Parapachyloides uncinatus ( Sorensen , 1879)

Pinto-da-Rocha, Ricardo, Benedetti, Alipio Rezende, de Vasconcelos, Eduardo Gomes & Hara, Marcos Ryotaro, 2012, New systematic assignments in Gonyleptoidea (Arachnida, Opiliones, Laniatores), ZooKeys 198, pp. 25-68 : 41-42

Parapachyloides uncinatus ( Sorensen, 1879) Fig. 14

Gonyleptes uncinatus Sørensen, 1879: 214, figs 1-5, 9-10, 14, 18, 22-26, 28-29 (♂♀); (syntypes males & females, ZMUC, type locality not specified, see Kury 2003; examined from detailed photos).

Parapachyloides uncinatus : Kury 2003: 186.

Goyazella armata Mello-Leitão, 1931: 120, fig. 1 (♀); (female holotype; MNRJ 11373; Brazil; Goiás; Chapada dos Veadeiros; Blases leg., examined). syn. n.

Parapachyloides armatus : B. Soares 1944b: 164; Kury 2003: 186; Kury et al. 2010: 566.

Material examined.

BRAZIL. São Paulo: Porto Cabral, 4 ♂ (MZSP 787); Usina Hidrelétrica de Rosana, 2 males & 2 females (MZSP 14571). Mato Grosso do Sul: Taquaruçu, 2 ♂ & 1 ♀ (MZSP 19113); ditto, (Canal do Rio Baía), 1 ♂ (MZSP 22084).

Description.

Penis (Fig. 14 A–C; MZSP 14571): ventral plate with the lateral sides slightly convergent, deep U-cleft on distal margin, its apex folded ventrally and convergent, 3 distal pairs of setae curved on apex, 1 pair of short median setae, 4 basal pairs of setae arranged in a row, 2 pairs of ventral distal short setae. Glans with small dorsal process. Stylus slender, sigmoid, smooth. Ventral process apex flabelliform with serrate distal margin.

Taxonomical note.

Males of this species show polymorphism in the posterior tubercle on the lateral margin of dorsal scutum (from low, small and blunt to high, enlarged, curved and pointed apex), posterior margin of dorsal scutum (from low tubercles to two high tubercles) and armature of free tergite I (with one large median tubercle without enlarged lateral tubercles, or with 2-4 high lateral tubercles); retrolateral basal tubercle on male femur IV of same width as femur to 1.5 times wider, short (1.3 times femur width) to long (3.2 ×).