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Title: Vertically Stratified Ash-Limb Beetle Fauna in Northern Ohio

Author: Ulyshen, Michael D.; Barrington, William T.; Hoebeke, Richard E.; Herms, Daniel A.;

Date: 2012

Source: Psyche 2012:1-5

Publication Series: Scientific Journal (JRNL)

Description: To better understand the diversity and ecology of indigenous arthropods at risk from the invasive emerald ash borer (Agrilus planipennis Fairmaire) in North American forests, saproxylic beetles (Insecta: Coleoptera) were reared from ash (Fraxinus sp.) limbs suspended in the canopy, ~10–17m above the ground, and from those placed on the ground in a mature mixed hardwood forest. In total, 209 specimens from 9 families and 18 species were collected from 30.0m2 of limbs. The generalist cerambycid Neoclytus acuminatus (Fabricius) was the most commonly captured taxon, followed by an assemblage of four exotic ambrosia beetles dominated by Xylosandrus crassiusculus (Motschulsky). Two species largely or entirely restricted to ash, the buprestid Agrilus subcinctus Gory and the curculionid Hylesinus aculeatus (Say), were collected as well. Although there were no differences in beetle richness, abundance, or density between limb positions, community composition differed significantly. This can be largely attributed to phloem and wood-feeding species (i.e., Cerambycidae and Buprestidae) being more common in the suspended limbs and ambrosia beetles being more numerous on the forest floor. Possible explanations for these patterns are discussed

Keywords: Xylosandrus crassiusculus, Motschulsky Hylesinus aculeatus (Say), Cerambycidae, Buprestidae

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Ulyshen, Michael D.; Barrington, William T.; Hoebeke, Richard E.; Herms, Daniel A. 2012. Vertically Stratified Ash-Limb Beetle Fauna in Northern Ohio. Psyche 2012:1-5. Article ID 215891

 


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