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Eustenopus villosus is a species of true weevil known as the yellow starthistle hairy weevil. It is used as an agent of biological pest control against the noxious weed yellow starthistle (Centaurea solstitialis). The adult weevil is hairy and brown with white stripes. It is 4 to 6 millimeters long, not including its long snout.
Centaurea solstitialis, the yellow star-thistle, is a species of thorny plant in the genus Centaurea, which is part of the family Asteraceae. A winter annual , it is native to the Mediterranean Basin region and invasive in many other places.
Star-thistles, knapweeds Known poisonous species include Centaurea solstitialis (yellow star thistle or St. Barnaby's thistle) and Centaurea repens (Russian knapweed) [3] [10] Cestrum parqui: Green cestrum [17] Chrysothamnus nauseosus: Rubber rabbitbrush [8] Cicuta: Water hemlock, cowsbane [3] Claviceps paspali: Paspalum ergot [10] Conium maculatum
Yellow Star Thistle is an aggressive species that has invaded millions of acres of rangelands in the western United States. Cattle feeding on it may be poorly nourished and can be damaged by the ...
Federal officials have approved turning loose a non-native insect to feed on an invasive thistle that sprouts in everything from rangelands to vineyards to wilderness areas, mainly in the U.S. West.
Just across the road from where California’s fifth largest fire in recorded history ignited last week, sat a 50 acre patch of extremely dry invasive yellow-star thistle that local authorities ...
Bangasternus orientalis is a species of true weevil known as the yellow starthistle bud weevil. It is used as an agent of biological pest control against the noxious weed yellow starthistle (Centaurea solstitialis). The adult weevil is brown with a thin coat of light mottled hairs. It is about 6 millimeters long.
Chaetorellia succinea is a species of tephritid fruit fly that was accidentally released in 1991 into the United States and had since become one of the major biological pest controls against the noxious weed yellow starthistle (Centaurea solstitialis).