Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Bacillus thuringiensis var. kurstaki Affects a Beneficial Insect, the Cinnabar Moth (Lepidoptera: Arctidae).
Author James, R. R. ; Miller, J. C. ; Lighthart, B. ;
CORP Author ManTech Environmental Technology, Inc., Corvallis, OR. ;Oregon State Univ., Corvallis.;Corvallis Environmental Research Lab., OR.
Publisher c1993
Year Published 1993
Report Number EPA/600/J-93/206;
Stock Number PB93-199651
Additional Subjects Biological pest control ; Bacillus thuringiensis ; Hazardous materials ; Ecology ; Agricultural products ; Regulations ; Forestry ; Lepidoptera ; Field tests ; Tolerances(Physiology) ; Reprints ; Senecio jacobaea ; Non-target species
Library Call Number Additional Info Location Last
NTIS  PB93-199651 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 08/23/1993
Collation 8p
The microbial insecticide bacillus thuringiensis Berliner var. kurstaki is used to control forest pests in regions where tansy ragwort, Senecio jacobaea L. occurs. Biological control of this noxious weed may be compromised if the cinnabar moth, Tyria jacobaeae (L), is susceptible to B. thuringiensis. In laboratory feeding tests, it was found that foliage dipped in B. thuringiensis solutions had very little effect on survival of first, second, and third instars, but fourth and fifth instars were susceptible. Field tests were done to test the effect of B. thuringiensis on larval defoliation of potted tansy ragwort plants at five different application rates. The application rate significantly affected percentage of leaves defoliated and mean number of cinnabar moth-days per plant. In both control plants and those treated with B. thuringiensis, defoliation by cinnabar moth did not affect plant biomass within the 10-d course of the experiment.