Barronopsis stephaniae, Stocks, Ian Christopher, 2009

Stocks, Ian Christopher, 2009, Systematics and natural history of Barronopsis (Araneae: Agelenidae), with description of a new species, Zootaxa 2270, pp. 1-38 : 16

Barronopsis barrowsi species group

Composition. B. barrowsi ( Gertsch 1934) , B. stephaniae new species

Diagnosis. Males: Number of loose embolic coils <2 ( Figs. 32–33, 35–39 ); tight embolic coils with smooth edges, appearing as a complete cylinder; sperm duct with a 180° bend visible in retrolateral view through the tegulum ( Fig. 40); pale sternal stripe present; CW <1.08.

Females: Atrial guides broad lobed, either angulate shouldered or slightly rounded ( Figs.60 , 62–65). Prominent pale sternal stripe (Fig. 10). Small spiders ( Tab. 5), DSL usually <3 mm. Webs on or in contact with ground, often in pine needles, palm straw or grass hillocks.

Figures

FIGURE 32 – 36. Barronopsis stephaniae left palpus, SEM. Dorchester County, South Carolina. 32, scale bar = 100 µm. 33, scale bar = 100 µm. 34, scale bar = 50 µm. 35, scale bar = 10 0 µm. 36, scale bar = 100 µm.

FIGURES 37 – 39. Barronopsis stephaniae left palpus. Dorchester County, South Carolina. 37, prolateral view; 38, retrolateral view; 39, ventral view. Scale bar = 0.2 mm. bf—basal flange, c—conductor, etc—embolic tight coils, mamedian apophysis, RTA—retrolateral tibial apophysis, sd—sperm duct, ta—tegular apophysis.

FIGURES 60 – 61. Barronopsis stephaniae, female copulatory organs. Beaufort County, South Carolina. 60, ventral view; 61, dorsal view. Scale bar = 0.2 mm. at—atrium, bs—spermatheca base, cd—copulatory duct, fd—fertilization duct, hs—spermatheca head, sbd 1 — spermatheca blind duct 1.