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Biology and host specificity of Chamaesphecia hungarica and Ch. Astatiformis (Lep.: Sesiidae) two candidates for the biological control of leafy spurge, Euphorbia esula (Euphorbiaceae) in North America
(Lavoisier, 1994)
Leafy spurge (Euphorbia esula (s.1.)) is an herbaceous perennial and serious weed of Eurasian origin that has been accidentally introduced into North America. The two European root-boring moths Chamaesphecia hungarica and ...