An unwelcome guest was found creeping among Napa County vines this month. On May 12, Jesse Guild, an insect trapper in the area, was checking traps in the Pope Valley when he found a western grapeleaf ...

NAPA (CBS SF/BCN) -- Living up to its name, the discovery of a voracious Western grapeleaf skeletonizer moth in a Napa County vineyard has growers and agricultural officials on edge. The moth can ...

A poisonous moth has alarmed wine growers in California where a destructive and invasive moth species was recently sighted. The grapeleaf skeletonizer moth was spotted on 12 May in a vineyard in Pope ...

Grapeleaf skeletonizer and grape flea beetle were found in the orchard during the last couple of days. These two pests damage grape leaves but few other plants. The skeletonizer is a bluish-black moth ...

Authorities in Napa County are sounding the alarm about a moth known to cause “significant” damage to grapevines after an insect trapper discovered it earlier this month and reported it to the ...