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Articles 7201 - 7230 of 11445
Full-Text Articles in Entomology
Genetic Variability Of The European Corn Borer, Ostrinia Nubilalis, Suggests Gene Flow Between Populations In The Midwestern United States, Jeffrey T. Krumm, Thomas E. Hunt, Steven R. Skoda, Gary L. Hein, Donald J. Lee, Pete L. Clark, John E. Foster
Genetic Variability Of The European Corn Borer, Ostrinia Nubilalis, Suggests Gene Flow Between Populations In The Midwestern United States, Jeffrey T. Krumm, Thomas E. Hunt, Steven R. Skoda, Gary L. Hein, Donald J. Lee, Pete L. Clark, John E. Foster
Department of Entomology: Faculty Publications
The European corn borer, Ostrinia nubilalis (Hübner) (Lepidoptera: Crambidae), is a widely distributed and serious economic pest to corn production in the U.S. Genetic variability of O. nubilalis was studied in 18 sub-populations in the upper Midwestern United States using amplified fragment length polymorphism. The relatively low GST values indicate that more variation exists within populations than between populations. High gene flow (Nm) values were indicated across the entire O. nubilalis population; the lowest degree of gene flow was in the northern samples (Nm = 1.96) and the highest degree of gene flow was in the southern samples (Nm = …
Nebline, Nov./Dec. 2008
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Make a Difference: Reduce, Reuse, Recycle
2008 Crop Year in Review
Preserve Grain Quality with Aeration Management
Estimating Corn Drydown Time
It’s Not Easy Being Green During Nebraska’s Winters
Put on an Extra Blanket (Winter Mulching)
Avoid Stacking Firewood Next to House
The Keys to a Perfect Thanksgiving Meal
$tretch Your Food Dollar During the Holiday Season
Healthy Eating: Easy as Pie—Turkey Pot Pie
Family & Community Education (FCE) Clubs: Presidents’ Notes—Bonnie’s Bits
FCE News & Events
Household Hints: Keep Kitchen and Bathroom Clean During Guest Season
Skip the “Humbug!” 10 Tips to Relieve Holiday Stress
Housecleaning Ergonomics: How to …
Does Repeated Burial Of Skeletal Muscle Tissue (Ovis Aries) In Soil Affect Subsequent Decomposition?, David O. Carter, Mark Tibbett
Does Repeated Burial Of Skeletal Muscle Tissue (Ovis Aries) In Soil Affect Subsequent Decomposition?, David O. Carter, Mark Tibbett
Department of Entomology: Faculty Publications
The repeated introduction of an organic resource to soil can result in its enhanced degradation. This phenomenon is of primary importance in agroecosystems, where the dynamics of repeated nutrient, pesticide, and herbicide amendment must be understood to achieve optimal yield. Although not yet investigated, the repeated introduction of cadaveric material is an important area of research in forensic science and cemetery planning. It is not currently understood what effects the repeated burial of cadaveric material has on cadaver decomposition or soil processes such as carbon mineralization. To address this gap in knowledge, we conducted a laboratory experiment using ovine ( …
Regulation Of Oviposition In Anopheles Gambiae S.S.: Role Of Inter- And Intra-Specific Signals, Leunita A. Sumba, C. Brandon Ogbunugafor, Arop L. Deng, Ahmed Hassanali
Regulation Of Oviposition In Anopheles Gambiae S.S.: Role Of Inter- And Intra-Specific Signals, Leunita A. Sumba, C. Brandon Ogbunugafor, Arop L. Deng, Ahmed Hassanali
All Peer-Reviewed Publications
Females of Anopheles gambiae Giles normally oviposit in a large number of fresh, small, sunlit, and spatially spread temporary pools. Such pools are associated with lower levels of predation compared to large, longer-lasting habitats. We compared oviposition levels on preferred (water collected from natural anopheline larval habitats) and non-preferred (distilled water) aqueous substrates by gravid females that contained different densities of conspecific eggs or early and late instar larvae. The presence of conspecific larvae, but not eggs, had a positive or negative effect on the ovipositional responses of gravid An. gambiae females, depending on the quality (preferred or non-preferred by …
