Fig. 1 in The ectoparasitoid Scleroderma guani (Hymenoptera: Bethylidae) uses innate and learned chemical cues to locate its host, larvae of the pine sawyer Monochamus alternatus (Coleoptera: Cerambycidae)

Fig. 1. Numbers of naïve Scleroderma guani females responding to various odor sources presented in pairs in a Y-tube olfactometer. W = wood diet, WF = mixture of wood diet and Monochamus alternatus frass, S = sawdust from M. alternatus galleries, L = 10 M. alternatus 3rd instars, and A = clean air. *: P ≤ 0.05, **: P ≤ 0.01. Numbers indicate numbers of wasps responding.