Uroleucon formosanum (Takahashi) (Homoptera: Aphididae) Found on Youngia japonica (L.) DC on Guam and Rota in the Mariana Islands
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2003-11
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Hawaiian Entomological Society
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Abstract
Uroleucon formosanum (Homoptera: Aphididae) was collected from Asiatic (Oriental) hawksbeard, Youngia japonica, on Guam and Rota in 2003. These collections constitute a significant range expansion for U. formosanum into the western Pacific region. The aphid and its host plant were likely accidentally introduced to the islands in cargo or by travelers returning from known host regions in eastern Asia and Japan.
Description
Scientific note.
Keywords
Guam, Rota, Northern Mariana Islands, Aphidoidea, Uroleucon formosanum, Youngia japonica, Micronesia, host plants, Asteraceae, geographical distribution, new geographic records, introduced species, islands
Citation
Miller RH, Idechiil O, Foottit RG, Pike KS. 2003. Uroleucon formosanum (Takahashi) (Homoptera: Aphididae) found on Youngia japonica (L.) DC on Guam and Rota in the Mariana Islands. Proc Hawaiian Entomol Soc 36:125–127.
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