Insects (2020) 11 (10 - 702)

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Kevin J. Dodds and Marc F. DiGirolomo (2020)
Effect of cleaning multiple-funnel traps on captures of bark and woodboring beetles in northeastern United States
Insects 11 (10 - 702)
Abstract: Two experiments were conducted in mixed hardwood-conifer forests in the northeastern United States to test the effects of cleaning surfactant and non-surfactant treated multiple-funnel traps used to catch bark and woodboring beetles. Large amounts of pollen and other debris often form a crust on the interior of traps (personal observations). Such surface deposits may provide footholds for beetles to escape capture in traps. In one experiment, we tested cleaned surfactant and non-surfactant traps against non-cleaned surfactant and non-surfactant traps. In a second experiment, we tested field cleaning of modified multiple-funnel traps as an alternative to substituting clean traps on each collection visit. There was no effect of surfactant treated traps, cleaned or not, on total beetles or individual bark beetle species captured. However, in situ cleaned traps were statistically better at capturing total beetles, total bark beetles, and several bark beetle species than non-cleaned control traps. Surfactant-treated non-modified traps and cleaned modified traps had higher species richness and abundance than other treatments at the site level. Our results suggest that cleaning traps to remove accumulated pollen and debris may be helpful for some species but would have limited benefit for broad-scale trapping of bark and woodboring beetles in northeastern forests.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
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Database assignments for author(s): Kevin J. Dodds

Research topic(s) for pests/diseases/weeds:

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.

Asemum striatum U.S.A. (NE)
Dendroctonus valens U.S.A. (NE)
Gnathotrichus materiarius U.S.A. (NE)
Ips grandicollis U.S.A. (NE)
Dryocoetes autographus U.S.A. (NE)
Crypturgus pusillus U.S.A. (NE)
Orthotomicus caelatus U.S.A. (NE)
Hylastes porculus U.S.A. (NE)
Monochamus scutellatus U.S.A. (NE)