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Document Type

Peer-Review Article

Abstract

The family Buprestidae (Coleoptera) contains numerous economically significant species, including the emerald ash borer (EAB), Agrilus planipennis Fairmaire, first discovered in North America in 2002. Effective traps for monitoring spread and population densities of EAB and other buprestids are needed. Studies were conducted in 2008 to test different colors and shapes of sticky traps baited with manuka oil for capturing EAB and other buprestids. Among different trap shapes, an enlarged purple Agrilus-shaped silhouette (15 cm wide × 55 cm all) attached to a white background (40 cm wide × 60 cm tall) captured the most buprestid species compared to purple traps (40 cm wide × 60 cm tall) with or without a single dead EAB adult decoy attached at the trap center. The mean number of buprestid species captured per trap were intermediate on purple traps with 25 dead EAB adult decoys, an enlarged green Agrilus-shaped silhouette (15 cm wide × 55 cm tall) attached to a white background (40 cm wide × 60 cm tall), and an enlarged EAB photograph (15 cm wide × 55 cm tall) on a white background (40 cm wide × 60 cm tall). There were no significant differences detected among the different trap shapes when total number of buprestids captured per trap were compared. However, purple traps with 25 EAB adult decoys captured significantly more EAB per trap compared to enlarged EAB photographs, enlarged purple Agrilus-shaped silhouettes, or purple traps without decoys. In another study, there were no significant differences detected in the mean number of buprestid species, total buprestids, or EAB adults captured per trap among purple, green, or half purple and half green three-sided prism-shaped traps (each side = 40 cm wide × 60 cm tall). Response to different trap shapes and colors varied among some buprestid species and these differences are discussed.

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