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Articles 1 - 30 of 78
Full-Text Articles in Life Sciences
Testing Evolutionary Conservation Of Sex Determination In Lepidoptera Using Crispr/Cas9 Gene Editing, Sophia Schroeder
Testing Evolutionary Conservation Of Sex Determination In Lepidoptera Using Crispr/Cas9 Gene Editing, Sophia Schroeder
Honors Theses
The mechanism of sex determination in Lepidoptera is largely unexplored, and limited to knowledge of only a few genes. Adult Lepidoptera have obvious sexually dimorphic qualities, such as their genitalia. However, significant sex determination genes are not imperative for the adult developmental stage. Knockouts of some sex determination genes (doublesex isoforms) are shown to be lethal in the embryonic and larval stages of development in several animals. However, it is unclear whether this is due to their respective impact on sex determination and sexual dimorphism, or the existence of another function, such as pleiotropy, within a particular gene. Moreover, …
A Bioinformatics Approach For Evaluating Evolutionary Convergence Of Gene Family Size In Hematophagous Insects, Mbemba Ceesay
A Bioinformatics Approach For Evaluating Evolutionary Convergence Of Gene Family Size In Hematophagous Insects, Mbemba Ceesay
Theses, Dissertations and Culminating Projects
The act of blood-feeding can be nutritionally rewarding for blood-feeding arthropods. However, blood digestion can release pro-oxidant molecules such as heme and iron at potentially harmful levels. If left uncontrolled, this heme/iron can cause oxidative damage and eventually cell death. This has led to the evolution of various adaptations that protect blood-feeding arthropods against iron- and heme-associated damage. Here I postulate that the signature of this adaptation can be observed in patterns of gene family size. To test this hypothesis, I explore convergent evolutionary expansions and contractions of gene families in distinct lineages of hematophagous insects. Specifically, I compare the …
Functional Response Of Harmonia Axyridis To The Larvae Of Spodoptera Litura: The Combined Effect Of Temperatures And Prey Instars, Yasir Islam, Farhan Mahmood Shah, Ali Güncan, John Paul Delong, Xingmiao Zhou
Functional Response Of Harmonia Axyridis To The Larvae Of Spodoptera Litura: The Combined Effect Of Temperatures And Prey Instars, Yasir Islam, Farhan Mahmood Shah, Ali Güncan, John Paul Delong, Xingmiao Zhou
School of Biological Sciences: Faculty Publications
Functional responses are central to predator–prey dynamics and describe how predation varies with prey abundance. Functional responses often are measured without regard to prey size (i.e., body mass) or the temperature dependence of feeding rates. However, variation in prey size within populations is ubiquitous, and predation rates are often both size and temperature-dependent. Here, we assessed functional responses of larvae and adult Harmonia axyridis on the 1st, 2nd, and 3rd instars of the prey Spodoptera litura across a range of temperatures (i.e., 15, 20, 25, 30, and 35◦C). The type and parameters of the functional responses were determined using logistic …
Feeding Behavior And Influence Of Hemp Varieties And Fertilization Rates On Damage Caused By Corn Earworm, Helicoverpa Zea, Julian Cosner
Feeding Behavior And Influence Of Hemp Varieties And Fertilization Rates On Damage Caused By Corn Earworm, Helicoverpa Zea, Julian Cosner
Masters Theses
Production of industrial hemp, Cannabis sativa L., has increased tremendously in the U.S. after its legalization through the Agricultural Improvement Act of 2018, known as the 2018 Farm Bill, which allowed commercial hemp production. By grower number, in 2020, Tennessee was the nation’s largest hemp program with over 1,800 producers licensed to grow up to 6,500 hectares (16,000 acres) according to the Tennessee Department of Agriculture. Though fiber and seed have a role in the industry, most growers (ca. 98%) concentrate on cannabidiol production because of the expected higher cash value potential per hectare. Introducing hemp as a monocrop system …
Monarch Butterfly (Danaus Plexippus) Life-Stage Risks From Foliar And Seed-Treatment Insecticides, Niranjana Krishnan, Yang Zhang, Melanie E. Aust, Richard L. Hellmich, Joel R. Coats, Steven P. Bradbury
