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Articles 1 - 30 of 189
Full-Text Articles in Life Sciences
The Beetle Chronicler, Chris Dunker, Kayla Wolf, Brett Ratcliffe
The Beetle Chronicler, Chris Dunker, Kayla Wolf, Brett Ratcliffe
University of Nebraska State Museum: Entomology Papers
Longtime UNL entomologist names beetles for dragons
Gymnetis rhaegali, Gymnetis drogoni, Gymnetis viserioni, Ambyoproctus boondocksius, Cyclocephala nadanotherwon, Strategus longichomperus
University of Nebraska entomology professor Brett Ratcliffe, who also curates the Nebraska State Museum's beetle collection, shows elephant beetles, a member of the scarab beetle family, in his office in Nebraska Hall.
Unlike their namesakes, three species of scarab beetles newly described by University of Nebraska-Lincoln entomologist Brett Ratcliffe do not breathe fire. Or, at least, entomologists and field researchers haven't observed them doing so.
Nor do the scarabs have the thick, reptilian scales and leathery wings like the trio of …
The Biological Significance And Utility Of Feeding By Dermestes Maculatus, Braymond Adams
The Biological Significance And Utility Of Feeding By Dermestes Maculatus, Braymond Adams
School of Natural Resources: Dissertations, Theses, and Student Research
With their efficient feeding habits and tolerance to very low moisture and humidity, beetles in the Family Dermestidae are especially adapted to variable environments and habitats. Dermestid cultures have been in use since 1922 in cleaning tissue and flesh from bones, and proven benefit in multiple fields, including zoology, ornithology, and forensics. Dermestid feeding behaviors when coupled with known life stage and insect succession information aids in providing significant entomological evidence. However, the feeding activities of insects, like those of vertebrate scavengers and predators, change remains and may leave artifacts that can be sometimes be difficult to assign to a …
Viral Prevalence Among Social Bees In Different Landscapes, Tugce Karacoban
Viral Prevalence Among Social Bees In Different Landscapes, Tugce Karacoban
Department of Entomology: Dissertations, Theses, and Student Research
Honey bees and wild bees provide important pollination services to numerous crops and native plants. In recent years, declines in bee populations have highlighted the importance of the ecological services they provide and the need for more research into the reasons for their decline. Currently, many conservation efforts to mitigate bee losses include increasing forage and habitat, however, there is growing concern over the role interspecific pathogen transmission plays in bee decline. Viruses commonly found in honey bees may be transmitted and pose a threat to other bee species when bees come together at foraging sites. To elucidate the impact …
Hexapod Herald - Vol. 30, No. 4, November 2018
Hexapod Herald - Vol. 30, No. 4, November 2018
Hexapod Herald and Other Entomology Department Newsletters
Abstract: Welcome -- Faculty and Post-Doc News -- Student News -- University of Nebraska Service Awards -- Publications -- Blast from the Past -- Save the Dates -- Busy as a Bee -- Grants -- Meet an Online Student -- Bugfest
Triatomines: Trypanosomatids, Bacteria, And Viruses Potential Vectors?, Caroline Barreto Viera, Yanna Reis Praça, Kaio Luis Da Silva Bentes, Paula Beatriz Santiago, Sofia Marcelino Martins Silva, Gabriel Dos Santos Silva, Flávia Nader Motta, Izabela Marques Dourado Bastos, Jaime Martins De Santana, Carla Nunes De Araújo
Triatomines: Trypanosomatids, Bacteria, And Viruses Potential Vectors?, Caroline Barreto Viera, Yanna Reis Praça, Kaio Luis Da Silva Bentes, Paula Beatriz Santiago, Sofia Marcelino Martins Silva, Gabriel Dos Santos Silva, Flávia Nader Motta, Izabela Marques Dourado Bastos, Jaime Martins De Santana, Carla Nunes De Araújo
Harold W. Manter Laboratory: Library Materials
Triatominae bugs are the vectors of Chagas disease, a major concern to public health especially in Latin America, where vector-borne Chagas disease has undergone resurgence due mainly to diminished triatomine control in many endemic municipalities. Although the majority of Triatominae species occurs in the Americas, species belonging to the genus Linshcosteus occur in India, and species belonging to the Triatoma rubrofasciata complex have been also identified in Africa, the Middle East, South-East Asia, and in the Western Pacific. Not all of Triatominae species have been found to be infected with Trypanosoma cruzi, but the possibility of establishing vector transmission …
