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The spotted lanternfly, Lycorma delicatula (White) (Hemiptera: Fulgoridae), has recently emerged as an invasive pest in the United States, threatening the grape and tree fruit industries. The biology of L. delicatula is poorly known. This invasive pest has rapidly spread and established itself in new regions (e.g., South Korea), taking advantage of a wide range of host plants, but virtually no studies of the dispersal capacity and patterns of the species have been published. Harmonic radar tracking provides a new tool to study the dispersal of small animals such as insects in natural field settings. In this study, we discuss procedures that allow secure attachment of harmonic radar tags on the 4th instar nymphs of L. delicatula. The adhesive bond strength between the radar tag and the nymph was sufficiently great for operational use, yielding 431.10 ± 43.37 g forces (mean ± SE). Variations in L. delicatula body size of did not affect the adhesive bond strength. Neither horizontal mobility nor vertical climbing ability of L. delicatula was affected by radar tagging when compared with untagged controls. Also, there was no significant difference in the jumping ability of radar-tagged and untagged insects. Finally, radar tagging did not affect the survivorship of L. delicatula over a 3 d test period. The results of this study indicate that the harmonic radar system can be applied successfully to 4th instars of L. delicatula without changing their mobility and survivorship. This technology facilitates study of the dispersal capacity and behavior of this invasive species under natural field conditions, and this information can serve as a basis for the development of effective monitoring and management strategies.

Effect of Harmonic Radar Tagging onLycorma delicatula(Hemiptera: Fulgoridae) Nymphal Mobility and Survivorship