Agyneta emertoni ( Roewer 1942 )

Dupérré, Nadine, 2013, Taxonomic revision of the spider genera Agyneta and Tennesseellum (Araneae, Linyphiidae) of North America north of Mexico with a study of the embolic division within Micronetinae sensu Saaristo & Tanasevitch 1996, Zootaxa 3674 (1), pp. 1-189 : 69

Agyneta emertoni ( Roewer 1942)

Figs 195, 196 , map 12

Microneta pallida Emerton 1917: 265 , f. 17.1–2. (Description 3, preoccupied by Kulczyn'ski, 1908). Microneta emertoni Roewer 1942: 521 . (Replacement name).

Meioneta pallida van Helsdingen 1973: 7, 9. (Transferred 3 from Microneta , subprimary junior homonym). Agyneta emertoni Buckle et al. 2001: 100 . (Transferred from Meioneta ).

Type material: Microneta pallida Emerton 1917 , 3 SYNTYPE from Departure Bay, Vancouver Island. 1913. T.B. Kurata. J.H. Emerton Coll. (unique number 22478). MCZ, EXAMINED. One female Erigoninae also in vial. Diagnosis: Males are diagnosed from all Agyneta species by the large rounded dorsal cymbial tubercle ( Fig. 196 ) and their finger-shaped lamella characteristica ( Fig. 195 ).

Description: Male: Total length 2.02; carapace length 0.88, width 0.77.

MAP. 12. Localities of Agyneta emertoni ( Rower 1942) , Agyneta erinacea n. sp. and Agyneta crawfordi n. sp.

CEPHALOTHORAX: Carapace light yellow, shiny, finely reticulate; suffused with dark gray along radiating lines and pars cephalica. Sternum completely suffused with dark gray. Chelicerae light yellow; excavated; promargin 0 denticle, retromargin five denticles. Cheliceral stridulatory organ visible ~9 striae, largely spaced (not observed under microscope). ABDOMEN: Uniformly light gray. LEGS: Light yellow; Tm I not observed, Tm IV: absent. GENITALIA: Palpal retrolateral tibial apophysis small, rounded; dorsal tibial apophysis elongated, rugose; palpal tibial trichobothria not observed ( Fig. 195 ). Cymbium with retrolateral fold; glabrous depression not observed ( Fig. 195 ); dorsal cymbial tubercle large and rounded; ventral tubercle absent; prolateral notch absent ( Fig. 196 ). Paracymbium with apical pocket only; lamella characteristica small, fingerlike ( Fig. 195 ).

Female: Unknown.

Other material examined: None.

Distribution: Western Canada, British Columbia.

Figures

FIGURES 195 – 201. 195, 196. Agyneta emertoni (Roewer 1942). 195, 196, Male. 195. Palp, retrolateral view. 196. Palp, prolateral view. 197 – 201. Agyneta erinacea n. sp. 197 – 201, Male. 197. Palp, retrolateral view. 198. Palp, prolateral view. 199. Embolus, prolateral view. 200. Radical division, retrolateral view. 201. Abdomen, dorsal view.