Seasonal and Spatial Distribution of Banana Aphid, Pentalonia nigronervosa (Hemiptera: Aphididae), in Banana Plantations on Oahu

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dc.contributor.author Young, Cheryl L. en_US
dc.contributor.author Wright, Mark G. en_US
dc.date.accessioned 2007-05-24T02:20:09Z
dc.date.available 2007-05-24T02:20:09Z
dc.date.issued 2005-11 en_US
dc.description.abstract Banana bunchy top virus (BBTV) severely affects the sustainability of Hawaii’s banana crop industry. Although the virus rarely kills the plant, infection severely limits production of marketable fruit. The only known vector of BBTV is the banana aphid (Pentalonia nigronervosa, Hemiptera: Aphididae). This study was conducted on three farms located in Kahuku, Waialua and Waianae on the island of Oahu, Hawaii. Within each farm, 16 plots were set up in a grid pattern for monthly sampling. Average numbers of aphids were compared with ANOVA for each farm by month. Taylor’s Power Law was used to determine dispersion within plantations. There were no distinct patterns in seasonal distribution, but aphid numbers were negatively correlated with rainfall in some plantations. An aggregated dispersion pattern was evident in plantations with lesser cultural management inputs. We also observed a seasonal edge-effect (larger numbers of aphids closest to plantations’ edges). Due to the vector status of banana aphid, an understanding of the seasonal and spatial distribution of banana aphids is an important component in developing efficient BBTV management strategies. en_US
dc.identifier.citation Young CL, Wright MG. 2005. Seasonal and spatial distribution of banana aphid, Pentalonia nigronervosa (Hemiptera: Aphididae), in banana plantations on Oahu. Proc Hawaiian Entomol Soc 37:73–80. en_US
dc.identifier.issn 0073-134X en_US
dc.identifier.uri http://hdl.handle.net/10125/85
dc.language.iso en-US en_US
dc.publisher Hawaiian Entomological Society en_US
dc.subject spatial distribution en_US
dc.subject seasonal variation en_US
dc.subject bananas en_US
dc.subject Musa en_US
dc.subject Pentalonia nigronervosa en_US
dc.subject Oahu en_US
dc.subject Hawaii en_US
dc.subject Banana bunchy top virus en_US
dc.subject population dynamics en_US
dc.subject pest monitoring en_US
dc.subject sampling en_US
dc.subject rain en_US
dc.subject plantations en_US
dc.subject crop management en_US
dc.subject insect vectors en_US
dc.subject edge effects en_US
dc.title Seasonal and Spatial Distribution of Banana Aphid, Pentalonia nigronervosa (Hemiptera: Aphididae), in Banana Plantations on Oahu en_US
dc.type Article en_US
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Volume 37 - November 2005 : Hawaiian Entomological Society