Nebline, Nov./Dec. 2018
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Feature: Youth Voice benefits youth, communities
Food & Health
Farm & Acreage
Pests & Wildlife
Horticulture
Early Childhood
4-H & Youth
and other extension news and events
Nebline, October 2018
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Feature: Nebraska Extension’s CHIME program: Enhancing childcare professionals’ well-being with mindfulness
Food & Health
Farm & Acreage
Pests & Wildlife
Horticulture
Early Childhood
4-H & Youth
and other extension news and events
Acarine Biodiversity In Ecuador: Two New Species Of Endoparasitic Chiggers (Acarina: Trombiculidae) From Terrestrial Andean Anurans, Ricardo Guerrero, Mario Humberto Yánez-Muñoz
Acarine Biodiversity In Ecuador: Two New Species Of Endoparasitic Chiggers (Acarina: Trombiculidae) From Terrestrial Andean Anurans, Ricardo Guerrero, Mario Humberto Yánez-Muñoz
MANTER: Journal of Parasite Biodiversity
Two species of endoparasitic chiggers, Vercammenia neotropica n. sp. and Microtrombicula ecuadorensis n. sp., are described, both found in terrestrial anurans of the genus Pristimantis collected in the Andes of Ecuador. A new combination is proposed for Trombicula yorkei Sambon, 1928 as Microtrombicula yorkei (Sambon, 1928) n. comb., and Schoengastia lynni Ewing, 1942 is placed as incertae sedis. This is the first record of species of the genus Vercammenia in the Neotropical region.
Resumen
Dos especies de ácaros endoparásitos, Vercammenia neotropica n. sp. y Microtrombicula ecuadorensis n. sp., son descritas, ambas encontradas en anuros terrestres del género Pristimantis …
Wild, Native Bees And Managed Honey Bees Benefit From Similar Agricultural Land Uses, Elaine Evans, Matthew Smart, Dan Cariveau, Marla Spivak
Wild, Native Bees And Managed Honey Bees Benefit From Similar Agricultural Land Uses, Elaine Evans, Matthew Smart, Dan Cariveau, Marla Spivak
Department of Entomology: Faculty Publications
Although both managed and unmanaged bees are important pollinators of crops and wild plants, efforts to address questions about landscapes that best support pollinators often focus on either wild pollinators or honey bees. This study examined if there was concordance between the success of wild bee communities and managed honey bee colonies at sites varying in floral availability and disturbance level in a predominantly agricultural landscape. We also determined which agricultural land uses best supported wild bee communities. The study area in the state of North Dakota in Northern Great Plains in North America is home to understudied native bee …
Nebline, September 2018
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Feature: Septic systems need regular maintenance to function properly
Food & Health
Farm & Acreage
Pests & Wildlife
Horticulture
Early Childhood
4-H & Youth
and other extension news and events
Crop Pests And Predators Exhibit Inconsistent Responses To Surrounding Landscape Composition, Daniel S. Karp, Julie A. Peterson, 155 Other Co-Authors
Crop Pests And Predators Exhibit Inconsistent Responses To Surrounding Landscape Composition, Daniel S. Karp, Julie A. Peterson, 155 Other Co-Authors
Faculty Publications: Department of Entomology
The idea that noncrop habitat enhances pest control and represents a win–win opportunity to conserve biodiversity and bolster yields has emerged as an agroecological paradigm. However, while noncrop habitat in landscapes surrounding farms sometimes benefits pest predators, natural enemy responses remain heterogeneous across studies and effects on pests are inconclusive. The observed heterogeneity in species responses to noncrop habitat may be biological in origin or could result from variation in how habitat and biocontrol are measured. Here, we use a pest-control database encompassing 132 studies and 6,759 sites worldwide to model natural enemy and pest abundances, predation rates, and crop …
