Hyleoglomeris

Likhitrakarn, Natdanai, Golovatch, Sergei I. & Panha, Somsak, 2015, Three new species of the pill millipede genus Hyleoglomeris Verhoeff, 1910, from northern Thailand (Diplopoda, Glomerida, Glomeridae), Zootaxa 4044 (1), pp. 130-140 : 138-139

Key to the species of Hyleoglomeris currently known to occur in Thailand, chiefly based on male characters:

1. Thoracic shield and pygidium cream-brown, each with a pair of dark spots, not contrasting with cream-brown segments 3–11............................................................................................ H. siamensis

- Thoracic shield and pygidium without a pair of contrasting dark spots............................................ 2

2. Background coloration of terga 3–11 dark with lighter pattern/markings.......................................... 4

- Background coloration of terga 3–11 yellowish with a contrasting dark pattern..................................... 3

3. Terga 2–11 with contrasting brown bands in caudal parts of terga 2–11 ( Fig. 3 A & C)..................... H. aurea sp. n.

- Terga 3–11 with a contrasting pair of paramedian, dark triangles at caudal margin and a dark axial stripe ( Fig. 3 D & E)............................................................................................. H. cavicola sp. n.

4. Collum dark.......................................................................................... 5

- Collum yellowish to pallid.............................................................................. 6

5. Thoracic shield almost all yellowish to pallid......................................................... H. cremea

- Thoracic shield almost dark with a yellowish posterolateral corner...................................... H. albicollis

6. Thoracic shield almost dark with a thin, yellow-whitish, axial stripe..................................... H. montana

- Thoracic shield almost all yellowish to pallid with a wider axial stripe ( Fig. 1 A–F)............... H. hongkhraiensis sp. n.

Figures

FIGURE 1. Hyleoglomeris hongkhraiensis sp. n., (A – C) male holotype, (D – F) male paratype. Habitus in dorsal, ventral, lateral, dorsal, dorsal and ventral views, respectively. Scale bar: 0.2 mm.

FIGURE 3. Hyleoglomeris aurea sp. n., (A – C) male holotype; Hyleoglomeris cavicola sp. n., (D – F), D male paratype, E & F male holotype, habitus in dorsal, ventral, lateral, dorsal, dorsal and ventral views, respectively. Scale bar: 0.2 mm.