allophortica) chingolaensis Chen & Máca, 2012

Chen, Hongwei & Máca, Jan, 2012, Ten new species of the genus Phortica from the Afrotropical and Oriental regions (Diptera: Drosophilidae), Zootaxa 3478, pp. 493-509 : 494-495

Phortica (Allophortica) chingolaensis Chen & Máca , sp. nov.

( Figs 1–3 )

Diagnosis. This species is similar to P. sexpunctata (Séguy, 1938) from Kenya in the male terminalia, but can be differentiated from it by having the surstylus strongly protruded basally ( Fig. 2 ), the paramere basally bifurcated: outer lobe strongly sclerotized, apically hooked, basally with 3 acute projections ( Fig. 3 ), and the median rod of aedeagus with tripartite processes basally ( Fig. 3 , aed pr).

Description. Frons brown above, yellow below, with a few thin, sparse interfrontal setae. Pedicel yellow; first flagellomere grayish yellow. Face entirely yellow; facial carina slightly protruded above. Clypeus yellow medially, darkened laterally. Thorax yellowish brown, with dark brown patches and pollinose pattern. Scutellum brownish, with 2 black patches; subscutellum not protruded. Legs yellow, with black patch on each femur and 3 dark brown rings on each tibia. Abdominal first tergite yellow, with 2 brown patches submedially; second tergite yellowish, with 2 triangular black patches sublaterally; third to fifth tergites yellowish, each with medially and laterally protruded black band on posterior margin, and a pair of yellowish patches near lateral margins; sixth tergite broadly black, narrowly yellow along posterior margin. Male terminalia: Epandrium lacking pubescence anteroventrally, with 7 setae on dorsal to posterolateral portion per side ( Fig. 1 ). Surstylus with dense pubescence and ca. 9 thick setae basally, with 1 regular row of ca. 15 prensisetae apically ( Fig. 2 ). Vertical process of gonopods slightly broadened and protruded apicomedially ( Fig. 3 ). Aedeagus: median rod broadened and slightly sclerotized ( Fig. 3 ); outer membrane developed.

Measurements. BL = 3.34 mm in holotype (3.35 mm in 13 paratype), ThL = 1.48 mm (1.50 mm), WL = 3.10 mm (3.13 mm), WW = 1.26 mm (1.25 mm), arb = 7/3 (6-7/3-4), avd = 0.95 (1.00), adf = 2.00 (1.90), flw = 1.80 (1.85), FW/HW = 0.40 (0.40), ch/o = 0.06 (0.06), prorb = 1.00 (1.05), rcorb = 0.40 (0.45), vb = 0.20 (0.20), dcl = damaged, presctl = 0.95 (damaged), sctl = damaged, sterno = damaged, orbito = 1.80 (1.85), dcp = 0.27 (0.28), sctlp = 1.10 (1.10), C = 1.95 (2.00), 4c = 1.06 (1.12), 4v = 1.54 (1.56), 5x = 0.87 (0.85), ac = 3.24 (3.13), M = 0.35 (0.38), C3F = 0.64 (0.60).

Type material. Holotype 3 ( NMP) and paratypes 33 (13 in NMP; 23 in SCAU, Nos 120958, 121459), ZAMBIA: West Chingola, Northwest 50 km, 1-2.i.2003, J Halada.

Distribution. Zambia (Chingola).

Etymology. Pertaining to the type locality.

Figures

FIGURES 1 – 3. Phortica (Allophortica) chingolaensis Chen & Máca, sp. nov., male terminalia: 1. Epandrium (epand) and cercus (cerc) (lateral view); 2. surstylus (ventral view); 3. hypandrium (hypd), paramere (pm), gonopods (gon), aedeagal median rod (aed) and aedeagal apodeme (aed a) (lateral view) (all scale lines = 0.1 mm through this paper).