Monographis, Attems, 1907

Huynh, Cuong, 2018, Two new species of penicillate millipedes (Diplopoda, Polyxenidae) from Phu Quoc Island in southern Vietnam, Zootaxa 4402 (2), pp. 283-302 : 300

Key to species of the genus Monographis

( Monographis mira and M. annandalei had insufficient characters included in descriptions published by Turk (1947) and Silvestri (1948) unavailable for use in this key)

1 Antennal article VI with sensilla forming a crescent shape..................................................... 2

- Antennal article VI with sensilla forming a triangular shape.................................................... 5

2 Bacilliform sensilla more than 10 anteriorly, anterior margin of labrum with a row of acute triangular shaped setae................................................................................................... M. kraepelini

- Bacilliform sensilla less than 10 anteriorly, anterior margin of labrum with a row of slender setae......................3

3 7 bacilliform sensilla present anteriorly...................................................... M. baihualingensis

- 9 bacilliform sensilla present anteriorly....................................................................4

4 Anterior setiform process half of length of claw................................................. M. phuquocensis

- Anterior setiform process longer than claw....................................................... M. demangei

5 With 3 internal bacilliform sensilla............................................................ M. yunnanensis

- With 5 internal bacilliform sensilla....................................................................... 6

6. Telotarsus robust.......................................................................... M. tamoyoensis

- Telotarsus slender..................................................................................... 7

7 Anterior setiform process longer than the claw............................................... .. M. queenslandica

- Anterior setiform process equal the claw..................................................... .. M. dongnaiensis