Response of insects to damaged and undamaged germinating acorns [report]

Jimmy R. Galford, Deloris Weiss-Cottrill
1991 unpublished
Damaged germinating northern red oak, Quercus rubra L., acorns in pitfall traps were significantly more attractive to two species of acorn insects than undamaged germinating acorns. Significantly more adults of the weevil Conotrachelus posticatus Boheman and the sap beetle Stelidota octomaculata (Say) were caught in traps containing germinating acorns cut into halves versus traps containing uncut, germinating acorns. Larvae of the acorn moth Valentinia glandulella (Riley) also preferred damaged
more » ... over undamaged acorns, but few larvae were caught and the results were not analyzed.
doi:10.2737/ne-rp-656 fatcat:vcsxqu3muraxriffyxrrdzmtqy