A revision of the Thyropygus allevatus group. Part 1: the T. opinatus subgroup (Diplopoda: Spirostreptida: Harpagophoridae) Author Pimvichai, Piyatida Author Enghoff, Henrik Author Panha, Somsak text Zootaxa 2009 2016 17 50 journal article 10.5281/zenodo.185971 1db39382-b4f0-46fa-ae08-dd5e57e0e26b 1175-5326 185971 Thyropygus inflexus ( Demange, 1989 ) , n. comb. ( Figs. 9 A–E) Cornugonus inflexus Demange, 1989 : 780 Material: HOLOTYPE male THAILAND , Kanchanaburi Province, Sai Yok district, 14° 6ˏ 56˝ N, 99° 8ˏ40˝ E. 16 June 1986 . L. Deharveng leg., ( MNHN ). FIGURE 9. Thyropygus inflexus , holotype, gonopods. A: anterior view, left telopodite removed. B: posterior view, left telopodite removed. C: lateral view. D: left telopodite, anterior view. E: left telopodite, posterior view. Diagnosis: A species of the opinatus subgroup. Spatulate lobe ( sl ) at the apical part of telopodite expanded, smooth and without a spine. Similar in this respect to T. bearti , T. chelatus , T. cristagalli , T. brachyacanthus , T. loxia and T. bispinus . Differs from the first five of these species by the mesal process of the anterior coxal fold ( amp ) being longer than the lateral process of anterior coxal fold ( alp ). Particularly similar to T. bispinus , differing from it by alp apically with a crest extending caudad and ending in a small spine ( Fig. 9 C, arrow), amp apically irregularly tuberculate, the absence of telopodite lobe ( lo ), and having a small spine ( ss ) at base of apical part, opposite the origin of tibial spine. Description: Adult male with 69 podous rings, no apodous rings. Length ca. 13 cm (broken), width ca. 7.0 mm. Color in life unknown; preserved specimen with prozona, epiproct, and paraprocts whitish-brown, Head, antennae, legs, metazona, tip of epiproct, margins of paraprocts, and hypoproct brown. Gonopods ( Figs. 9 A–E): Anterior coxal fold ( ac ) ( Fig. 9 A): lateral process ( alp ) long, slender, regularly curved, in anterior view sickle-shaped, apically with a crest extending caudad and ending in a small spine ( Fig. 9 C, arrow); mesal process ( amp ) slightly longer than lateral process ( alp ), protruding from middle of mesal margin of ac , apically irregularly tuberculate. Posterior coxal fold ( pc ) ( Fig. 9 B) basally with moderately high lateral paracoxites ( px ); mesal process ( pmp ) slender, directed distolaterad; lateral process ( plp ) damaged on both sides of unique specimen. Telopodite ( Figs. 9 D–E): Femoral spine ( fe ) flattened, short, lying close to top of telopodite; tibial spine ( ti ) very long, curving in horizontal plane; spatulate lobe ( sl ) basally slender, distally broadly expanded, with inner lateral margin arched; a small accessory lobe ( al ) at base of sl ; and a small slender spine ( ss ) at base of apical part, opposite the origin of the tibial spine; palette ( pa ) simple, gutter-like, distally with about seven brownish blepharochaetae ( bp ). Distribution ( Fig. 20 ): Described from THAILAND , Kanchanaburi [Kanchanabrui], without an exact locality ( Demange, 1989 ). The more precise locality of the holotype , which is the only known specimen, is Kanchanaburi Province, Sai Yok district (L. Deharveng, personal communication).