Key to the males of Diplosmittia Saether

[Adapted from Pinho et al. (2009)]

1. Costa not or barely extended (shorter than RM); USA, Mexico, Costa Rica, St. Lucia, St. Vincent, Venezuela and Colombia (Saether 1981, Figure 13)................................................................ D. harrisoni Saether

- Costal extension well developed......................................................................... 2

2. Gonostylus with three lobes; Brazil (Shimabukuro et al. 2020, Figures 2D–E)...... D. trifida Shimabukuro, Lamas & Pinho

- Gonostylus with two lobes.............................................................................. 3

3. Anal point crested..................................................................................... 4

- Anal point not crested.................................................................................. 7

4. Virga at least as long as gonostylus, with slightly to strongly bulbous base........................................ 5

- Virga comparatively short, with sclerotized base and posterior spines............................................ 6

5. Main lobe of gonostylus truncated fist-shaped, crista dorsalis inconspicuous; Costa Rica (Andersen 1996, Figures 1 –4)......................................................................................... D. beluina Andersen

- Main lobe of gonostylus not truncated; crista dorsalis more prominent; Peru, Venezuela (Saether 1988, Figure 1; Pinho et al. 2009, Figure 7).......................................................................... D. recisus Saether

6. Basal lobe of gonostylus enlarged distally, with apical digitiform projection; Venezuela (Pinho et al. 2009, Figure 5)........................................................................... D. cerayma Pinho, Mendes & Andersen

- Basal lobe of gonostylus not enlarged distally, with rounded apex; Venezuela (Pinho et al. 2009, Figure 3)..................................................................................... D. aragua Pinho, Mendes & Andersen

7. Virga clearly shorter than one-third phallapodeme length, without bulbous base.................................... 8

- Virga longer than one-third phallapodeme length, with bulbous base............................................. 9

8. Inferior volsella absent; Costa Rica (Andersen 1996, Figure 9)................................. D. forficata Andersen

- Inferior volsella distinct; Brazil (Figures 2C and 3A)......................................... D. dracomaris sp. n.

9. At most the tip of the anal point projecting beyond posterior margin tergite IX; Brazil, Venezuela (Pinho et al. 2009, Figure 6D)............................................................... D. plaumanni Pinho, Mendes & Andersen

- Anal point projecting well beyond posterior margin of tergite IX............................................... 10

10. Anal point parallel sided; Dominican Republic (Wiedenbrug & Silva 2016, Figure 1D).... D. caribensis Wiedenbrug & Silva

- Anal point triangular; Brazil (Pinho et al. 2009, Figure 4D)..................... D. boraceia Pinho, Mendes & Andersen