Gelechiidae, Lepidoptera): a potential insect for the biological control of Centaurea stoebe L. in Canada.
Establishment and dispersal of Urophora affinis (Diptera: Tephritidae) and Metzneria paucipunctella (Lepidoptera: Gelechiidae) in southwestern Virginia.
Metzneria paucipunctella Zeller (Lepidoptera: Gelechiidae), a moth introduced against spotted knapweed: its feeding strategy and impact on two introduced Urophora spp.