Thyropygus quietus Attems, 1938

Pimvichai, Piyatida, Enghoff, Henrik & Panha, Somsak, 2011, A revision of the Thyropygus allevatus group. Part 3: the T. induratus subgroup (Diplopoda: Spirostreptida: Harpagophoridae), Zootaxa 2941, pp. 47-68 : 53

Thyropygus quietus Attems, 1938

( Figs. 2 A–D)

Thyropygus quietus Attems, 1938: 285

Thyropisthus quietus: Attems 1942: 87

Thyropygus allevatus quietus: Hoffman 1975: 136 NOT Thyropisthus quietus: Demange 1961 NOT Thyropygus quietus: Decker 2010

Material examined. 2 males SYNTYPES, VIETNAM (S-Annam), Nhatrang, leg. C. Dawydoff 1936 ( NMW 2573). 2 males VIETNAM, Ba Ria-Vung Tau province, Con Dao National Park. June 2010. Nguyen Hun Thuc leg., ( CUMZ).

Diagnosis. A species of the induratus subgroup. Differing from all other species (except T. induratus ) in the subgroup by having two processes of anterior coxal fold (ac), the outer forming a slender, sharp spine, the inner broadly rounded, flexible and by a very thick ac laterally. Differs from T. induratus by being much smaller and by having lower paracoxites (px).

Description. Adult males with 56–61 podous rings, no apodous rings. Length 9–11 cm, width 5.6–6.5 mm. Color in life unknown; preserved specimens with antennae, legs, metazona, epiproct, hypoproct, paraprocts dark brown; prozona brown.

Gonopods ( Figs. 2 A–D) as in T. induratus , except for the paraxocites (px) which are lower.

Discussion. see under T. induratus .

Figures

FIGURE 2. Thyropygus quietus, holotype, gonopods. A: anterior view, left telopodite removed. B: posterior view, left telopodite removed. C: left telopodite, posterior-mesal view. D: left telopodite, anterior-lateral view.