found: Work cat.: Haider, S.T. Host-range specificity of a Bacillus thuringiensis (Bt) toxin as analyzed by protein engineering, 1999:leaf 4 (biological insecticides) leaf 130 (bio-insecticides)
found: Biological control : a guide to natural enemies in North America, via WWW, May 4, 2000:(Nematodes (Rhabditida:Steinernmeatidae & Heterorhabditidae) (nematodes as biological insecticides) Baculoviruses (Baculoviridae) (baculoviruses as biological insecticides) Pathogens and antagonists of plant disease and post-harvest decay (bio-insecticides) index (bio-insecticides/biorational insecticides: see microbial insecticides))
found: Yahoo! search, May 4, 2000(biological insecticides; bioinsecticides; natural insecticides)
found: OCLC, May 4, 2000(titles: Bioinsecticides for forest and shade tree defoliators; Genetically modified bioinsecticides; Development of the entomogenous fungus Beauveria bassiana as a soil bioinsecticide for the management of Curculio caryae; Aerial control of forest insects in Canada : a review of control projects employing chemical and biological insecticides; Operational field trials against the Douglas-fir tussock moth with chemical and biological insecticides; Concentrations of biological insecticides in the air of certain municipalities following aerial spraying against the spruce budworm in 1987; Effects of two insecticides (one chemical, one biological) on parasitism observed in larvae of Spodoptera frugiperda (S.) from experimental plots of corn; A chemical and biological insecticide study in the control of corn earworm in sweet corn; Pyrethrum : a natural insecticide with growth potential; The toxicology of Habrobracon venom : a study of a natural insecticide; Insecticides of natural origin; Natural insecticides from tropical tree neem, Azadirachta indica A. Jussieu to control the pest insect tobacco hornworm, Manduca sexta (Linnaeus))
