Rajesh Vavilapalli

Host plant preference and suitability of Systena frontalis (Coleoptera: Chrysomelidae) in container ornamental nursery systems

Rajesh Vavilapalli, Conor G. Fair, Shimat Villanassery Joseph

Systena frontalis (F.) (Coleoptera: Chrysomelidae) is an economically important pest of container-grown ornamental plants in the eastern United States. Adults cause characteristic shot-hole feeding injury that reduces plant marketability. Although growers report widespread damage across multiple ornamentals, information on adult host plant …

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Biometrics of Systena frontalis (Coleoptera: Chrysomelidae) on Hydrangea paniculata Siebold

Rajesh Vavilapalli, Shimat V Joseph

Abstract Systena frontalis (F.) (Coleoptera: Chrysomelidae) is an economically important pest of agricultural crops and container-grown ornamentals in the United States, yet critical aspects of its biology remain poorly understood. We quantified the biometrics of larval, pupal, and adult stages and characterized …

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Biology, ecology, and management of Thrips parvispinus (Thysanoptera: Thripidae)

Rajesh Vavilapalli, Navdeep Kaur, Erich N. Schoeller, Muhammad Z. Ahmed et autres

Abstract Thrips parvispinus (Karny) (Thysanoptera: Thripidae) poses a serious threat to global horticultural production, including nursery and greenhouse ornamental crops, as well as field and vegetables grown in protected structures. Concern over the potential negative economic impact on these crops is growing …

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Effects of Exposure to Constant Light and Darkness under Varying Temperatures on Systena frontalis (Coleoptera: Chrysomelidae) Adults Feeding on Panicled Hydrangea

Rehan Arshad, Rajesh Vavilapalli, Shimat Villanassery Joseph

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Evidence of vacuolar-ATPase gene mediated RNA interference on Systena frontalis (F) (Coleoptera: Chrysomelidae) adults

Govindaraju Ramkumar, Rajesh Vavilapalli, Shimat Villanassery Joseph

Systena frontalis (F) (Coleoptera: Chrysomelidae) is a serious polyphagous pest in containerized ornamental nurseries in the central, mid-west, and eastern United States. Adults feed on plant foliage, causing shothole damage, and the affected plants are rarely salable. We studied the exogenous application …

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Emerging threat: Lysathia ludoviciana (Coleoptera: Chrysomelidae) as a pest of container-grown roses in ornamental nurseries

Rajesh Vavilapalli, Shimat Villanassery Joseph

Lysathia (Altica) ludoviciana (Fall) (Coleoptera: Chrysomelidae: Galerucinae) is a phytophagous insect native to the southern United States and the Caribbean. In the first week of July 2024, adult L. ludoviciana was discovered feeding on Rosa × 'Radtko' ('Double Knock Out' rose [Rose …

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