First Report of Exploitation of Coffee Beans by Black Twig Borer (Xylosandrus Compactus) and Tropical Nut Borer (Hypothenemus obscurus) (Coleoptera; Curculionidae: Scolytinae) in Hawaii
First Report of Exploitation of Coffee Beans by Black Twig Borer (Xylosandrus Compactus) and Tropical Nut Borer (Hypothenemus obscurus) (Coleoptera; Curculionidae: Scolytinae) in Hawaii
Date
2012-12
Authors
Greco, Elsie B.
Wright, Mark G.
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Hawaiian Entomological Society
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Abstract
The black twig borer, Xylosandrus compactus, is an ambrosia beetle
that was reported in Hawaii in 1960 and attacks branches of more than 200 plant
species, including coffee. This beetle was found for the first time boring coffee
berries in the district of Hilo on the island of Hawaii. Beetles reached the endo-
sperm and caused damage without making galleries or ovipositing. The tropical
nut borer, Hypothenemus obscurus, is a pest of macadamia nuts that has been in
Hawaii since 1988 and was recently found for the first time in Hawaii attacking
coffee berries. Its entry hole was observed close to the blossom area or the side of
the berry. Sometimes damage was caused near the endosperm but no galleries or
eggs were found. Descriptions of the biology, behavior and management of these
beetles are provided in this paper.
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Coffea arabica, coffee berry, Xylosandrus compactus, Hypothenemus obscurus
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Proceedings of the Hawaiian Entomological Society (2012) 44:71-78
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Attribution-NonCommercial-NoDerivs 3.0 United States
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