Key to identification for males of Calvariopsis gen. nov.

Please note that Calvaropsis sculptipenne (Pic), with only the female known, is not included in the key.

1. Sternite IX with paired apodemes (Fig. 11D)........................................................ 2 (group I)

-. Sternite IX with a single apodeme (Fig. 21C)....................................................... 9 (group II)

2. Basal half of penis distinctly wider than apical half (Fig. 12A)................................ C. panamense sp. nov.

-. Basal portion of penis as wide as apical half (Fig. 14A) or less than basal 1/3 of penis is slightly wider than apical half (Figs 13A, 15A)...........................................................................................3

3. Penis moderately long, 6× longer than wide (Figs 14A, 15A), with subparallel or subtly sinuate lateral margins............4

-. Penis very long and narrow, more than 8–10× longer than wide (Figs 11A, 13A), widened in basal portion and narrowed in the middle...............................................................................................5

4. Penis with sinuate lateral margins, trigonium narrow, with subparallel sides (Fig. 15A), known only from Venezuela ............................................................................................. C. pittieri sp. nov.

-. Penis with subparallel sides, trigonium wide, subtriangular (Fig. 14A), known only from Bolivia ......... C. picta sp. nov.

5. TL 2.3 mm, median process of tergite VIII not flanked with deep emarginations (Fig. Fig. 11E), known only from French Guiana ........................................................................... C. fourgassiense sp. nov.

-. TL 2.5–3.6 mm, median process of tergite VIII flanked with deep emarginations (Figs 9E, 13E, 17C, 18D), known from Andes

(Peru, Ecuador, Venezuela).............................................................................. 6 6. Median process of tergite VIII short, flanked by deep, semicircular emarginations (Fig. 13E)........ C. peruviana sp. nov.

-. Median process of tergite VIII longer, flanked by shallow and wide emarginations (Figs 9E, 17C, 18D)................. 7

7. Median process of tergite VIII wide, short, M-shaped, emarginations without denticles (Fig. 18D). C. yanayacuense sp. nov.

-. Median process of tergite VIII longer, emarginations covered with denticles........................................8

8. Body oblong oval, with rounded sides (Fig. 1A), TL/EW 1.6, known only from Ecuador ............ C. borowieci sp. nov.

-. Body elongate, with subparallel sides (Fig. 1L), TL/EW 1.8, known only from Venezuela ......... C. venezuelense sp. nov.

9. Last abdominal ventrite with paired tubercles (Figs 3F, 20E)................................ C. bituberculata sp. nov.

-. Last abdominal ventrite without tubercles................................................................ 10

10. Tergite VIII without lateral spines, tegmen without basal apodemes (Figs 25B, 26C)................................11

-. Tergite VIII with lateral spines, tegmen with paired basal apodemes (Figs 20B, 21B, 22B, 23B).......................12

11. Tegmen V-shaped (Fig. 25B), penis not curved in lateral view............................... C. saopaulense sp. nov.

-. Tegmen subrectangular (Fig. 26C), penis curved in lateral view (Fig. 26A)......................... C. wittmeri sp. nov.

12. Tergite VIII with T-shaped emargination in central portion (Fig. 23D)............................. C. kawense sp. nov.

-. Tergite VIII with V-shaped emargination in central portion (Figs 21D, 22C, 24B)...................................13

13. Trigonium of penis shorter, reaching 1/4 of length of penis, penis with subparallel sides (Fig. 21A), emargination of central portion of tergite VIII deep (Fig. 21D)...................................................... C. brasiliense (Pic)

-. Trigonium of penis relatively long, reaching 1/3 of length of penis, penis with curved sides (Figs 22A, 24A), emargination of central portion of tergite VIII shallow (Figs 22C, 24B)....................................................... 14

14. TL 1.7 mm, known from Brazil ............................................................. C. nana sp. nov.

-. TL 2.0 mm, known from Guiana ........................................................ C. guyanense sp. nov.