Abstract
A new revised histological description of the protocerebral visual pathways of Lycosa tarentula (Araneae) is presented. Anatomical links are observed between the posterior and median retinae in the first optic neuropils, and between the anterior lateral and posterior lateral in the second optic neuropils. Long and wide in‐temeurons join all three indirect retinal laminae; their large somata are located among the third order globuli and their afferent fibres enter the “mushroom bodies”;, which are the third optic neuropils for the indirect retinae. Two of the optic neuropils for the anterior median retinae are completely isolated from those of the indirect retinae. A great number of the third order globuli for the anterior median retinae reach the voluminous and complex arcuate body, while a smaller number is oriented towards the “mushroom bodies”;. The visual pathways described are tentatively related to the behaviour of L. tarentula.
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