Significant numbers of 3 pest species of noctuid moths were captured in traps baited with acetic acid, 3-methyl-1-butanol, and 3-methyl-1-pentanol. These were Lacanobia subjuncta (Grote & Robinson); Mamestra configurata Walker, bertha armyworm; and Xestia c-nigrum (L.), spotted cutworm. The combination of acetic acid and 3-methyl-1-butanol was superior to the individual chemicals in attracting all 3 species, whereas the combination of acetic acid and 3-methyl-1-pentanol was superior to the individual chemicals in attracting X. c-nigrum. For the 3 species of moths, numbers captured were similar in traps baited with the combination of acetic acid and 3-methyl-1-butanol or acetic acid and 3-methyl-1-pentanol. Traps baited with these attractants captured both males and females at a ratio near 1:1.
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Peter J. Landolt (2000) studied this question.