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Larinus curtus is a species of true weevil known as the yellow starthistle flower weevil. It is native to Southern Italy, Southern Europe, the Middle East and the Caucasus . [ 1 ] It is used as an agent of biological pest control against the noxious weed yellow starthistle ( Centaurea solstitialis ) in the United States.
Yellow star-thistle bud weevil (Bangasternus orientalis) is a fuzzy brown weevil that lays its eggs in the flowers, and when its larvae hatch, they feed on the developing seed. [ 26 ] Yellow star-thistle hairy weevil ( Eustenopus villosus ) is a long-snouted, hairy-looking weevil that lays a single egg inside each flower bud.
Centaurea calcitrapa is a species of flowering plant known by several common names, including common star thistle, red star-thistle [2] and purple star thistle. It is native to Europe but is known across the globe as an introduced species and often a noxious weed .
The Yellow Starthistle, Diffuse Knapweed, and Rush skeletonweed plants are now big enough to more easily identify from among the native plants and common weeds. Workers meet each Wednesday and ...
Puccinia jaceae var. solstitialis is a species of fungus in the Pucciniaceae family. It is a plant pathogen that causes rust.Native to Eurasia, it is the first fungal pathogen approved in the United States as a biological control agent to curb the growth of the invasive weed yellow starthistle (Centaurea solstitialis).
The U.S. Department of Agriculture said Tuesday it will permit use of the weevil native to Europe and western Asia to control yellow starthistle, which is from the same areas.
The female lays up to 470 eggs near the flower heads of yellow starthistle and glues them with a dark-colored mucilage. When the larva emerges from its egg, it tunnels up into the flower head, where it consumes the flower parts and developing seeds. It then constructs a sort of cocoon from the remnants of the flower and seed parts and pupates ...
Chaetorellia australis is a species of tephritid fruit fly known as the yellow starthistle peacock fly. It is used as an agent of biological pest control against the noxious weed yellow starthistle (Centaurea solstitialis). [2] The adult fly is light golden yellow in color with small black spots on its body and stripes on its wings.