Phortica (Phortica) liukuni Gong & Chen, 2019

Huang, Jia, Gong, Lu, Tsaur, Shun-Chern, Zhu, Lin, An, Keying & Chen, Hongwei, 2019, Revision of the subgenus Phortica (sensu stricto) (Diptera, Drosophilidae) from East Asia, with assessment of species delimitation using DNA barcodes, Zootaxa 4678 (1), pp. 1-75 : 65-66

Phortica (Phortica) liukuni Gong & Chen , sp. nov.

( Fig. 35 )

Diagnosis. This species is somewhat similar to P. psi ( Zhang & Gan, 1986) in the male terminalia, but can be distinguished from the latter by having the aedeagal median rod with 1 pair of lobe-like, distally slender but not bifurcated processes submedially ( Fig. 35C ).

Description. Frons dark black above, brown below. Face brown. Gena and postgena black. Mesoscutum, pleura, and scutellum yellowish brown, with dark brown patches and pollinose pattern. Male terminalia ( Fig. 35 ): Epandrium pubescent anteroventrally, with ca. 7 setae on posterolateral portion per side ( Fig. 35A ). Surstylus basally with pubescence on outer surface, with several wedge-like prensisetae on apical margin and inner surface ( Fig. 35B ). Posterolateral lobe of hypandrium undeveloped and lacking pubescence ( Fig. 35C ). Paramere with sparse pubescence subapically; apical process with 1 sensillum and 3 teeth; medial process somewhat triangular; basal process with 1 sensillum ( Fig. 35C ).

Measurements and indices. BL = 3.20 mm in holotype (range in 3♂ paratypes: 2.80–3.33), ThL = 1.53 mm (1.47–1.67), WL = 3.13 mm (2.13–3.27), WW = 1.13 mm (1.07–1.27), arb = 3/0 (3–4/0), adf = 1.50 (0.80–1.00), flw = 2.00 (1.40–1.50), FW/HW = 0.38 (0.43–0.50), ch/o = 0.13 (0.09–0.17), prorb = 1.19 (0.80–1.17), rcorb = 0.63 (0.42–0.50), vb = 0.60 (0.50–0.60), dcl = 0.50 (0.44–0.60), presctl = 0.56 (0.44–0.50), sctl = 1.13 (1.07–1.46), sterno = 0.60 (0.67–1.33), orbito = 1.43 (1.10–2.00), dcp = 0.28 (0.21–0.32), sctlp = 0.67 (0.50–0.86), C = 2.10 (1.65–2.23), 4c = 1.40 (1.69–1.82), 4v = 2.67 (3.31–3.36), 5x = 1.13 (1.00–1.05), ac = 3.50 (3.14–4.00), M = 0.60 (0.73–0.82), C3F = 0.71 (0.73–0.85).

Type materials. Holotype ♂ ( SCAU, No. 124044), CHINA: Mayanghe, Yanhe , Guizhou, 28°40'37''N, 108°19'33''E, alt. 1100m, 24.v.2012, K. Liu . Paratypes: 3♂ ( SCAU, Nos. 124045–47), same data as holotype .

Distribution. China (Guizhou).

Etymology. Patronym after the collector Mr. Kun Liu (SCAU).

Figures

FIGURE 35. Phortica (Phortica) liukuni Gong & Chen, sp. nov., male. A. Epandrium, surstylus, and cercus (lateral view); B. Surstylus (frontal view); C. Hypandrium, paramere, aedeagus, gonopod, and aedeagal apodeme (lateral view). Scale bars = 0.1 mm.