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Articles 1 - 8 of 8
Full-Text Articles in Physical Sciences and Mathematics
Pest Control Services On Farms Vary Among Bird Species On Diversified, Low-Intensity Farms, Samuel J. Mayne, David I. King, Jeremy C. Andersen, Joseph S. Elkinton
Pest Control Services On Farms Vary Among Bird Species On Diversified, Low-Intensity Farms, Samuel J. Mayne, David I. King, Jeremy C. Andersen, Joseph S. Elkinton
Environmental Conservation Faculty Publication Series
Avian species provide pest control services in some agricultural systems, which may incentivize farmers to conserve natural habitats for native biodiversity. A critical component of this equation, however, is verifying that avian species are consuming potential pest species in the agricultural ecosystems. We used a DNA metabarcoding approach to determine the frequency of pest presence in songbird fecal samples collected from birds caught on diversified, low-intensity farms in New England, USA, during the bird breeding season. Twelve species of insect pest were identified in fecal samples, and across all songbird species 12.6% of samples included DNA from at least …
Assessing The Host Range Of Anastatus Orientalis, An Egg Parasitoid Of Spotted Lanternfly (Lycorma Delicatula) Using Eastern U.S. Non-Target Species, Joseph S. Elkinton, Danielle B. Pitt, Shannon C. Davis, Et. Al.
Assessing The Host Range Of Anastatus Orientalis, An Egg Parasitoid Of Spotted Lanternfly (Lycorma Delicatula) Using Eastern U.S. Non-Target Species, Joseph S. Elkinton, Danielle B. Pitt, Shannon C. Davis, Et. Al.
Environmental Conservation Faculty Publication Series
The spotted lanternfly, Lycorma delicatula (Hemiptera: Fulgoridae), an invasive planthopper discovered in Pennsylvania, U.S. in 2014, has spread to many surrounding states despite quarantines and control efforts, and further spread is anticipated. A classical (importation) biological control program would contribute to the long-term management of L. delicatula in the eastern U.S. In its native range of China, Anastatus orientalis (Hymenoptera: Eupelmidae), an egg parasitoid, causes significant mortality. Anastatus orientalis consists of multiple haplotypes that differ in important biological parameters. To delineate the physiological host range of A. orientalis Haplotype C, we completed no-choice and choice testing. No-choice testing of non-target …
Cryptic Genetic Diversity And Associated Ecological Differences Of Anastatus Orientalis, An Egg Parasitoid Of The Spotted Lanternfly, John J. Mccormack, Corrine A. Losch, Marjorie Z. Palmeri, Et. Al.
Cryptic Genetic Diversity And Associated Ecological Differences Of Anastatus Orientalis, An Egg Parasitoid Of The Spotted Lanternfly, John J. Mccormack, Corrine A. Losch, Marjorie Z. Palmeri, Et. Al.
Environmental Conservation Faculty Publication Series
Anastatus orientalis, native to northern China, is an egg parasitoid wasp of the spotted lanternfly (Lycorma delicatula) and is being tested as a potential biological control agent for invasive L. delicatula in the United States. As a component of these evaluations, live A. orientalis collected from Beijing and Yantai in China were reared in containment in the U.S. These specimens showed different responses in diapause behaviors to rearing conditions used previously by other researchers. To understand the primary mechanism potentially driving discrepancies in important life history traits, we used molecular tools to examine the genetic composition of …
Regenerative Agriculture Effects On Invertebrate And Bird Communities And Insect-Provided Ecosystem Services, Alex Michels
Regenerative Agriculture Effects On Invertebrate And Bird Communities And Insect-Provided Ecosystem Services, Alex Michels
Electronic Theses and Dissertations
Conventional agricultural practices can have unintended consequences on the environment and wildlife. Insects and birds are declining at rapid rates around the world, and the current conventional agricultural paradigm is a major driver through habitat loss and the intensification of production. Invertebrates in agroecosystems provide services to both farmers and the rest of society. Regenerative systems may promote the functioning of an agroecosystem by influencing invertebrate abundance, diversity, and ecosystem services and mitigate bird and insect declines through conservation practices that increase soil health, reduce disturbances, and increase biological diversity. Here I address knowledge gaps of the effects of regenerative …
Understanding Patterns And Functional Impacts Of An Invasive Tree And Its Biological Control In A Riparian System, Annie L. Henry
Understanding Patterns And Functional Impacts Of An Invasive Tree And Its Biological Control In A Riparian System, Annie L. Henry
Electronic Theses and Dissertations
Invasive species have become an inextricable part of the landscape, particularly in riparian plant communities, and removal is often a key component of restoration programs. Biological control (biocontrol) is a method of removal that is often both efficient and effective. However, the impact of biocontrol on target species and indirect effects from invasive species removal can be hard to predict. While monitoring the impact of invasive species removal usually involves some species-based assessment such as changes in diversity, historically dominant species or native species, these strategies do not typically provide insight into the mechanisms underlying plant community response to removal. …
Biological Notes On Ground-Nesting Digger Wasps From Western Nebraska, Robert W. Matthews, Janice R. Matthews
Biological Notes On Ground-Nesting Digger Wasps From Western Nebraska, Robert W. Matthews, Janice R. Matthews
The Prairie Naturalist
Nine species of sphecid wasps nesting in sparsely vegetated sandy soils near Ogallala, Keith County, Nebraska were studied during June 2003. The first records of the nest and prey of Cerceris clypeata gnarina Banks and Tachysphex williamsi R. Bohart are presented. Two species of weevils, Baris striata Say and B. subsimilis Casey, were prey of C. clypeata gnarina, with 12 to 22 individuals stocked per cell. Because B. subsimilis is a biological control agent for thistle, this finding is a caution to researchers not to ignore the potential impact of predatory wasps on the community. The single nest of T …
Vertebrates For Biological Control Of Insects In Agroforestry Systems, James R. Brandle
Vertebrates For Biological Control Of Insects In Agroforestry Systems, James R. Brandle
School of Natural Resources: Faculty Publications
No abstract provided.
Bird Dispersal Recordings: An Overview, Robert H. Schmidt, Ron J. Johnson
Bird Dispersal Recordings: An Overview, Robert H. Schmidt, Ron J. Johnson
School of Natural Resources: Faculty Publications
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