Knowledge Of Pollinator Conservation And Associated Plant Recommendations In The Horticultural Retail Industry, Carter M. Westerhold, Samuel E. Wortman, Kim Todd, Douglas Golick
Knowledge Of Pollinator Conservation And Associated Plant Recommendations In The Horticultural Retail Industry, Carter M. Westerhold, Samuel E. Wortman, Kim Todd, Douglas Golick
Department of Entomology: Faculty Publications
Pollinating insects are integral to the health of all terrestrial ecosystems and agriculture worldwide. Urbanization can greatly reduce nutritional resources and habitat for pollinators. However, these losses can be mitigated through targeted landscape practices, such as planting nectar- and pollen-rich plants and managing pollinator habitat in urban areas, especially home landscapes. As homeowners attempt to conserve pollinators through horticultural practices, they often seek the advice and guidance of horticulture retail employees. The knowledge horticulture employees have about pollinators and the recommendations they provide to customers is largely unknown. A nationwide survey was developed and distributed with the objectives to 1) …
Gut Symbiont Viability In Honey Bees Exposed To Agrochemical Stressors, Bryant Justin Gabriel
Gut Symbiont Viability In Honey Bees Exposed To Agrochemical Stressors, Bryant Justin Gabriel
Department of Entomology: Dissertations, Theses, and Student Research
The honey bee gut microbiome is essential for protecting this pollinator against abiotic and biotic stressors, including the prevention of harmful gut parasites and pathogens. Previous studies have not only demonstrated a linkage of bee gut dysbiosis to increased immunodeficiencies and pathogen sensitivities, but also report the maladaptation of the gut microbiome in bees exposed to agricultural and apicultural chemistries. There are few techniques available that allow for a simple and reliable analysis of the relative proportions of live and dead gut microbes in bees exposed to these chemistries. Previous techniques for measuring gut symbiont dysbiosis are temporally limited by …
Characterization Of The Natural Enemy Community, With Emphasis On Entomopathogens, For Management Of Western Corn Rootworm (Diabrotica Virgifera Virgifera) In West Central Nebraska, Camila Oliveira-Hofman
Characterization Of The Natural Enemy Community, With Emphasis On Entomopathogens, For Management Of Western Corn Rootworm (Diabrotica Virgifera Virgifera) In West Central Nebraska, Camila Oliveira-Hofman
Department of Entomology: Dissertations, Theses, and Student Research
Diabrotica virgifera virgifera LeConte (Coleoptera: Chrysomelidae),the western corn rootworm (WCR), is a major pest of corn (Zea mays L.) in the United States and Europe. WCR management options comprise mainly transgenic hybrids, insecticide applications and crop rotation. WCR is highly adaptable to management practices and field-evolved resistance to transgenic corn, insecticides and crop rotation in the United States Corn Belt has been reported. Therefore, the motivation for this project was to look into alternative options for WCR management. The goal of this dissertation is to characterize the natural enemies from irrigated commercial cornfields in Nebraska and examine their …
How Do Entomologists Use Insects To Determine Pmi, Johnnie Erskine
How Do Entomologists Use Insects To Determine Pmi, Johnnie Erskine
Department of Entomology: Distance Master of Science Projects
The use of forensic entomology is one of the fastest growing methods used to determine the cause of death by law enforcement personnel. This paperexplores and examines the various insects that are found on dead bodies during different time periods. The purpose of this paper is also to analyze and evaluate how forensic entomology is beneficial when compared to the other methods of forensic science that are used in crime investigations. Goff (2000) states, “anyone involved in death investigations quickly becomes aware of the connection between dead bodies and maggots.” (Goff, 2000). Insects are used to help with the recycling …
Hexapod Herald - Vol. 30, No. 3, August 2018
Hexapod Herald - Vol. 30, No. 3, August 2018
Hexapod Herald and Other Entomology Department Newsletters
Contents: Congratulations -- Department Buzz -- Hutchins Nominated for USDA Undersecretary - Welcome -- Student News -- Publications -- Blast from the Past -- Grants
