Hadoblothrus gigas ( Caporiacco, 1951 )

Zaragoza, Juan A., 2010, Arcanobisium, a remarkable new genus, representing a new subfamily with a relictual distribution from eastern Spain (Arachnida: Pseudoscorpiones: Syarinidae), Zootaxa 2491, pp. 41-60 : 52

Hadoblothrus gigas ( Caporiacco, 1951)

Parablothrus gigas Caporiacco 1951: 97 , fig. 7.

Hadoblothrus gigas (Caporiacco) : Beier 1952: 106 –107, fig. 2.

Material examined. Italy, Puglia, Castro, cave L’Abisso di Castro Marino, 6 September 1978, B. Hauser: 1 male, 1 tritonymph, deposited in MHNG.

Supplementary description. Body elongate; all abdominal segments, including XI, well developed and visible from dorsal-ventral aspects. Pleural membrane granulate. Cribrate areas on male sternite IV absent; gland openings on sternite VI absent. Stigmata III and IV each with 3 setae.

Carapace with epistome shaped like an equilateral triangle. Cheliceral galea very short, simple; dental row ending basal of subgaleal seta, situated 0.68× from base.

Apex of pedipalpal coxa triangular, very long and acute, with 2 distal setae. Feather-shaped setae absent from fixed chelal finger. Trichobothrium t long and simple, the same shape than the rest of trichobothria. Venom duct short, nodus ramosus expanded. Chelal fingers with apex as shown in Figs 26–27 .

Femur and patella of leg IV about same length, junction perpendicular.

Remarks. These specimens were described in detail by Mahnert (1980) and a complementary description of the species was given by Inzaghi (1983).

Figures

FIGURES 26 – 32. Morphological details of Syarinidae. 26. Hadoblothrus gigas (Caporiacco, 1951), male, tip of fixed finger of left chela, antiaxial view. 27. H. gigas, male, tip of movable finger of left chela, lateral-paraxial view. 28. Pseudoblothrus roszkovskii (Redikorzev, 1918), male, gland openings area sternite VI. 29. Syarinus strandi (Ellingsen, 1901), female, apex pedipalpal lobe; 31. S. strandi, female, partial view of fingers left chelicera. 30. Syarinus obscurus (Banks, 1893), male, apex pedipalpal lobe. 32. S. strandi, female, partial view of fingers right chelicera. Scale bars (mm): 0.10 (Figs 26 – 28, 31 – 32), 0.20 (Figs 29 – 30).