Monarch Butterfly (Danaus Plexippus) Life-Stage Risks From Foliar And Seed-Treatment Insecticides, Niranjana Krishnan, Yang Zhang, Melanie E. Aust, Richard L. Hellmich, Joel R. Coats, Steven P. Bradbury
Biological Sciences Faculty Research & Creative Works
Conservation of North America's eastern monarch butterfly (Danaus plexippus) population would require establishment of milkweed (Asclepias spp.) and nectar plants in the agricultural landscapes of the north central United States. A variety of seed-treatment and foliar insecticides are used to manage early- and late-season pests in these landscapes. Thus, there is a need to assess risks of these insecticides to monarch butterfly life stages to inform habitat conservation practices. Chronic and acute dietary toxicity studies were undertaken with larvae and adults, and acute topical bioassays were conducted with eggs, pupae, and adults using 6 representative insecticides: beta-cyfluthrin …
Resrouce Allocation And Visual Communication In Lepidoptera, Linda Nicole Fipps
Resrouce Allocation And Visual Communication In Lepidoptera, Linda Nicole Fipps
Theses and Dissertations
Visual signals in the form of wing color, size, shape, pattern, and UV reflectance play an important role in the mating and reproductive strategies of diurnal butterflies. Wing-based visual signals are linked to different functions and can be acted on by a variety of selective pressures. In a comprehensive look at the literature on the visual communication strategies of lepidopteran species, I look at how visual signals, most notably color, are used, generated, and perceived. I discuss the costs and benefits of those strategies for the fitness of butterflies and moths and look at lepidopteran visual communication through the lens …
Evaluation Of The Taxonomic Status Of Eurytides Marcellus Form “Floridensis” (W. Holland, 1898) (Papilionoidea, Papilioninae, Leptocircini), Harry Pavulaan
Evaluation Of The Taxonomic Status Of Eurytides Marcellus Form “Floridensis” (W. Holland, 1898) (Papilionoidea, Papilioninae, Leptocircini), Harry Pavulaan
The Taxonomic Report of the International Lepidoptera Survey
The purpose of this paper is to firmly identify subspecific authorship of the name floridensis for the Floridian population of Eurytides marcellus (Cramer, 1779), which I recognize as a distinct, though slightly differentiated, subspecies ranging north and west along the Atlantic and Gulf of Mexico coastal regions. Though the name has been in historical use by multiple authors since description by William J. Holland (1898), it has not been readily evident which, if any, published work to date clearly and validly elevated the name to subspecific rank. The name “floridensis” is not preoccupied by any other members of …
Increased Cave Use By Butterflies And Moths: A Response To Climate Warming?, Otto Moog, Erhard Christian, Rudolf Eis
Increased Cave Use By Butterflies And Moths: A Response To Climate Warming?, Otto Moog, Erhard Christian, Rudolf Eis
International Journal of Speleology
Between 2015 and 2019, the list of Lepidoptera from “cave” habitats (i.e., proper caves, rock shelters and artificial subterranean structures) in Austria grew from 17 to 62 species, although the effort of data collection remained nearly constant from the late 1970s onwards. The newly recorded moths and butterflies were resting in caves during daytime in the the warm season, three species were also overwintering there. We observed Catocala elocata at 28 cave inspections, followed by Mormo maura (18), Catocala nupta (7), Peribatodes rhomboidaria, and Euplagia quadripunctaria (6). More than half of the species have been repeatedly observed in caves …
Protocols For Rearing Fall Webworm (Hyphantria Cunea) In A Colony And Basic Methods For Laboratory And Field Experiments, Maelah Robinson-Castillo, Audrey Mitchell, Amanda Fasching, Mayra C. Vidal, Mariana Abarca, Gina M. Wimp, Blyssalyn Bieber, Dhaval K. Vyas, Shannon M. Murphy
Protocols For Rearing Fall Webworm (Hyphantria Cunea) In A Colony And Basic Methods For Laboratory And Field Experiments, Maelah Robinson-Castillo, Audrey Mitchell, Amanda Fasching, Mayra C. Vidal, Mariana Abarca, Gina M. Wimp, Blyssalyn Bieber, Dhaval K. Vyas, Shannon M. Murphy