Nebline, August 2018
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Feature: Nutrition Education Kits developed by Extension help LPS students learn about nutrition and physical activity
Food & Health
Farm & Acreage
Pests & Wildlife
Horticulture
Early Childhood
4-H & Youth
and other extension news and events
Special pullout section: Lancaster County Super Fair 2018 Schedule & Map
Competition Among Three Forensically Important Blow Fly Species (Diptera: Calliphoridae): Phormia Regina, Lucilia Sericata, And Chrysomya Rufifacies, Amber Macinnis
School of Natural Resources: Dissertations, Theses, and Student Research
The aim of this study was to use interspecific competition between three species of blow flies (Diptera: Calliphoridae) to determine if interspecific competition might explain the successional patterns. A replacement series model was used for three species of blowflies: Phormia regina, Lucilia sericata, and Chrysomya rufifacies. A total of 20 maggots were used for each treatment and the proportion of each species was varied. The graphic evidence and the relative crowding coefficient of P. regina versus L. sericata indicated a significant competitive advantage of P. regina. One of the life history traits of L. sericata is that it oviposits on …
Nebline, July 2018
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Feature: Pretty things that sting
Food & Health
Farm & Acreage
Pests & Wildlife
Horticulture
Early Childhood
4-H & Youth
and other extension news and events
Field Pea Response To Seeding Rate, Depth, And Inoculant In West-Central Nebraska, Strahinja V. Stepanovic, Charles Burr, Julie A. Peterson, Daran Rudnick, Cody Creech, Rodrigo Werle
Field Pea Response To Seeding Rate, Depth, And Inoculant In West-Central Nebraska, Strahinja V. Stepanovic, Charles Burr, Julie A. Peterson, Daran Rudnick, Cody Creech, Rodrigo Werle
Department of Entomology: Faculty Publications
Increased market demand and larger adoption of field pea (Pisum sativum L.) in semiarid west-central Nebraska has provided opportunities to replace summer fallow and diversify crop rotations. As a relatively new crop, its response to different seeding practices has not been evaluated in this eco-region. Field pea grain yield response to seeding depth (25, 50, and 75 mm), inoculation with Rhizobium leguminosarum bv. viciae (yes and no rhizobia inoculant), and seeding rates (35, 50, 65, 75, 90, 105, and 120 plants m–2) was investigated in 2015 and 2016 at five sites in Perkins County, NE. There were …
Feeding Behavior Of Aphis Glycines (Hemiptera: Aphididae) On Soybeans Exhibiting Antibiosis, Antixenosis, And Tolerance Resistance, E. L.L. Baldin, Mitchell D. Stamm, José P. F. Bentivenha, Kyle G. Koch, Tiffany M. Heng-Moss, Thomas E. Hunt
Feeding Behavior Of Aphis Glycines (Hemiptera: Aphididae) On Soybeans Exhibiting Antibiosis, Antixenosis, And Tolerance Resistance, E. L.L. Baldin, Mitchell D. Stamm, José P. F. Bentivenha, Kyle G. Koch, Tiffany M. Heng-Moss, Thomas E. Hunt
Department of Entomology: Faculty Publications
Aphis glycines Matsumura (Hemiptera: Aphididae) is a serious pest of soybean in North America. Plant resistance is a valuable tool for the management of this pest, and a better understanding of the interactions between aphid and soybeans expressing varying levels and different categories of resistance can assist in the development of aphid resistant or tolerant genotypes. The electrical penetration graph (EPG) technique was used to evaluate the feeding behavior of A. glycines (biotype 1) on 4 soybean genotypes: (1) ‘Dowling’ (contains Rag1 gene and exhibits antibiosis); (2) PI 200538 (contains Rag2 gene and exhibits antixenosis); (3) KS4202 (exhibits tolerance); and …
Nebline, June 2018
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Feature: Nebraska Pollinator Habitat Certification program
Food & Health
Farm & Acreage
Pests & Wildlife
Horticulture
Early Childhood
4-H & Youth
and other extension news and events
New Species Of Elateridae (Coleoptera) From Madre De Dios, Peru, With New Taxonomic Changes And Distribution Records, P. J. Johnson, Hannah K. Boyd, Caroline S. Chaboo
New Species Of Elateridae (Coleoptera) From Madre De Dios, Peru, With New Taxonomic Changes And Distribution Records, P. J. Johnson, Hannah K. Boyd, Caroline S. Chaboo
