Life History of a Poison-Ivy Sawfly Arge Humeralis (Beauvois) (Hymenoptera: Argidae)
AbstractArge humeralis (Beauvois) (Hymenoptera: Argidae) is a North American sawfly that feeds on poison-ivy, Rhus radicans L. In northern Florida 3-4 generations occur from March through October, while in south Florida generations are continuous. Egg to adult development takes ca. 55 days in the laboratory. Females have 6 feeding instars while males have only 5. This sawfly is a potential candidate for the biological control of poison-ivy.
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