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Salticidae: Diagnostic Drawings Library

by Jerzy Proszynski 1997

Genus Pystira Simon, 1901

orbiculata (Keyserling, 1881) = Zenodorus orbiculata (Keyserling, 1881) (Davies, Zabka 1989: t. 37)

Diagnoses of genera of South East Asia: Light or colourful, sometimes iridescent salticids. Shrubs, plants, especially broad leaved. General remarks: In the field, plants with large green leaves, such as ginger, are often favoured by salticids, particularly colourful species. Some are clothed with dense, coloured, iridescent hairs which makes them particularly attractive and conspicuous. They are often to be seen wandering about or sunning themselves on top of the leaves and sometimes to be found resting or in a cell under a leaf. Salticids often build a retreat between and attached to two closely overlapping leaves. With care and a suitably placed sweep net, one can often collect the owner. Genus: Pystira. The single species of Pystira which occurs in our area is a squat, solid looking, black and yellow salticid often to be found on plants with broad leaves. The cephalothorax is high and in plan only slightly longer than broad and U-shaped. The top is very slightly convex, and the sides and the back of the thorax are vertical. The carapace is entirely blackish-purple and shiny. The abdomen is wide and round, almost circular on the male, and broadly truncate anteriorly. There is a very wide, transverse, black band in the centre which is bounded by a broad white band across the shoulders and a narrower one to the rear. There is a black area near the spinnerets. The uniformly yellowish orange legs carry numerous weak spines. The colour pattern and shape of this salticid makes it easily recognised in the field.
Distribution: Although in the literature Pystira ephippigera is recorded only from Sumatra, we have found it in P. Malaysia, Singapore and Sabah as well. The overall range for Pystira appears to be the tropics from P. Malaysia to Australia. Murphy & Murphy 2000: 353-354. By courtesy of the Authors' and the Malaysian Nature Society.

Copyright © for the page by J. Proszynski, 1999.