LikhitrakarnNatdanaiGolovatchSergei I.PanhaSomsakRevision of the Southeast Asian millipede genus Orthomorpha Bollman, 1893, with the proposal of a new genus (Diplopoda, Polydesmida, Paradoxosomatidae) Zookeys29920112011131116110.3897/zookeys.131.1921 Orthomorpha tuberculifera sp. n., variety from Kaeng KhoiFigs 1921Description.

Length 36 mm (♂), 36–37 mm (♀), width of midbody pro- and metazona 3.0 and 4.9 mm (♂), 3.5–3.7 and 5.2–5.5 mm (♀), respectively. Colour pattern same as in the type series of Orthomorpha tuberculifera sp. n., but coloration of alcohol material darker, blackish.

All other characters as in the typical Orthomorpha tuberculifera sp. n. (Figs 19–21), except as follows.

Paraterga less prominent, even midbody ones nearly not produced behind tergal margin (Fig. 19A-E) (Figs 1K–M). Pattern of setigerous tubercles in caudal row on metatergum 19 sometimes as 4+3.

Orthomorpha tuberculifera sp. n., ♂, variety from Kaeng Khoi (A–I) and ♀ (J–L). A, B, J anterior part of body, dorsal, lateral and dorsal views, respectively C, D, K segments 10 and 11, dorsal, lateral and dorsal views, respectively E–G, L posterior part of body, lateral, dorsal, ventral, and dorsal views, respectively H, I sternal cones between coxae 4, subcaudal and sublateral views, respectively.

Orthomorpha tuberculifera sp. n., ♂ variety from Kaeng Khoi. A, B right gonopod, lateral and mesal views, respectively C-F distal part of right gonopod, lateral, mesal, suboral and subcaudal views, respectively. Scale bar: 0.2 mm.

Orthomorpha tuberculifera sp. n., ♂ variety from Kaeng Khoi. A, B left gonopod, mesal and lateral views, respectively. Scale bar: 0.2 mm.

Orthomorpha beaumontii (Le Guillou, 1841), ♀ holotype. A, B segments 2–5, dorsal and lateral views, respectively C, D segments 10 and 11, dorsal and lateral views, respectively E segments 16–20, dorsal view F posterior part of body, ventral view (after Jeekel 1963).

JeekelCAW (1963) Paradoxosomatidae from Borneo (Diplopoda, Polydesmida).Tijdschrift voor Entomologie 106: 205-283.