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 : 293

Genus Monographis Attems, 1907

Monographis Attems, 1907 ; Nguyen Duy-Jacquemin and Conde, 1967: 68.

Type species: Monographis kraepelini Attems 1907

Diagnosis. Body with 10 segments, 9 pleural projections and a telson; 13 pairs of legs; eight ommatidia in each eye; 8 antennal articles with the VI longest and the VIII shortest article with 4 sensory cones present. Antennal article VI commonly with 3–5 thick bacilliform sensilla positioned amongst 12–20 sensilla, arranged in either (1) a simple crescent-shape with anterior sensilla longer than posterior ones ( M. kraepelini , M. annandalei , M. demangei and M. mira and M. baihualingensis ) or (2) forming a triangular shaped ( M. tamoyoensis , M. yunnanensis , M. queenslandica and M. dongnaiensis ). A row of minute backward-pointing setae present along posterior margin of labrum. Anterior margin of the labrum with acute triangular shaped setae (found in M. kraepelini ) or slender setae, either covering its full length (found in M. kraepelini , demangei and M. baihualingensis ), located only near the median cleft (found in M. mira ) or totally absent (in case of M. tamoyoensis ). Lateral palp of gnathochilarium 1.25 or 1.5 times longer than medial palp and with 9–11 conical sensilla. Tergal trichomes arranged in two lateroposterior groups connected by a marginal row, with a central gap. A strong spine present on tarsus 2, another spine being shorter and smaller on tarsus 1. Coxal glands present on the 8th and 9th coxa.