Scolopendrelloides

Camacho, Miguel Domínguez, 2010, New insights on the genus Scolopendrelloides Bagnall 1913 (Scutigerellidae, Symphyla) with descriptions of two new species, Zootaxa 2558, pp. 48-60 : 57

Key to the species of Scolopendrelloides

1. Styli proportionately short, only 1.5–1.75 times as long as wide with a rather broad base ......................................... 2

- Styli proportionately large, more than 1.75 times as long as wide and digitiform ....................................................... 4

2. Posterior emargination of tergite 2 curved .............................................................................................. S. crassicornis

- Posterior emargination of tergite 2 angular ..................................................................................................................3

3. Posterior processes of tergite 2 lobed ......................................................................................................... S. pauperata

- Posterior processes of tergite 2 pointed ............................................................................................................. S. bifida

4. At least tergite 12 with two macrochaetae.................................................................................................................... 5

- Tergites 12 and 14 with only one macrochaeta.............................................................................................................7

5. Pairs of legs 10, 11 and 12 of females without splinter-like setae on the ventral side of the tarsus............. S. producta

- Pairs of legs 10, 11 and 12 of females with two rows of splinter-like setae on the ventral side of the tarsus.............. 6

6. Pointed posterior projections of the tergites protruding. Two protruding spines beneath the trichobotria’s pit, one of them curved.............................................................................................................................................. S. congolensis

- Pointed posterior projections of the tergites somewhat rounded. No protruding spine beneath the trichobria’s pit ...... ...................................................................................................................................................... S. pseudocongolensis

7. Styli of leg 12 at least 5 times as long as wide. Antero-lateral macrochaeta of tergites 2 and 3 shorter or as long as postero-lateral macrochaeta ......................................................................................................................... S. angulosa

- Styli of leg 12 maximal 2.5 times as long as wide. Macrochaeta of tergites 2 and 3 distinctly longer than postero-lat- eral macrochaeta ........................................................................................................................................................... 8

8. Tergite 14 with two lateral macrochaetae. Posterior margin of tergites deeply emarginated. Inner protruding spine beneath trichobothria’s pit curved .................................................................................................................... S. tenella

- Tergite 14 with only one macrochaeta. Posterior margin of tergites slightly emarginated. Inner protruding spine beneath trichobothria’s pit straight................................................................................................................................ 9

9. Setae on the ventral side of tarsus of leg 12 short and scattered ................................................................ S. elgolensis

- Setae on the ventral side of tarsus of leg 12 protruding and arranged in a row ............................................... S. dolosa