Department of Entomology: Faculty Publications
The Elateridae fauna of Peru is updated with species new to science, new country records and new taxonomic combinations from the Madre de Dios region. Ten species representing eight genera are described as new: Conoderus wachiperi new species (Agrypninae, Oophorini) Cosmesus aca new species (Elaterinae, Pomachilini), Dipropus amarakaeri new species and Dipropus losamigos new species (Elaterinae, Ampedini, Dicrepidiina), Esthesopus machiguenga new species (Cardiophorinae), Glyphonyx peruanus new species (Elaterinae, Adrastini), Lissomus carmen new species (Lissominae), Paradonus kosnipata new species (Negastriinae), and Pomachilius qusqu new species and Pomachilius wayqecha new species (Elaterinae, Pomachilini). Aeolus platynotus Candèze is changed to Conoderus platynotus (Candèze) …
Hexapod Herald - Vol. 30, No. 2, May 2018
Hexapod Herald - Vol. 30, No. 2, May 2018
Hexapod Herald and Other Entomology Department Newsletters
Contents: Congratulations -- Meeting News -- Student News -- Welcome -- Blast from the Past -- Publications -- Faculty News -- Condolences
Permission To Publish Agreement, Concepts In Animal Parasitology, University Of Nebraska-Lincoln Libraries
Permission To Publish Agreement, Concepts In Animal Parasitology, University Of Nebraska-Lincoln Libraries
Concepts in Animal Parasitology Textbook
Blank Permission to Publish agreement form for authors of the Concepts in Animal Parasitology textbook/open educational resource.
Nebline, May 2018
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Feature: Farmers: Use climate for planning, weather for doing
Farm & Acreage
Pests & Wildlife
Horticulture
Early Childhood
4-H & Youth
and other extension news and events
Creative Commons Attribution-Noncommercial-Sharealike 4.0 International Public License (Cc By-Nc-Sa 4.0), Creative Commons
Creative Commons Attribution-Noncommercial-Sharealike 4.0 International Public License (Cc By-Nc-Sa 4.0), Creative Commons
Concepts in Animal Parasitology Textbook
Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
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Information For Authors [Slides]: Concepts In Animal Parasitology, Sue Ann Gardner, Scott Lyell Gardner
Information For Authors [Slides]: Concepts In Animal Parasitology, Sue Ann Gardner, Scott Lyell Gardner
Concepts in Animal Parasitology Textbook
Broadcast via Zoom live online, the following are the slides from an information session held for authors and reviewers of the Concepts in Animal Parasitology (working title: Animal Parasitology Concepts) textbook. The work will be written collaboratively and published in 2019 as an open educational resource under a CC BY-NC 4.0 International license.
Diurnal And Developmental Differences In Gene Expression Between Adult Dispersing And Flightless Morphs Of The Wing Polymorphic Cricket, Gryllus Firmus: Implications For Life-History Evolution, Anthony J. Zera, Neetha Nanoth Vellichirammal, Jennifer A. Brisson
Diurnal And Developmental Differences In Gene Expression Between Adult Dispersing And Flightless Morphs Of The Wing Polymorphic Cricket, Gryllus Firmus: Implications For Life-History Evolution, Anthony J. Zera, Neetha Nanoth Vellichirammal, Jennifer A. Brisson
Anthony Zera Publications
The functional basis of life history adaptation is a key topic of research in life history evolution. Studies of wing polymorphism in the cricket Gryllus firmus have played a prominent role in this field. However, prior in-depth investigations of morph specialization have primarily focused on a single hormone, juvenile hormone, and a single aspect of intermediary metabolism, the fatty-acid biosynthetic component of lipid metabolism. Moreover, the role of diurnal variation in life history adaptation in G. firmus has been understudied, as is the case for organisms in general. Here, we identify genes whose expression differs consistently between the …
Instructions For Authors, Concepts In Animal Parasitology, Sue Ann Gardner, Scott Lyell Gardner
Instructions For Authors, Concepts In Animal Parasitology, Sue Ann Gardner, Scott Lyell Gardner
Concepts in Animal Parasitology Textbook
Instructions for authors for the Concepts in Animal Parasitology free, online textbook.