DU Undergraduate Research Journal Archive
Standardized protocols are an essential asset for research requiring the maintenance of live organisms. Ecological studies often involve collaborations between multiple teams that are spread across locations, and these collaborations benefit from sharing successful laboratory procedures. Our research team is studying the ecology of the fall webworm moth (Hyphantria cunea, hereafter FW) in North America for >10 years, during which time we have established reliable procedures for starting and maintaining FW colonies under laboratory conditions. FW is a North American species that has been introduced to Europe and Asia where it is a major pest. Here, we present a detailed …
Diversity Of Moths (Lepidoptera: Heterocera) In North-Central Mongolia, Khishigdelger Enkhtur, Martin Pfeiffer, Uuganbayar Munkhbat, Bazartseren Boldgiv
Diversity Of Moths (Lepidoptera: Heterocera) In North-Central Mongolia, Khishigdelger Enkhtur, Martin Pfeiffer, Uuganbayar Munkhbat, Bazartseren Boldgiv
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
In this study, was aimed at 1) collecting baseline data in order to study distribution of moths in the future, and 2) estimating diversity of moths distributed in central and northern Mongolia. For this study were collected specimens from 266 species, representing 15 families from 7 study sites during 92 nights spanning over two years. Samples were collected around the research stations Tunkhel and Khonin Nuga in Selenge Aimag, Ikhtamir in Arkhangai Aimag, Mungunmorit and Undurshireet Soums in Tuv Aimag, as well from Shargamorit near Ulaanbaatar, the capital of Mongolia, and from Tsenkhermandal Soum in Khentii Aimag. So were found …
Lepidopteran Granivory Reduces Seed Counts In A Rare Species Of Riparian Scour Prairies, Cheyenne Moore, Angela J. Mcdonnell, Scott Schuette, Christopher T. Martine
Lepidopteran Granivory Reduces Seed Counts In A Rare Species Of Riparian Scour Prairies, Cheyenne Moore, Angela J. Mcdonnell, Scott Schuette, Christopher T. Martine
Faculty Journal Articles
In Pennsylvania Baptisia australis var. australis is found along only four waterways: the Allegheny River, Youghiogheny River, Clarion River, and Red Bank Creek. Because of its limited distribution and small number of extant populations, the species is considered state-threatened in Pennsylvania. In addition, the riparian prairie habitat that Pennsylvania Baptisia australis var. australis is restricted to is also in decline and considered vulnerable. Because of these conservation concerns, insights into the natural history of the taxon in the state is valuable and will inform conservation efforts. Field surveys and fruit collections along the Allegheny River and herbarium collections were used …
Changes In The Vertical Stratification Of Neotropical Nymphalidae At Forest Edges In Relation To Light And Temperature Conditions, Brian Koji Oye
Changes In The Vertical Stratification Of Neotropical Nymphalidae At Forest Edges In Relation To Light And Temperature Conditions, Brian Koji Oye
University of the Pacific Theses and Dissertations
The composition of neotropical fruit-feeding nymphalid butterflies assemblages often varies by location and stratum within a forest. Recent work has shown that vertical stratification in particular may serve as barrier to gene flow, indicating the potential role vertical stratification may play in evolution. At forest edges, the distinction between assemblages has been described to decrease, with species considered to be canopy specialists descending to the forest understory. The similarity in light conditions between the canopy and understory strata at edges or disturbed habitat is hypothesized to be responsible for this phenomenon. We conducted a study using standardized sampling to document …
Monarch Butterfly (Danaus Plexippus) Roost Site-Selection And Viability East Of The Appalachian Mountains, Brandon Boxler
Monarch Butterfly (Danaus Plexippus) Roost Site-Selection And Viability East Of The Appalachian Mountains, Brandon Boxler
Electronic Theses and Dissertations
