Newportia, Gervais, 1847

Jiménez, Sebastian Galvis & Chagas-Jr, Amazonas, 2023, Three new centipede species of the genus Newportia Gervais, 1847 from Colombia (Scolopendromorpha, Scolopocryptopidae, Newportiinae), Zootaxa 5361 (3), pp. 323-344 : 341

Identification key for the Colombian species of Newportia

1. Tarsus II of the terminal legs clearly divided into distinct articles................................................ 2

- Tarsus II of the terminal legs not clearly divided into distinct articles............................................ 15

2. Tarsus II of the terminal legs composed of a single segment..... N. shelleyi Tulande-M, Prado, Jiménez, Chagas-Jr., 2020

- Tarsus II of the terminal legs is multisegmented............................................................. 3

3. First tergite with anterior transverse semicircular groove. Coxopleural process present............................... 4

- First tergite without anterior transverse semicircular groove. Coxopleural process absent............... N. anopla sp. nov.

4. Union of the semicircular groove and paramedian grooves forming a ‘W’ on first tergite............................. 5

- Union of the semicircular groove and paramedian grooves does not form a ‘W’ on first tergite........................ 9

5. Femur of the terminal legs with one or more spinous processes................................................. 6

- Femur of the terminal legs without spinous processes............................... N. weyrauchi Chamberlin, 1955

6. First tergite with complete paramedian grooves, extending beyond the semicircular groove and ending at the anterior margin of the same tergite....................................................................................... 7

- First tergite with paramedian grooves that do not extend beyond the semicircular groove....... N. monticola Pocock, 1890

7. Tarsus 1 and 2 of the terminal legs clearly differentiated....................................................... 8

- Tarsus 1 and 2 of the terminal legs not clearly differentiated................................ N. ignorata Kraus, 1955

8. Femur of the terminal legs with two spinous processes. Tarsus 2 with 5-8 segments........... N. fuhrmanni Ribaut, 1912

- Femur of the terminal legs with three spinous processes. Tarsus 2 with 10 segments........... N. simoni Brölemann, 1898

9. Cephalic plate with two short paramedian grooves on its posterior margin....................................... 10

- Cephalic plate smooth, without paramedian grooves....................................... N. pusilla Pocock, 1893

10. Coxoesternal forcipular with some transverse chitinous lines....................... N. adisi Schileyko & Minelli, 1999

- Coxoesternal forcipular smooth......................................................................... 11

11. Prefemur of the terminal legs with a series of 5 or 6 lateral spinous processes. Tarsus 2 with 7 up to segments.................................................................................................. N. florezi sp. nov.

- Prefemur of the terminal legs without lateral spinous processes. Tarsus 2 with 7 or more segments.................... 12

12. First tergite with complete paramedian grooves. Tarsus 2 of the last pair of legs with up to 11 segments........................................................................................... N. l. longitarsis ( Newport, 1845)

- First tergite with incomplete paramedian grooves. Tarsus 2 of the terminal legs with fewer than 11 segments............ 13

13. Prefemur of the terminal legs with a series of 3 ventral spinous processes.......... N. l. guadeloupensis ( Demange, 1981)

- Prefemur of the terminal legs with a series of 4 ventral spinous processes........................................ 14

14. Femur of the terminal legs with two spinous processes. Tarsus 2 with 9-10 segments......... N. l. stechowi Verhoeff, 1938

- Femur of the terminal legs without spinous processes. Tarsus 2 with 6-7 segments......... N. l. tropicalis (Bücherl, 1959)

15. Cephalic plate without paramedian grooves. First tergite with incomplete paramedian grooves..... N. tequendama sp. nov.

- Cephalic plate with long but never complete paramedian grooves. First tergite with complete paramedian grooves....... 16

16. Cephalic plate with a small transverse groove between the paramedian grooves and near the posterior margin. Prefemur of the terminal legs with a series of 6 ventral spinous processes.................................... N. ernsti Pocock, 1891

- Cephalic plate without a transverse groove. Prefemur of the terminal legs with a series of 5 or more ventral spinous processes .................................................................................................. 17

17. Tarsus 2 of the terminal legs in the form of a flagellum, without clearly divided segments. Prefemur with a series of 5 to 9 ventral spinous processes............................................................. N. stolli ( Pocock,1896)

- Tarsus 2 of the terminal legs in the form of a flagellum, but with the last 4 segments clearly divided. Prefemur with a series of 5 ventral spinous processes...................................................... N. albana Chamberlin, 1957