BOTH SEXES OF THE TRUE ARMYWORM (LEPIDOPTERA: NOCTUIDAE) TRAPPED WITH THE FEEDING ATTRACTANT COMPOSED OF ACETIC ACID AND 3-METHYL-1-BUTANOL
Open Access
- 1 March 2002
- journal article
- Published by Walter de Gruyter GmbH in The Florida Entomologist
- Vol. 85 (1), 182-185
- https://doi.org/10.1653/0015-4040(2002)085[0182:bsotta]2.0.co;2
Abstract
Male and female true armyworm moths, Pseudaletia unipuncta (Haworth), were captured in traps baited with the combination of acetic acid and 3-methyl-1-butanol and placed near fields of corn (Zea mays). In a comparison of these chemicals presented individually and together, significantly greater numbers of moths were captured in traps baited with acetic acid and 3-methyl-1-butanol, compared to traps baited with acetic acid alone or traps baited with 3-methyl-1-butanol alone. Eighty percent of the female true armyworm moths captured in September in traps baited with acetic acid and 3-methyl-1-butanol were unmated and immature (no eggs and with considerable fat body). The remaining 20% of those females captured were mated and had some ovarian development. These results demonstrate attraction of male and female true armyworm moths to the combination of acetic acid and 3-methyl-1-butanol and provide a new means of trapping females of this species. Machos y hembras de la polilla del gusano soldado, Pseudaletia unipuncta (Haworth), fueron capturados en trampas cebadas con la combinación de ácido acético y 3-metil-1-butanol y colocadas cerca de campos de maíz (Zea mays). En una comparación de estos químicos presentados individualmente y en conjunto, cantidades significativamente mayores de polillas fueron capturadas en trampas cebadas con ácido acético y 3-metil-1-butanol, en comparación con las trampas cebadas solamente con ácido acético o las trampas cebadas solo con 3-metil-1-butanol. Ochenta por ciento de las polillas hembras del gusano soldado capturadas en septiembre en las trampas cebadas con ácido acético y 3-metil-1-butanol eran inmaduras y no se habían apareado (sin huevos y con considerable tejido graso). El 20% restante de esas hembras capturadas se habían apareado y tenían algún desarrollo ovárico. Estos resultados demuestran la atracción de los machos y la hembra de la polilla del gusano soldado a la combinación de ácido acético y 3-metil-1-butanol y proporciona un nuevo significado a la captura de hembras de esta especie.Keywords
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