Limnellia Malloch

Costa, Daniel N. R., Savaris, Marcoandre, Marinoni, Luciane & Mathis, Wayne N., 2016, Two new, brachypterous Limnellia species from the Venezuelan Andes (Diptera: Ephydridae), Zootaxa 4144 (3), pp. 301-315 : 304

Key to Neotropical species of Limnellia Malloch

1. Thorax and abdomen generally shiny black, head yellow or black; wing conspicuously brachypterous ( Figs 7, 8 , 28 , 36 ). Ocelli and ocellar setae lacking................................................................................ 2

- Generally dark brown to cinereous species; wing normally developed, maculate; ocelli and ocellar setae evident.......... 3

2. Head shiny black; head and thorax with minute setae; tarsi entirely light brown.............. L. vounitis Costa, et al. n.sp.

- Head shiny yellow; setae of head and thorax long, conspicuous; tarsi light brown with apical 2 tarsomeres dark....................................................................................... L. flavifrontis Costa, et al. n.sp.

3. Face entirely grayish; tarsi light yellow, contrasting with black tibiae.............................. L. huachuca Mathis

- Face grayish to brownish, thin gray stripe along oral and lateral margins including antennal fovea, central area brown; tarsi usually dark brown, concolorous with tibiae................................................... L. itatiaia Mathis

Figures

FIGURES 1 ‒ 8, 7. Adult of Limnellia vounitis n. sp. (1 – 2, 7) Male holotype (Venezuela. Trujillo: Bocon, La Cristalina (Andes; 9 ° 14.7 ′ N, 70 ° 19.1 ′ W; 2500 m). (1) Body, dorsal view. (2) Same, lateral view. (3 ‒ 4). Female paratype (3) Body, dorsal view. (4) Same, lateral view. (7) Male right wing. Figures 5 – 6, 8. Adult paratype of Limnellia flavifrontis n. sp. (5 ‒ 6, 8) (Venezuela. Mérida: Mérida, Sierra Nevada National Park (Laguna Negra; 8 ° 47.1 ' N; 70 ° 48.4 ' W; 3300 m )). (5) Male body, dorsal view. (6) Same, lateral view. (8) Male right wing. Scale bar Figs. 1 ‒ 6 = 1.0 mm; Figs. 7 ‒ 8 = 0.1 mm.

FIGURES 24 ‒ 29. Limnellia vounitis n. sp., male holotype. (24) Body, dorsal view. (25) Thorax, dorsal view. (26) Detail of frons, left side, dorsal view. (27) Pseudopostocellar setae, dorsal view. (28) Left wing, dorsal view. (29) Male Terminalia, ventral view. Scale bar on figures.

FIGURES 30 ‒ 37. Limnellia flavifrontis n. sp., male paratype. (30) Body, lateral view. (31) Body, dorsal view. (32) Head, anterior view. (33) Detail of arista. (34) Frons, dorsal view. (35) Thorax, lateral view. (36) Right wing, dorsolateral view. (37) Midapical tarsomere. Scale bar on figures.