Test of a new insect growth regulator for boll weevils (Coleoptera: Curculionidae) by dipping and feeding

Boll weevils, Anthonomus grandis grandis Boheman, dipped into solutions containing 0.25-2.0% of CIBA-GEIGY's CGA-184699 killed 40% after 1 wk. Feeding 0.25-1.5% of this material in the adult diet for 3 d produced mortality similar to that found in tests. Female boll weevils treated with this in...

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Veröffentlicht in:	Journal of economic entomology 1993-04, Vol.86 (2), p.310-313
Hauptverfasser:	Haynes, J.W, Smith, J.W
Format:	Artikel
Sprache:	eng
Schlagworte:	ALIMENTACION ALIMENTATION ANTHONOMUS GRANDIS Biological and medical sciences Chemical control Coleoptera Control CONTROL DE INSECTOS Curculionidae Fundamental and applied biological sciences. Psychology GOSSYPIUM IMMERSION INHIBIDORES DESARROLLO INSECTOS INMERSION Invertebrates LUTTE ANTIINSECTE Phytopathology. Animal pests. Plant and forest protection Protozoa. Invertebrates REGULATEUR CROISSANCE INSECTE
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Beschreibung
Zusammenfassung:	Boll weevils, Anthonomus grandis grandis Boheman, dipped into solutions containing 0.25-2.0% of CIBA-GEIGY's CGA-184699 killed 40% after 1 wk. Feeding 0.25-1.5% of this material in the adult diet for 3 d produced mortality similar to that found in tests. Female boll weevils treated with this insect growth regulator by dipping or feeding and mated with untreated males resulted in 95-99% less egg laying compared with the control. Male boll weevils administered CGA-184699 by dipping or feeding and mated with untreated females produced 58.8-73.0% fewer eggs compared with the control. Egg hatch and adult emergence of the few eggs collected was reduced to virtually zero in dipping and feeding tests
ISSN:	0022-0493 1938-291X
DOI:	10.1093/jee/86.2.310