Tuberculobasis

Machado, Angelo B. M., 2009, Denticulobasis and Tuberculobasis, new genera close to Leptobasis, with description of ten new species (Odonata: Coenagrionidae)., Zootaxa 2108, pp. 1-36 : 15

Key to males of Tuberculobasis

(Male of T. cardinalis unknown)

1. Paraproct subequal or slightly longer than cercus ( Figs 79, 82, 85 ). Mesepisternal tubercles mamiliform and low (<0.82 mm) ( Figs 36, 38, 40, 42, 44 )............................................................................................................................ 2

1´. Paraproct much longer than cercus ( Figs 57–58, 60–61, 64 , 67). Mesepisternal tubercles not mammiliform and high (>1.41 mm: Figs 26, 28, 30, 32, 34 , 46 ) ....................................................................................................................... 6

2. Mesepisternal tubercle in dorsal view tear-shaped, tapering to a fine tip antero-distally ( Fig. 37 ). Mesostigmal plates curved and directed anteriorly ( Fig. 37 ) Rondônia State, Brazil................................................................. T. karitiana

2´. Mesepisternal tubercles not tear-shaped. Mesostigmal plates straight ( Figs. 35, 39, 41, 43, 45 ) ............................... 3

3. Hind part of dorsum of S10 elevated ( Fig. 77 ). Median lobe of hind prothoracic lobe as broad as lateral lobes taken together ( Fig. 35 ). Mesepisternum with metallic luster Suriname................................................................ T. geijskesi

3´. Hind part of dorsum of S10 not elevated ( Fig. 80, 83, 86 ). Median lobe of hind prothoracic lobe narrower than lateral lobes taken together ( Figs 41, 43 ). Mesepisternum lacking metallic luster........................................................... 4

4. Medial margin of cercus in posterior view with a distinct dorsal lobe making the ventral part of medial margin appear markedly concave ( Fig. 86 ) Venezuela, Brazil............................................................................... T. yanomami

4´. Medial margin of cercus in posterior view almost straight with no dorsal lobe ( Fig. 83 ) or with only a small one ( Fig. 80 ), with ventral part of medial margin slightly convex to slightly concave................................................................ 5

5. Ventral process of cercus in lateral view a triangular plate tapering ventrally into a fine straight tip ( Fig. 82 ). Penis ( Fig. 92 ) with proximal lateral lobe digitiform. Pará State, Brazil...................................................................... T. tirio

5´. Ventral process of cercus in lateral view digitiform with tip blunt and slightly curved anteriorly ( Fig. 79 ). Penis ( Fig. 91 ) with proximal lateral lobe triangular. Brazil, Venezuela. .................................................................. T. mammilaris

6. Mesepisternal tubercles with their bases well separated from mid-dorsal carina; lateral lobes of hind prothoracic lobe well developed ( Fig. 45 ). Roraima State, Brazil...................................................................................... T. macuxi

6´. Mesepisternal tubercles with their bases adjacent to mid-dorsal carina; lateral lobes of hind prothoracic lobe poorly developed or absent ( Figs 25, 27, 29, 31, 33 ) ............................................................................................................... 7

7. Mesepisternal tubercles subparallel ( Figs 31, 32 ) with the anterior border connected with mesostigmal plate by a vertical curved plate ( Fig. 31 ). Amazonas, Pará, and Rondônia States, Brazil.............................................. T. inversa

7´. Mesepisternal tubercles strongly divergent ( Figs 25, 27, 29, 33 ) with anterior border not connected with mesostigmal plate by a vertical curved plate ( Figs 25–30, 33, 34 ) ............................................................................................ 8

8. Cercus in posterior view ( Fig. 74 ) with a dorsolateral semilunar cavity limited by a denticulated border. Colombia and Venezuela.............................................................................................................................................................. 8.

8`. Cercus in posterior view ( Figs. 59, 62, 65 ) with no dorsolateral semilunar cavity ...................................................... 9

9. Ventral process of cercus in posterior view digitiform with medial margin curved ( Fig. 62 ). SE Brazil. T. costalimai

9´. Ventral process of cercus in posterior view subtriangular with medial margin straight ( Figs. 59, 65 ) ...................... 10

10. Mesepisternal tubercles, high (2.36 mm), with the apex subtruncated ( Fig. 25 ). Dorsal lip of medin lobe of hind prothoracic lobe slightly elevated, medially fused with ventral lip ( Fig. 25 ). Anterior margin of mesostigmal plate with a median depression ( Fig. 25 ). Rondônia State, Brazil...................................................................................... T. arara

10´. Mesepisternal tubercles very high (2.83 mm), conical with the apex not subtruncated, directed laterally ( Fig. 29 ). Dorsal lip of hind prothoracic lobe not elevated nor fused with ventral tip ( Fig. 29 ). Anterior margin of mesostigmal plate with no median depression ( Fig. 29 ). São Paulo State, Brazil.............................................................. T. guarani

Figures

FIGURES 78 – 86. Tuberculobasis, male, anal appendages in dorsal, lateral, and posterior view: T. mammilaris, lectotype (78 – 80); T. tirio, holotype (81 – 83); T. yanomami, holotype (84), paratype (85 – 86) [78 – 80, 85 – 86 by R. W. Garrison].

FIGURES 35 – 46. Tuberculobasis, male thorax in dorsal and lateral view: T. geijskesi, holotype (35, 36); T. karitiana, holotype (37, 38); T. mammilaris, Venezuela (39, 40); T. tirio, holotype (41, 42); T. yanomami, paratype (43, 44); T. macuxi, holotype (45, 46).

FIGURES 57 – 65. Tuberculobasis, male appendages in dorsal, lateral, and posterior view: T. arara, holotype (57 – 59); T. costalimai, paratypes (60 – 62); T. guarani, holotype (64, 65), T. inversa holotype in dorsal (63), dorso-lateral (66), and lateral (68) views. T. inversa, Tefé, Amazonas State, in postero-lateral (68) view [66, 67 by R. W. Garrison].

FIGURES 25 – 34. Tuberculobasis, male thorax in dorsal and lateral view in T. arara, holotype (25, 26); T. costalimai, holotype (27, 28); T. guarani, holotype (29, 30); T. inversa, holotype (31, 32); T. williamsoni, holotype (33, 34).

FIGURES 69 – 77. Tuberculobasis male, anal appendages in dorsal, lateral, and posterior views: T. macuxi, holotype (69 – 71); T. williamsoni, holotype (72 – 74); T. geijskesi, holotype (75 – 77).

FIGURES 87 – 94. Penis in lateral and ectal views: D. dunklei, holotype (87); D. garrisoni, holotype (88); T. costalimai, paratype (89); T. geijskesi, holotype (90); T. mammilaris, lectotype (91); T. tirio, paratype (92); T. williamsoni, paratype (93); Leptobasis vacillans, Panamá (94) [91 by R. W. Garrison].