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The polyphagous shothole borers (Euwallacea sp.) that spread fungal diseases (Fusarium sp. and possibly Graphium sp.) to susceptible trees in Los Angeles County have now been found in mid and northern Orange County and western San Bernardino County.
When you visit the Hagen-Dazs Honey Bee Haven on Bee Biology Road, University of California, Davis, be sure to check out the passionflower vine clinging to the fence. You'll see female Valley carpenter bees (Xylocopa varipuncta) seemingly speckled with gold dust.
Check out these images from after the American fire, from the WorldView 2 satelllite from our northern SNAMP site. The blue boundary is our SNAMP site. This background imagery is a pan-sharpened WV2 image (0.5 meters, channels 7, 5, 3).
In the last two weeks Ive been out to see groves that have root rot, yet the growers did not recognize the signs. Two years of drought and use of salt loaded water have put stress on trees and made them more susceptible to root rot.
The world's largest hornet (Vespa mandarinia) is huge. Just how huge? We photographed a two-inch specimen last week at the Bohart Museum of Entomology at UC Davis. Among the insect musem's nearly eight million specimens is the giant hornet.
In this issue: Olive Tree Phenology Training and Pruning of Cherimoya High Density Avocado Installation: Use a quick cost study to make a decision Volatile Organic Compound (VOC) Emissions from Pesticides...
AGRITOURISM INTENSIVE: A class for Ventura region farmers and ranchers offered by UC Cooperative Extension Ventura, Ventura County Farm Bureau, the UC Small Farm Program, Oxnard Convention and Visitors Bureau, and other local partners Are you considering agritourism or nature tourism on your farm or...
