Presentation by U-M life sciences professor Matt Holding and EMU biology professor Cara Shillington, an arachnid and arthropod specialist. Hors d’oeuvres at 5:30 p.m. Note location change this month. 6–7:30 p.m., Corner Brewery, 720 Norris, Ypsi. Free; drink purchases encouraged. Seating limited, so come early. (734) 764–0478.