Western Spotted Orbweaver & Arabesque Orbweaver Compared

Arabesque Orbweaver (Neoscona) Houston, TX Ventral markingsWestern Spotted Orbweaver (Neoscona) ventral markingsThe image at far right shows the ventral abdomen of the arabesque orbweaver on the previous page; the image at immed. right shows the ventral abdomen of a western spotted orbweaver. Differences in perspective make the upper border of the marking on the arabesque orbweaver appear curved, while that of the western spotted orbweaver is a straight line; perspective also makes the scape--an elongated, posteriorly-directed process of the epigyna--obvious in the photo on the right, but obscured in the photo on the left. The form of the scape is definitive for this genus. The mark for the arabesque orbweaver is of a black vase with a white border; that of the western spotted orbweaver is of a black Byzantine cross on a white background ----FINIS----  PAGE MENU:   1  *  2  * 

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