The Monarch butterfly is a flagship species and pollinator whose populations have declined by approximately 85% in the last two decades. Their largest population overwinters in Mexico, then disperses across the eastern United States and Canada during April to August. Between September-December, the butterflies return south using two migratory flyways, one spanning the central United States and another following the Atlantic coast. They fly during the day and at night roost in large groups. Roosting habitat is essential to the continuation of the Monarchs’ migration, however, threats such as anthropogenic habitat disturbance and climate change potentially endanger sustainability of these …
The Impacts Of Prescribed Burning And Mechanical Thinning On Insect Communities In The Arkansas Ozarks, Aaron P. Tormanen
The Impacts Of Prescribed Burning And Mechanical Thinning On Insect Communities In The Arkansas Ozarks, Aaron P. Tormanen
Theses and Dissertations from 2020
Insects are important in woodland ecosystems due to their role as pollinators and as prey for bats. My research investigated the relationships between forest management, vegetation, and insects in the Ozark National Forest in Arkansas. I selected 30 stands burned at varying frequencies in the last 12 years. Twelve of these stands were burned and mechanically thinned, 12 were only burned, and 6 were untreated. I deployed blacklight traps and malaise traps in each stand monthly from mid-March to mid- November 2019. Over 42,391 insects were collected, and Lepidoptera was the most abundant order. Insects were dried, weighed, and identified …
An Annotated Checklist Of Butterflies At Elevated Protected Areas Of Pakistan, Madeeha Manzoor, Sher Wali Khan, Safdar Ali Shah
An Annotated Checklist Of Butterflies At Elevated Protected Areas Of Pakistan, Madeeha Manzoor, Sher Wali Khan, Safdar Ali Shah
Journal of Bioresource Management
Different vegetation types, cater to the needs of butterflies at different stages of their life cycle. Some caterpillars are specific in their diet and egg-laying, such as the caterpillar of the Monarch butterfly, which mainly consumes leaves of milkweed and hence prefers laying eggs on this plant (Faldyn et al., 2018). This entomological research was undertaken at protected areas of Pakistan that include Dhirkot Nature Reserve, Pir Chanasi National Park, Banjosa Game Reserve, Pir Lasura National Park and Tolipir National Park. Forty-four different species of butterflies were recorded from the study area. The highest diversity of butterflies was observed from …
Leaf Mining Insects And Their Parasitoids In The Old-Growth Forest Of The Huron Mountains, Ronald J. Priest, Robert R. Kula, Michael W. Gates
Leaf Mining Insects And Their Parasitoids In The Old-Growth Forest Of The Huron Mountains, Ronald J. Priest, Robert R. Kula, Michael W. Gates
The Great Lakes Entomologist
Leaf mining insects in an old-growth forest along the south central shore of Lake Superior in Michigan are documented. We present the results of a 13-year survey of leaf mining species, larval hosts, seasonal occurrence, and parasitoids, as well as report biological observations. Representative larvae, mines, adults, and parasitoids were preserved. Among the larval host associations, 15 are reported as new. Additionally, 42 parasitoid taxa were identified resulting in six first reports from the New World and 32 new host associations. Two undescribed species (Gelechiidae and Figitidae) discovered through this research were described in earlier publications.
Phylogenomics Resolves Major Relationships And Reveals Significant Diversification Rate Shifts In The Evolution Of Silk Moths And Relatives, J. R. Barber
Biology Faculty Publications and Presentations
Background: Silkmoths and their relatives constitute the ecologically and taxonomically diverse superfamily Bombycoidea, which includes some of the most charismatic species of Lepidoptera. Despite displaying spectacular forms and diverse ecological traits, relatively little attention has been given to understanding their evolution and drivers of their diversity. To begin to address this problem, we created a new Bombycoidea-specific Anchored Hybrid Enrichment (AHE) probe set and sampled up to 571 loci for 117 taxa across all major lineages of the Bombycoidea, with a newly developed DNA extraction protocol that allows Lepidoptera specimens to be readily sequenced from pinned natural history collections.
