Dysdera cribrata Simon, 1882

Isaia, Marco & Chiarle, Alberto, 2015, Taxonomic notes on Cybaeus vignai Brignoli, 1977 (Araneae, Cybaeidae) and Dysdera cribrata Simon, 1882 (Araneae, Dysderidae) from the Italian Maritime Alps, Zoosystema 37 (1), pp. 45-56 : 53-55

Dysdera cribrata Simon, 1882

( Figs 6-8 )

Dysdera cribrata Simon, 1882: 217 . — Simon 1914: 98, 112, fig. 166. — Le Peru 2011: 234, fig. 273.

MATERIAL EXAMINED. — France. Hautes-Alpes: 3♀, Forêt de Durbon, 10.VII.1914, leg. and det. R. de Dalmas ( MNHN AR5940,

Dalmas number L110). Mixed tube: 9♂, 26♀, “Alpes” and Villars- Colmars, [Alpes-de-Haute-Provence] VII.1914, det. E. Simon ( MNHN AR5932 , Simon number 4042) [the name of a locality written on the main label has been cancelled and is illegible; a supplementary label in the same tube reads “ type series (in part), rev. C. Hervé 30.IX.2009 ”]. Alpes-Maritimes, Parc national du Mercantour: 1♂, 1♀, Tende, chestnut wood, 30.VI-11.VIII.2007, leg. K. Wolf-Schwenninger, pitfall traps (coll. MI) ; 4♂, 4♀, Col de Turini , 1600 m, fir wood, 05.IX.1995, leg. F. Gasparo, hand collecting (coll. FG) .

Italy. Piemonte ( CN): 1♂, Alpine pastures with rocks, Natural Park of Alpi Marittime, Piano del Valasco, Valdieri, 1764 m, 29. VI.2009, leg. M. Isaia, hand collecting (coll. MI); 1♂, stream bank with Petasites in deciduous forest ( Fraxinus ), Natural Park of Alpi Marittime, Torrente Busset, Trinita di Entracque, 1200 m, 28.VI-09. VIII.2007, leg. K. Wolf-Schwenninger & H. Schwenninger, pitfall traps (coll. MI); 2♂, under rocks in a sparse larch wood close to the Maira springs, Sorgenti del Maira, Acceglio, 1614 m, 04. VI.2009, leg. M. Isaia, hand collecting (coll. MI); 1♀, Sampéyre, Becetto: Meire Ruà, 1500 m, 02.V-07. VI.1999, leg. G. Gardini, pitfall traps (coll. FG); 1♂, same locality, 20. VI.2001, hand collecting, leg. G. Gardini (coll. FG); 1♀, Sampéyre, Becetto: between Meire Ruà and Pian Ciattiva, 1750 m, 08.X.2007, leg. G. Gardini, sieving in Vaccinietum (coll. FG).

REMARKS

Simon (1882) described Dysdera cribrata from the Hautes (Savine-Alpes), Alpes-de-Haute-Provence (Digne) and Alpes- Maritimes (“Saint-Martin-Lantosque” [Saint-Martin-Vésubie] and La Madone des Fenêtres) [la Madone de Fenestre]. Later, in Les Arachnides de France, Simon (1914: 97-98) provided an illustration of the male and a brief remark on the habitat preference of this species (“ dans la haute montagne ”). D. cribrata is also reported by Bosmans & De Keer (1985) from the French Pyrenees ( Denis 1937: one female from Pic de Cassamanya in Andorra; Tambs-Lyche 1957: unspecified specimen from Banyuls in Eastern Pyrenees). Mcheidze (1964, 1997) (cited in Otto 2014), recorded this species in Abkhasia (Caucasus), but according to Kovblyuk et al. (2011) “the record is probably based on a misidentification”. According to R. Bosmans (pers. comm. 2014), the only reliable records of this species are those in Simon (1882, 1914), all of the other records having to be regarded as doubtful.

Thanks to the examination of material stored in the Simon collection at the Muséum national d’Histoire naturelle, Paris, identified by Simon himself, we were able to identify a number of specimens from three Italian localities, collected either as part of the ATBI (Maritime Alps) or on previous occasions (Cottian Alps). Illustrations of the male genitalia ( Fig. 6 ) and female prosoma, sternum and genitalia are provided ( Figs 7 , 8 ), which indicate the variability of the male palp. This species is here recorded for the first time in Italy. It seems to be restricted to western Alpine region.

According to Gasparo (pers. comm. 2014), the structure of the bulb of the males from Col de Turini ( France) appears more sinuous than in the males from Becetto ( Italy) and there are minor differences in details of the bulb apex. Because the significance of these differences is not clear at present, we assume here that they are due to intraspecific variation.

Figures

FIG. 6.— Dysdera cribrata Simon, 1882,male palp:A, bulb, retrolateral view,from Tende; B-F, variability of bulb distal segment:B-C, from Villars-Colmars; D, from Piano del Valasco; E, from Tende; F, from Forêt de Durbon. Abbreviations: see Material & methods. Scale bars: A, 0.5 mm; B-F, 0.2 mm.

FIG. 7. — Dysdera cribrata Simon, 1882, female, from Tende: A, epigyne; B, vulva ventral view; C, vulva dorsal view. Abbreviations: see Material & methods. Scale bars: 0.5 mm.

FIG. 8. — Dysdera cribrata Simon, 1882, female, from Tende: A, prosoma dorsal view; B, sternum ventral view. Scale bars: 1 mm.