Abstract
Catches ofDendroctonus frontalis andIps avulsus on traps surrounding bolts infested with both sexes of each species in the gallery were not significantly different from catches at bolts infested only with the sex which normally pioneers the host colonization process. In contrast, the presence of the second sex in the gallery significantly reduced catches ofI. grandicollis andI. calligraphus and, additionally, the presence of females in the male galleries ofI. calligraphus significantly reduced the catch ofI. avulsus females as compared with their response to bolts infested with the maleI. calligraphus only.
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Švihra, P. Influence of opposite sex on attraction produced by pioneer sex of four bark beetle species cohabiting pine in the Southern United States. J Chem Ecol 8, 373–378 (1982). https://doi.org/10.1007/BF00987785
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DOI: https://doi.org/10.1007/BF00987785