Results: …
Illustrated Guide To The Immature Lepidoptera On Oaks In Missouri, Robert Marquis, Steven Passoa, John Lill, James Whitfield, Josiane Le Corff, Rebecca Forkner, Valerie Passoa
Illustrated Guide To The Immature Lepidoptera On Oaks In Missouri, Robert Marquis, Steven Passoa, John Lill, James Whitfield, Josiane Le Corff, Rebecca Forkner, Valerie Passoa
Biology Department Faculty Works
Oak trees (Quercus spp.) dominate many forests in North America, and their diverse herbivore fauna is a major component of ecological biodiversity. Yet, identification guides for oak-feeding Lepidoptera in the eastern United States usually lack detailed larval morphological characteristics and pupal descriptions. This book describes the immature stages of common species of butterflies and moths (Lepidoptera) whose larvae are found on 10 species of oak (Quercus) in the eastern Missouri Ozarks (USA). Data were collected mainly as part of the Missouri Ozark Forest Ecosystem Project (MOFEP), a longterm study of the effects of harvesting regimes on forest structure and function. …
Phylogenomic Analyses Clarify Butterfly Species Within The Genus Speyeria Despite Evidence Of A Recent Adaptive Radiation, Erin Thompson
Phylogenomic Analyses Clarify Butterfly Species Within The Genus Speyeria Despite Evidence Of A Recent Adaptive Radiation, Erin Thompson
University of the Pacific Theses and Dissertations
The North American genus Speyeria is an especially challenging radiation of butterflies due to ongoing hybridization, incomplete lineage sorting, and similar morphological characters among species. Adaptive radiations often require considerable evidence in order to resolve the evolutionary relationships of closely related individuals. Previous studies of this genus have found paraphyly among species and have been unable to disentangle these taxa due to a lack of data and/or incomplete sampling of the genus. As a result, the interspecific relationships among Speyeria remain unresolved. In an attempt to achieve phylogenetic resolution of the genus, we conducted population genomic and phylogenomic analyses of …
The Impact Of Prescribed Fire On Moth Assemblages In The Boston Mountains And Ozark Highlands, In Arkansas, Erin E. Guerra, Cristina M. Blanco, Jorista Garrie
The Impact Of Prescribed Fire On Moth Assemblages In The Boston Mountains And Ozark Highlands, In Arkansas, Erin E. Guerra, Cristina M. Blanco, Jorista Garrie
Journal of the Arkansas Academy of Science
In addition to the impacts of prescribed fires on forest vegetation, this ecosystem process also has dramatic impacts on associated insect assemblages. For herbivorous, terrestrial insects, fire predictably results in a cycle of initial insect population reduction followed by recovery and growth, in which these insect populations exceed pre-fire abundances. We sought to examine if fire-induced disturbance cycles make prescribed burned areas more or less suitable specifically for moths (order Lepidoptera), which is a major food source for, among others, multiple bat species. We surveyed moth assemblages at 20 burned and 20 unburned sites in the Boston Mountain and Ozark …
Negative Effects Of Common Herbicides On Non-Target Invertebrates, Debbi Albanese
Negative Effects Of Common Herbicides On Non-Target Invertebrates, Debbi Albanese
Electronic Theses and Dissertations
