Comprehensive Description

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General Description

All species of Pelegrina are easily distinguished from relatives by the male embolus, which have two rami placed retrolaterally to the opening. The embolus of P. insignis is quite thin, delicate and prone to breaking. The embolus is flared on the distal portion and covered in small denticles. The dorsal portion of the carapace is covered in brassy scales with white patches between the posterior eyes and the fovea. The side band is prominent and white, but the cheek band located just dorsally is comparatively weak. The clypeus is brown with dark setae hanging over the chelicerae. The patch of yellow hairs at the base of the chelicerae are diagnostic (Maddison, 1996). Females possess the characteristic thickened epygynal flaps present in all Pelegrina. These flaps are short and lay either parallel or divergently in P. insignis. A strong diagnostic character is the presence of a raised bulge posterior to the flaps which rises above the level of the flaps. The carapace is densely covered in yellow and white scales while the clypeus is covered in yellow scales. The legs are a uniform yellow colour. The abdomen is yellow- or red-brown with pairs of large black spots (Maddison, 1996). Males: avg. body length 3.6 mm, carapace length 1.8 mm; females: avg. body length 4.1 mm, carapace length 1.9 mm (Maddison, 1996).

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© University of Alberta Museums

Source: University of Alberta Museums

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