1. UC IPM
The 2-4-2 eye pattern common of many agelenid spiders (left) and the two rows of four pattern (right) found in many other spiders including those of the genera <i>Eratigena</i> and <i>Tegenaria.</i>.
The 2-4-2 eye pattern common of many agelenid spiders (left) and the two rows of four pattern (right) found in many other spiders including those of the genera Eratigena and Tegenaria..
Credit: Richard S. Vetter