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ViewAttendees 16

Member Symposium

Synergy in Biological Control of invasive insects: Utilizing the Ecology and Behavior of Natural Enemies

5: Evaluating the life history and ecology of parasitoids of the spotted lanternfly

On-Demand
On-Demand
Given the current eradication, containment, and management challenges of spotted lanternfly (SLF, Lycorma delicatula), we are conducting research toward developing a classical biocontrol program to support ongoing management efforts. USDA scientists have been collaborating with researchers at the Chinese Academy of Forestry since 2015 to search for natural enemies of SLF throughout China and to study any parasitoids detected. To date, two potential biocontrol agents from China have been identified: an egg parasitoid, Anastatus orientalis, and a nymphal parasitoid, Dryinus sinicus. Extensive research on the life history and ecology of both of these parasitoids, and any other potential biological control agent, is necessary for testing their efficacy as classical biological control agents. Here we present our research on the biology (e.g. longevity, fecundity, sex ratio, and life cycle), rearing (oviposition conditions, chill, egg mass storage), and host range testing (no-choice tests) of A. orientalis. We also present our work collecting D. sinicus and developing rearing methods. We discuss the importance of evaluating these candidate agents using ecological and behavioral studies.