Phortica eparmata (Okada, 1977)

Zhu, Lin, Cao, Huiluo & Chen, Hongwei, 2018, Phortica eparmata species complex (Diptera, Drosophilidae) from the Oriental Region, with DNA barcoding information of Chinese species, European Journal of Taxonomy 403, pp. 1-18 : 14-15

Key to all species of the Phortica eparmata species group

Adults (males)

1. Anepisternum lacking setulae ……………………………other species of the subgenus Phortica

– Anepisternum with setulae ……………………………………………… eparmata complex …… 2

2. Aedeagal median rod not expanded subapically (as in Chen et al. 2007, fig. 29); anterior branch of aedeagal basal bridge with ca. 10 acute projections along margin (as in Chen et al. 2007, fig. 29) …………………………………………………………………… P. lanuginosa Chen & Toda, 2007

– Aedeagal median rod expanded subapically ( Fig. 2D, F ); anterior branch of aedeagal basal bridge lacking acute projections ……………………………………………………………………………3

3. Arista lacking ventral branch ………………………………………………………………………4

– Arista with ventral branch(es) ………………………………………………………………………5

4. Paramere submedially pubescent and expanded to two strong branches (as in Chen et al. 2005, fig. 7C) …………………………………………………………… P. latipenis Chen & Gao, 2005

– Paramere lacking pubescence, slightly bifurcated apically (as in Chen et al. 2005, fig. 8C) …………………………………………………………………… P. setitabula Chen & Wen, 2005

5. Paramere with one expanded, suberect lobe-like process submedially ( Fig. 2D, F ) ……………… …………………………………………………………………………………… P. jadete sp. nov.

– Paramere lacking expanded, suberect lobe-like process …………………………………………6

6. Paramere much expanded medially (as in Chen et al. 2005, fig. 9C; Chen et al. 2007, fig. 34) …7

– Paramere not expanded medially; aedeagal median rod lacking acute projections ………………8

7. Paramere lacking process (as in Chen et al. 2007, fig. 34); aedeagal median rod with one pair of small acute projections submedially (as in Chen et al. 2007, fig. 33) … P. zeta Chen & Toda, 2007

– Paramere with one small triangular process (as in Chen et al. 2005, fig. 9C); aedeagal median rod lacking projection submedially ………………………………… P. unipetala Chen & Wen, 2005

8. Posterior branch of paramere slender, neither process nor projection ( Fig. 3D ) ………………9

– Posterior branch of paramere thick, with process or projection ………………………………10

9. Paramere mostly yellow, bifurcated from distal ¼, the anterior branch with three pointed teeth apically ( Fig. 3D ); pleura mostly dark brown to black …………………………… P. kava sp. nov.

– Paramere nearly black, bifurcated submedially, the anterior branch lacking teeth (as in Toda & Peng 1992, fig. 16); pleura mostly orange to orange brown ………… P. bipartita ( Toda & Peng, 1992)

10. Paramere strongly sclerotized distally or apically ( Figs 4C , 6C ) ………………………………11

– Paramere not black ………………………………………………………………………………12

11. Paramere deeply bifurcated distally, anterior branch truncate, with three teeth apically ( Fig. 4C ) ………………………………………………………………………………….. P. mengda sp. nov. Paramere not bifurcated distally, anterior branch pointed, lacking teeth apically ( Fig. 6C ) …… …………………………………………………………………………………… P. yena sp. nov.

12. Paramere bifurcated distally ( Fig. 5C ); aedeagal median rod without processes subapically …13

– Paramere not bifurcated distally (as in Chen et al. 2005, fig. 10C); aedeagal median rod with a pair of triangular processes subapically (as in Chen et al. 2005, fig.10C) … P. pangi Chen & Wen, 2005

13. Posterior branch of paramere with one triangular process submedially, slender distally ( Fig. 5C ) ……………………………………………………………………………… P. wongding sp. nov.

– Posterior branch of paramere with one quadrate process submedially, broadened distally (as in Okada 1977, fig. 3B) ………………………………………………… P. eparmata ( Okada, 1977)

Figures

Fig. 2. Phortica (Phortica) jadete sp. nov., ♂. A. Arista. B. Epandrium and cercus (lateral view). C. Surstylus (frontal view).D. Hypandrium, paramere, aedeagus and aedeagalapodeme (lateral views). E. Paramere (frontal view). F. Tip of aedeagal median rod (ventral view). Scale bars = 0.1 mm.

Fig. 3. Phortica (Phortica) kava sp. nov., ♂. A. Arista. B. Epandrium and cercus. C. Surstylus. D. Hypandrium, paramere, aedeagus and aedeagalapodeme. Scale bars = 0.1 mm.

Fig. 6. Phortica (Phortica) yena sp. nov., ♂. A. Epandrium and cercus; B. Surstylus; C. Hypandrium, paramere, aedeagus and aedeagal apodeme. Scale bars = 0.1 mm.

Fig.4.Phortica(Phortica)mengdasp.nov.,♂.A.Epandrium andcercus.B. Surstylus.C. Hypandrium, paramere, aedeagus and aedeagal apodeme. Scale bars = 0.1 mm.

Fig.5.Phortica(Phortica)wongdingsp.nov.,♂.A.Epandriumandcercus;B.Surstylus;C.Hypandrium, paramere, aedeagus and aedeagal apodeme. Scale bars = 0.1 mm.