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 : 3

Key to larvae of Endotribelos

1. Mentum with odd number of teeth; median tooth shorter than 1st lateral........................................... 2

- Mentum with even number of teeth; median teeth shorter or sub-equal than 1st lateral................................ 5

2. Mentum with 11 or 13 teeth............................................................................. 3

- Mentum with 15 teeth.................................................................................. 4

3. Mentum with median tooth slightly sutured; 6th lateral tooth separated from the other lateral teeth...... E. semibruneus sp. n.

- Median tooth not sutured; 6th lateral tooth not separated.............................................. E. hesperium

4. Median tooth slightly sutured as long as 1st lateral............................................... E. sublettei sp. n.

- Median tooth not sutured and shorter than 1st lateral................................................ E. sp. duke 1

5. Mandible with 3 inner teeth partially covered by lateral extension of dorsal tooth............................ E. euterpe

- Inner teeth of mandible not covered by dorsal tooth...........................................................6

6. Mandible with 2 inner teeth............................................................................. 7

- Mandible with 3 or 4 inner teeth.......................................................................... 8

7. Mandible with a large concavity posterior to basal inner tooth; mentum with 14 teeth....................... E. talaumae

- Mandible without the concavity posterior to basal inner tooth; mentum with 10 teeth...................... E. sp. duke 2

8. Mandible with 3 inner teeth..................................................................... E. albatum

- Mandible with 4 inner teeth............................................................................. 9

9. Mentum with 12 or 14 teeth............................................................................ 10

- Mentum with 16 teeth.................................................................................13

10. 4th inner tooth of mandible separated from others inner teeth by a little gap............................. E. jiboia sp. n.

- 4th inner tooth of mandible not separated from others inner teeth................................................ 11

11. Labral sclerite 2 with a median horseshoe-shaped depression; mentum with 12 teeth....................... E. sp. kleine

- Labral sclerite 2 not as above; mentum with 14 teeth......................................................... 12

12. Median teeth of mentum shorter than 1st lateral; 2nd lateral teeth very short and partially fused with 1st laterals.... E. calophylli

- Median teeth slightly shorter than 1st lateral; 2nd lateral teeth not fused with 1st laterals...... E. grodhausi ; E. jaragua sp. n.

13. Antenna with large Lauterborn organs partially covering the 3rd segment; mentum with short median teeth; 2nd lateral teeth smaller than the 1st and 3rd.................................................................... E. sp. anhumas

- Antena and mentum not as above........................................................................14

14. 2nd lateral teeth of the mentum shorter than the 3rd................................................ E. bicolor sp. n.

- 2nd lateral teeth of the mentum slightly or as long as the 3rd laterals.............................................. 15

15. AR <1; mentum short, <130 µm.................................................................... E. ficus

- AR> 1; mentum wider,> 200 µm........................................................... E. fulvidus sp. n.