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    Author(s): Elizabeth E. Graham; Therese M. Poland; Deborah G. McCullough; Jocelyn G. Millar
    Date: 2012
    Source: Journal of Economic Entomology. 105: 837-846.
    Publication Series: Scientific Journal (JRNL)
    Station: Northern Research Station
    PDF: Download Publication  (231.68 KB)

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    Building a Better Bug Trap


    Wood-boring beetles in the family Cerambycidae (Coleoptera) play important roles in many forest ecosystems. However, increasing numbers of invasive cerambycid species are transported to new countries by global commerce and threaten forest health in the United States and worldwide. Our goal was to identify effective detection tools for a broad array of cerambycid species by testing some known cerambycid attractants and a pheromone in different trap designs placed across a range of habitats. We compared numbers and species richness of cerambycid beetles captured with cross-vane panel traps and 12-unit Lindgren multiple-funnel traps, placed either at ground level (1.5mhigh) or canopy level (~3-10 m high), at eight sites classified as either residential, industrial, deciduous forest, or conifer forest. We captured 3,723 beetles representing 72 cerambycid species from 10 June to 15 July 2010. Species richness was highest for the subfamilies Cerambycinae and Lamiinae, which accounted for 33 and 46% of all species captured, respectively. Overall, the cross-vane panel traps captured ~1.5 times more beetles than funnel traps. Twenty-one species were captured exclusively in traps at one height, either in the canopy or at ground level. More species were captured in hardwood sites (59 species) where a greater diversity of host material was available than in conifer (34 species), residential (41 species), or industrial (49) sites. Low numbers of beetles (n < 5) were recorded for 28 of the beetle species. The number of species captured per week ranged from 49 species on 21 June to 37 species on 12 July. Cross-vane panel traps installed across a vertical gradient should maximize the number of cerambycid species captured.

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    Graham, Elizabeth E.; Poland, Therese M.; McCullough, Deborah G.; Millar, Jocelyn G. 2012. A comparison of trap type and height for capturing cerambycid beetles (Coleoptera). Journal of Economic Entomology. 105: 837-846.


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    Cerambycidae, wood-borer detection, trapping, monitoring, flight-intercept trap

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