Three herbicide formulations, Roundup® Ready to Use Weed and Grass Killer, Bayer Advanced Southern Weed Killer for Lawns and Pure 20% Vinegar Solution were directly applied to eggs of four species of butterflies, Danaus plexippus, Papilio cresphontes, Papilio polyxenes and Papilio troilus. Roundup and Bayer Advanced containing 2,4-D, mecoprop-p and dicamba significantly reduced hatch success in all four species. Lethal and sublethal effects of these herbicides on the earthworm, Eisenia andrei, was also examined. Direct contact by E. andrei with a heavy dose of the herbicides applied to tops of soil 24 hours prior was lethal to earthworms. …
Assessment Of Granulovirus, Spinosad, And Mating Disruption For Controlling Cydia Pomonella L. [Lepidoptera: Tortricidae] In Organic Coastal California Apple Orchards, Raven Lukehart
Master's Theses
Codling moth, Cydia pomonella[Lepidoptera: Tortricidae], is a major entomological pest of apples, pears, and walnuts cross the world (Pajac et al. 2016). Female codling moths lay eggs on the apple exocarp and larvae burrow within the fruit causing economic losses to fruit growers.Organic apple orchards in San Luis Obispo, CA currently have three codling moth, Cydia pomonella,control options commercially available including granulovirus (CpVG), spinosad, and mating disruption. In field tests on apple (Malus), we compare percent fruit injury between treatments of granulovirus (2.43 oz/ha Cyd-X® organically approved, Certis USA, Columbia MD), spinosad (4.05 oz/ha Entrust® Naturalyte® …
Inclusion Of Host Quality Data Improves Predictions Of Herbivore Phenology, Mariana Abarca, Elise A. Larsen, John T. Lill, Martha Weiss, Eric Lind, Leslie Ries
Inclusion Of Host Quality Data Improves Predictions Of Herbivore Phenology, Mariana Abarca, Elise A. Larsen, John T. Lill, Martha Weiss, Eric Lind, Leslie Ries
Biological Sciences: Faculty Publications
Understanding the correspondence between ambient temperature and insect development is necessary to forecast insect phenology under novel environments. In the face of climate change, both conservation and pest control efforts require accurate phenological predictions. Here, we compare a suite of degree-day models to assess their ability to predict the phenology of a common, oligophagous butterfly, the silver-spotted skipper, Epargyreus clarus (Cramer) (Lepidoptera: Hesperiidae). To estimate model parameters, we used development time of eggs and larvae reared in the laboratory at six constant temperatures ranging from 8 to 38 °C and on two host plants of contrasting quality (kudzu and wisteria). …
Anchored Phylogenomics Illuminates The Skipper Butterfly Tree Of Life, Emmanuel F. A. Toussaint, Jesse W. Breinholt, Chandra Earl, Andrew D. Warren, Andrew V. Z. Brower, Masaya Yago, Kelly M. Dexter, Marianne Espeland, Naomi E. Pierce, David J. Lohman, Akito Y. Kawahara
Anchored Phylogenomics Illuminates The Skipper Butterfly Tree Of Life, Emmanuel F. A. Toussaint, Jesse W. Breinholt, Chandra Earl, Andrew D. Warren, Andrew V. Z. Brower, Masaya Yago, Kelly M. Dexter, Marianne Espeland, Naomi E. Pierce, David J. Lohman, Akito Y. Kawahara
Publications and Research
Background: Butterflies (Papilionoidea) are perhaps the most charismatic insect lineage, yet phylogenetic relationships among them remain incompletely studied and controversial. This is especially true for skippers (Hesperiidae), one of the most species-rich and poorly studied butterfly families.
Methods: To infer a robust phylogenomic hypothesis for Hesperiidae, we sequenced nearly 400 loci using Anchored Hybrid Enrichment and sampled all tribes and more than 120 genera of skippers. Molecular datasets were analyzed using maximum-likelihood, parsimony and coalescent multi-species phylogenetic methods.
