Collins, Thirza

Rosetta, Robin

Undetermined

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Section VIIIMites and Sap-Sucking PestsCOVERING YOUR ASH: WOOLLY ASH APHID IN OREGONRobin Rosetta and Thirza CollinsOregon State University, North Willamette Research and Extension Center15210 NE Miley Rd, Aurora, OR 97002-9543503-678-1264 x33robin.rosetta@oregonstate.eduThe goal of this project is to develop phenological data for the woolly ash aphid in the WillametteValley and to use this information to aid growers in the management of this pest.Four nursery locations were sampled weekly from February 27, 2002 through June 5, 2002.Aphid populations were quantified through the season and the various morphs photographed. Hobo dataloggers were placed in each site from February 2002 through trial duration. Additionally we notedphenological indicator plants in bloom.Apterous (non-winged) aphids were found on April 3 at the Boring and Aurora sites, April 17 inDayton, and April 23 in Yamhill. Alates were found onMay 8 at the Aurora site and May 15 at theBoring site. Winged specimenshave been collected and will be sent to Dr. Keith Pike at WashingtonState University for species identification.A website is in design to aid growers in the identification and management of this aphid.79

Covering your ash : Wooly ash aphid in Oregon

https://ir.library.oregonstate.edu/downloads/ws859m45m

Covering your ash : Wooly ash aphid in Oregon

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