Endotribelos

Trivinho-Strixino, Susana & Pepinelli, Mateus, 2015, A systematic study on Endotribelos Grodhaus (Diptera: Chironomidae) from Brazil including DNA barcoding to link males and females, Zootaxa 3936 (1), pp. 1-41 : 2-3

Key to male imagines of Endotribelos

1. Wings with several setae on M........................................................................... 2

- Wing without setae on M............................................................................... 3

2. Mid tibiae with 2 spurs; base of superior volsella setose..................................... E. redimiculum Qi et al.

- Mid tibiae with 1 spur; base of superior volsella bare....................................... E. hesperium (Sublette)

3. Dark brown bands present on abdominal segments III, IV, VI and VII............ E. callophylli Roque & Trivinho-Strixino

- Abdominal segments not as above........................................................................4

4. Base of superior volsella setose........................................................................... 5

- Base of superior volsella bare............................................................................ 6

5. Base of superior volsella large, with 6 basal setae............................. E. talaumae Roque & Trivinho-Strixino

- Base of superior volsella short, with 3 basal setae............................................... E. jaragua sp. n.

6. Thorax without dark brown stripe on scutum................................................................7

- Thorax scutum with some dark brown spot................................................................. 8

7. Anal point longer than inferior volsella......................................................... E. jiboia sp. n.

- Anal point shorter than inferior volsella............................................... E. albatum Sublette & Sasa

8. Thorax with brown mesonotal stripes..................................................................... 9

- Thorax not as above.................................................................................. 10

9. Prescutal area of thorax with short brown triangular spot; wing> 2.00 mm; mid tibiae with 2 spurs......... E. bicolor sp. n.

- Prescutal area not as above; wing <2.00 mm; mid tibiae with 1 spur................................ E. sublettei sp. n.

10. Anal point more or less parallel-sided..................................................................... 11

- Anal point apically swollen............................................................................. 12

11. Superior volsella with 3 basal setae; fore tibiae without spine at apex.................. E. ficus Roque & Trivinho-Strixino

- Superior volsella with 4 basal setae; fore tibiae with one short spine at apex.......................... E. fulvidus sp. n.

12. Mid tibiae with 2 spurs........................................................... E. grodhausi Sublette & Sasa

- Mid tibiae with 1 spur.................................................................................13

13. Fore tibia with one short spine at apex..................................................... E. semibruneus sp. n.

- Fore tibia without spine at apex............................................ E. euterpe Roque & Trivinho-Strixino