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Member Symposium

Plant-Insect Ecosystems

Aphids: Recent Progress in Ecology, Diversity, Virus Transmission, and Management

Addressing knowledge gaps in aphid ecology to begin characterizing the epidemiology of cotton leafroll dwarf virus

Tuesday, November 7, 2023
11:10 AM – 11:25 AM ET
Location: Gaylord National Resort & Convention Center, Chesapeake E-F
In-Person
The recent discovery of cotton leaf roll dwarf virus (CLRDV), an aphid transmitted virus that infects cotton in the U.S., has prompted research on aphids in cotton agroecosystems. Eight aphid species are reported to feed on cotton in the U.S., but past research has focused solely on Aphis gossypii because it is the only species reported to annually infest cotton and cause economic damage. Aphis gossypii is also the only vector reported to transmit CLRDV to cotton, but it is possible that other species can also transmit the virus. A better understanding of aphid ecology, population dynamics and vector-virus interactions is needed to characterize the epidemiology of CLRDV. A summary of results from recent studies examining transmission of CLRDV, seasonal timing of CLRDV spread, and seasonal dynamics of aphids that can feed on cotton will be presented.