Results: All analyses converged on a novel, robust phylogenetic hypothesis for skippers. Different optimality criteria and methodologies recovered almost …
Unknown And Cryptic Diversity In The Adelpha Serpa-Group, Cassidi Rush
Unknown And Cryptic Diversity In The Adelpha Serpa-Group, Cassidi Rush
University of the Pacific Theses and Dissertations
The tropics are host to incredible insect diversity. One of the most charismatic groups that exhibit this diversity are the butterflies. Despite the tropical butterfly fauna being heavily researched, there remains much hidden diversity in the form of undescribed life histories and cryptic species. This is especially true among the species rich Nymphalidae, the brush-footed butterflies. Species in the genus Adelpha are known to be “the most trying taxonomically of all nymphalids” DeVries (1987), and as such are fruitful ground for uncovering unknown diversity. About half of the species within Adelpha have undescribed life histories, while A. serpa stands out …
Construction And Performance Of A Novel Capture-Mark-Release Moth Trap, Nicole Wonderlin, L. M. Ross, Peter White
Construction And Performance Of A Novel Capture-Mark-Release Moth Trap, Nicole Wonderlin, L. M. Ross, Peter White
The Great Lakes Entomologist
Mark-recapture studies can provide important information about moth movement as well as habitat preference across a landscape, but to date, such studies tend to be species-specific or require labor-intensive methodologies. To address this challenge, we designed a capture-mark-release-trap (CMRT) featuring a cooling unit attached to a black light trap. The CMRT captures and incapacitates moths throughout the night until the morning, when they can be marked on-site and released. Moths captured with the CMRT during summer of 2016 had a recapture rate of 1.6%, similar to those of previous studies. Importantly, because moths are immobilized by the CMRT, they can …
Effects Of A Prescribed Burn On The Adult Butterfly Assemblage Of A Coastal Grassland, J. Nicole Desha, Joseph Colbert, Kimberly M. Andrews, Scott Coleman, C. Tate Holbrook
Effects Of A Prescribed Burn On The Adult Butterfly Assemblage Of A Coastal Grassland, J. Nicole Desha, Joseph Colbert, Kimberly M. Andrews, Scott Coleman, C. Tate Holbrook
Georgia Journal of Science
Coastal grasslands are globally threatened by development and natural succession. In the southeastern United States, these increasingly rare ecosystems are being managed using prescribed fire, but ecological responses to fire management are largely unknown, particularly among nontargeted species. We tested for short-term effects of controlled burning on the abundance and species richness of adult butterflies, which utilize coastal grasslands for nectaring resources and as migratory stopover sites. In February 2015, four plots of coastal grassland on Little St. Simons Island, GA were burned and paired with unburned (control) plots of equal size. Throughout the following summer-fall flight season, we conducted …
Insect Immunity Varies Idiosyncratically During Overwintering., Laura V Ferguson, Brent J Sinclair
Insect Immunity Varies Idiosyncratically During Overwintering., Laura V Ferguson, Brent J Sinclair
Biology Publications
Overwintering insects face multiple stressors, including pathogen and parasite pressures that shift with seasons. However, we know little of how the insect immune system fluctuates with season, particularly in the overwintering period. To understand how immune activity changes across autumn, winter, and spring, we tracked immune activity of three temperate insects that overwinter as larvae: a weevil (Curculio sp., Coleoptera), gallfly (Eurosta solidaginis, Diptera), and larvae of the lepidopteran Pyrrharctia isabella. We measured baseline circulating hemocyte numbers, phenoloxidase activity, and humoral antimicrobial activity, as well as survival of fungal infection and melanization response at 12°C and 25°C to capture any …
Two New Records For Turkish Geometridae (Lepidoptera) Fauna From Ordu Province, Mustafa Özdemi̇r
Two New Records For Turkish Geometridae (Lepidoptera) Fauna From Ordu Province, Mustafa Özdemi̇r
Turkish Journal of Zoology
In this study, a group of specimens from the family Geometridae preserved in the Nazife Tuatay Plant Protection Museum is examined. The specimens were originally collected from Ordu, Turkey. As a result of this work, two new records for the Geometridae fauna of Turkey, namely Asthena anseraria (Herrich-Schaffer, [1855]) and Eupithecia selinata Herrich-Schaeffer, 1861 are given. Adult and genitalia figures of the species are presented.
Local Impacts Of White-Nose Syndrome On The Foraging Ecology Of Insectivorous Bats, Shelby Fulton
Local Impacts Of White-Nose Syndrome On The Foraging Ecology Of Insectivorous Bats, Shelby Fulton
Online Theses and Dissertations
Lepidoptera are a core resource for many of North America's insectivorous bats. These predators consume Lepidoptera of varying sizes, and some bat species remove the wings prior to consumption. Selection of larger prey and subsequent wing removal may allow bats to optimize the energetic value afforded by Lepidoptera. In Chapter 1, I explore the relationships between caloric yield, body size, and wing presence. Laboratory-reared Trichoplusia ni moths were grouped into large and small size classes, and wings were removed from half the moths in each size class. Bomb calorimetry was used to determine the gross heat (cal/g) of moths in …