Albert E. Mayfield
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View article: The impact of imidacloprid on the subterranean survivorship of <i>Laricobius</i> (Coleoptera: Derodontidae), a biological control agent of <i>Adelges tsugae</i> (Hemiptera: Adelgidae)
The impact of imidacloprid on the subterranean survivorship of <i>Laricobius</i> (Coleoptera: Derodontidae), a biological control agent of <i>Adelges tsugae</i> (Hemiptera: Adelgidae) Open
1. The invasive hemlock woolly adelgid (HWA), Adelges tsugae (Annand) (Hemiptera: Adelgidae), has spread throughout most of the range of eastern hemlock, Tsuga canandensis (L.), and the entire range of Carolina hemlock, Tsuga caroliniana (…
View article: Enantiomeric composition of α-pinene affects catches of bark and wood boring beetles, and associated species, in ethanol-baited multiple-funnel traps
Enantiomeric composition of α-pinene affects catches of bark and wood boring beetles, and associated species, in ethanol-baited multiple-funnel traps Open
In 2009, we determined the effects of the enantiomeric composition of the kairomone, α-pinene, on trap catches of arboreal beetles (Coleoptera) in stands of eastern pine trees with resin dominated by (+)-α-pinene. We hypothesized that the …
View article: Temperature-dependent Development, Survival, and Oviposition of <i>Laricobius osakensis</i> (Coleoptera: Derodontidae): A Specialist Predator of <i>Adelges tsugae</i> (Hemiptera: Adelgidae)
Temperature-dependent Development, Survival, and Oviposition of <i>Laricobius osakensis</i> (Coleoptera: Derodontidae): A Specialist Predator of <i>Adelges tsugae</i> (Hemiptera: Adelgidae) Open
A predator, Laricobius osakensis Montgomery and Shiyake (Coleoptera: Derodontidae), is being mass-produced and released for the biological control of the invasive hemlock woolly adelgid (HWA), Adelges tsugae Annand (Hemiptera: Adelgidae). …
View article: Subterranean Survivorship and Seasonal Emergence of<i>Laricobius</i>spp. (Coleoptera: Derodontidae), Biological Control Agents for the Hemlock Woolly Adelgid
Subterranean Survivorship and Seasonal Emergence of<i>Laricobius</i>spp. (Coleoptera: Derodontidae), Biological Control Agents for the Hemlock Woolly Adelgid Open
Following the adventive arrival, subsequent spread, and ensuing impact of Adelges tsugae Annand (Hemiptera: Adelgidae), the hemlock woolly adelgid (HWA) in the eastern United States, a robust initiative was launched with the goal of decrea…
View article: The Lari-Leuco Container: A Novel Collection Arena for Separating Insects Ascending or Descending From a Plant Foliage Sample
The Lari-Leuco Container: A Novel Collection Arena for Separating Insects Ascending or Descending From a Plant Foliage Sample Open
Efficient separation of insects from plant material for quantification and collection is an important component of entomological research. This paper reports on a novel, easily replicable container designed to efficiently collect two diffe…
View article: Laurel Wilt: Current and Potential Impacts and Possibilities for Prevention and Management
Laurel Wilt: Current and Potential Impacts and Possibilities for Prevention and Management Open
In recent years, outbreaks of nonnative invasive insects and pathogens have caused significant levels of tree mortality and disturbance in various forest ecosystems throughout the United States. Laurel wilt, caused by the pathogen Raffaele…
View article: Impacts of Invasive Species in Terrestrial and Aquatic Systems in the United States
Impacts of Invasive Species in Terrestrial and Aquatic Systems in the United States Open
The introduction, establishment, and spread of invasive species in terrestrial and aquatic environments is widely recognized as one of the most serious threats to the health, sustainability, and productivity of native ecosystems (Holmes et…
View article: Cypress Weevil, Eudociminus mannerheimii (Boheman) (Coleoptera: Curculionidae)
Cypress Weevil, Eudociminus mannerheimii (Boheman) (Coleoptera: Curculionidae) Open
The cypress weevil, Eudociminus mannerheimii (Boheman), is a native insect that breeds primarily in scarred, weakened, or fallen bald cypress (Taxodium distichum [L.] L.C. Rich) and pond cypress (T. ascendens Brongn.). In Florida, adult fe…
