CH2Cl2 and MeOH extracts of 15 Argentine plants used locally as insecticide
s, were evaluated for their insecticidal activity. Chenopodium multifidum L
. (Chenopodiaceae); Flaveria bidentis (L.) O.K. (Compositae); Aristolochia
argentina Gris. (Aristolochiaceae) and Tagetes erecta L. (Compositae) showe
d a significant activity against Sitophilus oryzae. (C) 1999 Elsevier Scien
ce Ireland Ltd. All rights reserved.