Drosophila saltans Sturtevant, 1916

Roman, Bruna Emilia & Madi-Ravazzi, Lilian, 2021, Male terminalia morphology of sixteen species of the Drosophila saltans group Sturtevant (Diptera, Drosophilidae), Zootaxa 5061 (3), pp. 523-544 : 525

Drosophila saltans Sturtevant, 1916

( Fig. 2 )

Non-type material. Strain S 4 (San Jose, Costa Rica): 60 males dissected .

Male terminalia. The hypandrium of this species is very similar to that of D. prosaltans , however, the median gonocoxites, where the hypandrial bristles are inserted, are more rounded, in addition to being smoother and slightly grooved ( Fig. 2A, B ). In the phallus, the aedeagal apex ( Fig. 2A–E ) is more flattened than D. prosaltans ; it displays longer bristles-like structures ( Fig. 2E ), instead of scales ( D. prosaltans ), projecting a punctiform region due to the number of long bristles. The aedeagal sheath is smooth, with a strongly serrated edge ( Fig. 2C–E ). The aedeagal ventral processes ( Fig. 2B, C, E ) are short and curved backward. The ventral postgonites are long and extend in parallel across the ventral region of the aedeagus ( Fig. 2B, C, E ). The pregonites are elongated and curved inward; they extend from the insertion of the phallapodeme to the middle ventral region of aedeagus and each pregonite carries two smaller bristles ( Fig. 2C ).

Figures

FIGURE 2. Scanning electron micrographs of D. saltans male terminalia. (A) Lateral view of terminalia (505 x magnification). (B) Ventral view of aedeagus and hypandrium (594 x magnification). (C) Lateral view of aedeagus and phallapodeme (620 x magnification). (D) Dorsal view of terminalia (501 x magnification). (E) Dorsal view of aedeagus (1.360 x magnification). The imagens are from S4 strain. Abbreviations in Table 1.