View article: Bark Colonization of Kiln-Dried Wood by the Walnut Twig Beetle: Effect of Wood Location and Pheromone Presence
Bark Colonization of Kiln-Dried Wood by the Walnut Twig Beetle: Effect of Wood Location and Pheromone Presence Open
The walnut twig beetle (Pityophthorus juglandis Blackman) (Coleoptera: Curculionidae) is a regulated pest in the United States due to its causal role in thousand cankers disease of walnut trees, including the commercially valuable eastern …
View article: Walnut Twig Beetle (Coleoptera: Curculionidae: Scolytinae) Colonization of Eastern Black Walnut Nursery Trees
Walnut Twig Beetle (Coleoptera: Curculionidae: Scolytinae) Colonization of Eastern Black Walnut Nursery Trees Open
Thousand cankers disease, caused by the invasive bark beetle Pityophthorus juglandis Blackman and an associated fungal pathogen Geosmithia morbida M.Kolařík, E. Freeland, C. Utley, N. Tisserat, currently threatens the health of eastern bla…
View article: Abundance and Frequency of the Asiatic Oak Weevil (Coleoptera: Curculionidae) and Defoliation on American, Chinese, and Hybrid Chestnut (<i>Castanea</i>)
Abundance and Frequency of the Asiatic Oak Weevil (Coleoptera: Curculionidae) and Defoliation on American, Chinese, and Hybrid Chestnut (<i>Castanea</i>) Open
The Asiatic oak weevil, Cyrtepistomus castaneus Roelofs (Coleoptera: Curculionidae), is a nonnative defoliator of trees in the Fagaceae family in the United States but has not been studied on Castanea species in the southern Appalachian Mo…
View article: Ambulatory responses of Laricobius nigrinus (Coleoptera:Derodontidae), a hemlock woolly adelgid predator, to odors from prey, host foliage, and feeding conspecifics
Ambulatory responses of Laricobius nigrinus (Coleoptera:Derodontidae), a hemlock woolly adelgid predator, to odors from prey, host foliage, and feeding conspecifics Open
Behavioral interactions between insects and their environments are often mediated by volatile cues. Plant-produced chemical cues induced by herbivore activity are often more effective at attracting predators than are cues produced by the h…
View article: Black Turpentine Beetle, Dendroctonus terebrans (Olivier) (Insecta: Coleoptera: Curculionidae: Scolytinae)
Black Turpentine Beetle, Dendroctonus terebrans (Olivier) (Insecta: Coleoptera: Curculionidae: Scolytinae) Open
Black turpentine beetles bore into the inner bark of stressed or injured pines, where they breed and feed on phloem tissue. Adults are strongly attracted to volatile pine odors and readily breed in fresh stumps. In typical forests, infesta…
View article: Comparison of Suspended Branch and Direct Infestation Techniques for Artificially Infesting Hemlock Seedlings with the Hemlock Woolly Adelgid for Resistance Screening
Comparison of Suspended Branch and Direct Infestation Techniques for Artificially Infesting Hemlock Seedlings with the Hemlock Woolly Adelgid for Resistance Screening Open
The hemlock woolly adelgid (Adelges tsugae Annand) is an invasive forest pest in eastern North America that has caused significant decline and mortality in populations of eastern hemlock (Tsuga canadensis (L.) Carr.) and Carolina hemlock (…
View article: Pest Risk Analysis for Thousand cankers disease (Geosmithia morbida and Pityophthorus juglandis)
Pest Risk Analysis for Thousand cankers disease (Geosmithia morbida and Pityophthorus juglandis) Open
Thousand cankers disease (TCD) is caused by the fungus Geosmithia
\nmorbida in association with the bark beetle Pityophthorus juglandis. In the USA, widespread dieback and
\nmortality of Juglans nigra (black walnut) has occurred since the …
View article: Recovery Plan for Laurel Wilt on Redbay and Other Forest Species Caused by <i>Raffaelea lauricola</i> and Disseminated by <i>Xyleborus glabratus</i>
Recovery Plan for Laurel Wilt on Redbay and Other Forest Species Caused by <i>Raffaelea lauricola</i> and Disseminated by <i>Xyleborus glabratus</i> Open
This recovery plan is one of several disease-specific documents produced as part of the National Plant Disease Recovery System (NPDRS) called for in Homeland Security Presidential Directive Number 9 (HSPD-9). The purpose of the NPDRS is to…