Two Additional Invasive Scarabaeoid Beetles (Coleoptera: Scarabaeidae: Dynastinae) in Hawaii

Date
2009-12-01
Authors
Jameson, Mary L.
Oishi, Darcy E.
Ratcliffe, Brent C.
McQuate, Grant T.
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Hawaiian Entomological Society
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Abstract
Two species of dynastine scarab beetles are reported for the first time on the island of Hawaii: the Pasadena masked chafer, Cyclocephala pasadenae (Casey) (Scarabaeidae: Dynastinae: Cyclocephalini) from North America and Temnorhynchus retusus (Fabricius) (Scarabaeidae: Dynastinae: Pentodontini) from Africa. The Pasadena masked chafer is established on the island of Hawaii, is a recognized pest of turf grass, and is a concern for agriculture and native Hawaiian arthropod species. Temnorhynchus retusus is not known to be an agricultural pest, but its spread on the islands could pose a problem for Hawaiian native species. We provide an overview of each species, characteristics for recognition of these species, and comments on their introduction to the islands.
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Cyclocephala pasadenae, Hawaii, Hawaii (island), insect pests, introduced species, new geographic records, Temnorhynchus retusus
Citation
Jameson ML, Oishi DE, Ratcliffe BC, McQuate GT. 2009. Two additional invasive scarabaeoid beetles (Coleoptera: Scarabaeidae: Dynastinae) in Hawaii. Proc Hawaiian Entomol Soc 41:25–30.
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6 pages
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