Wolf Spider's Head #1
by Thierry Berrod, Mona Lisa Production
Title
Wolf Spider's Head #1
Artist
Thierry Berrod, Mona Lisa Production
Medium
Photograph - Photograph
Description
Wolf spider's head. Coloured environmental scanning electron micrograph (ESEM) of simple eyes (ocelli) on the head of a wolf spider (family: Lycosidae). Its mouthparts are partially seen, including the chelicerae (jaws). The arrangement of eyes differs widely between spiders, but in general they have eight eyes: several large ocelli for vision, and several smaller ones to increase sensitivity to light levels. Ocelli cannot focus or see in colour, but are very good at detecting differences in light intensity. A spider's main sensory apparatus is the system of sensory bristles (setae) covering its body.
Uploaded
August 4th, 2016
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