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  1. Tob. Reporter, 1994, 121-5, p. 59-61.,Tob. Sci. 1994, 38, p. 35-7, ISSN.0361-5693

    Reduced population growth and delayed development of the cigarette beetle (Coleoptera: anobiidae) due to thuringiensin

    KEEVER D.W.
    USDA-ARS, Oxford, NC, USA
    Three formulations of thuringiensis, the heat-stable á-exotoxin of Bacillus thuringiensis, were incorporated into diet medium (finely ground tobacco) of first instar cigarette beetles, Lasioderma serricorne (F.). At 15 and 60 ppm (wt a.i./wt diet medium), ...
  2. Tob. Reporter, 1993, 120-10, p. 55-8, Tob. Sci, 1993, 37, p. 65-68, ISSN.0361-5693

    Freezing of tobacco display samples for disinfestation of the cigarette beetle (Coleoptera : Anobiidae)

    KEEVER D.W.
    USDA-ARS, Crops Research Lab, Oxford, NC, USA
    Freezing was studied as a means of disinfesting tobacco display samples (TDSs) of live cigarette beetles, Lasioderma serricorne (F.). In an initial study of temperatures from 0 to-15.degree.C, all adults were killed at-15.degree.C by a 24-h exposure, but ...