Review Of The West Indian Species Of Efferia Coquillett (Diptera: Asilidae): Part 1. Bahamas, Cayman Islands, Cuba, And Jamaica, Aubrey G. Scarbrough, Daniel E. Perez-Gelabert
Review Of The West Indian Species Of Efferia Coquillett (Diptera: Asilidae): Part 1. Bahamas, Cayman Islands, Cuba, And Jamaica, Aubrey G. Scarbrough, Daniel E. Perez-Gelabert
Insecta Mundi
The genus Efferia Coquillett from the Bahamas, Cayman Islands, Cuba, and Jamaica is reviewed. The fauna now totals 16 species with 6 new species described (Ef. bellardii n. sp., Ef. bromleyi n. sp., Ef. hinei n. sp., Ef. insula n. sp., Ef. pina n. sp., and Ef. vinalensis n. sp.). Cuba has the greatest diversity with 10 species, Jamaica 3, the Bahamas 2, and the Cayman Islands 1. Efferia stylata (Fabricius) is removed from the species list of these West Indian islands. The wings of Ef. caymanensis Scarbrough and Ef. bromleyi, spermathecae of Ef. bromleyi, Ef. cubensis (Bromley), Ef. …
Taxonomic Review Of The Neotropical Tetragonoderus Quadriguttatus Assemblage (Coleoptera: Carabidae: Cyclosomini) With Description Of T. Deuvei, New Species, And New West Indian And Nearctic Locality Records, Danny Shpeley, George E. Ball
Taxonomic Review Of The Neotropical Tetragonoderus Quadriguttatus Assemblage (Coleoptera: Carabidae: Cyclosomini) With Description Of T. Deuvei, New Species, And New West Indian And Nearctic Locality Records, Danny Shpeley, George E. Ball
Insecta Mundi
The Tetragonoderus (Peronoscelis) quadriguttatus assemblage is a postulated monophyletic part of the intersectus complex. This assemblage is characterized against a background that includes review of a classification of the genus and comparison, in the form of a key, to other unrelated Western Hemisphere genera that share elongate tibial spurs with Tetragonoderus Dejean. The principal, easily observed feature that unites the three members (T. laevigatus Chaudoir, 1876; T. deuvei, new species (type locality: Cuijaba, Mato Grosso, Brazil), and T. quadriguttatus Dejean) of the quadriguttatus assemblage is the four-spotted elytra (two spots per elytron). These species are treated in detail, …
A New Genus Of Telephanine Silvanidae (Coleoptera: Cucujoidea), With A Diagnosis Of The Tribe And Key To Genera, Michael C. Thomas, Eugenio H. Nearns
A New Genus Of Telephanine Silvanidae (Coleoptera: Cucujoidea), With A Diagnosis Of The Tribe And Key To Genera, Michael C. Thomas, Eugenio H. Nearns
Insecta Mundi
Australophanus, new genus, is described and illustrated for Cryptamorpha redtenbacheri (Reitter). Platamus Erichson is synonymized under Telephanus Erichson, new synonymy. Euplatamus Sharp, new status, replaces Platamus Erichson as the genus name. Type species are designated for Aplatamus Grouvelle and Euplatamus Sharp. Telephanus velox (Haldeman) is synonymized under Telephanus atricapillus Erichson. A diagnosis of the tribe Telephanini, a key to the described telephanine genera of the world is presented, and a phylogeny of the family Silvanidae is proposed.
Familiarity With Breeding Habitat Improves Daily Survival In Colonial Cliff Swallows, Charles R. Brown, Mary Bomberger Brown, Kathleen R. Brazeal
Familiarity With Breeding Habitat Improves Daily Survival In Colonial Cliff Swallows, Charles R. Brown, Mary Bomberger Brown, Kathleen R. Brazeal
School of Natural Resources: Faculty Publications
One probable cost of dispersing to a new breeding habitat is unfamiliarity with local conditions such as the whereabouts of food or the habits of local predators, and consequently immigrants may have lower probabilities of survival than more experienced residents. Within a breeding season, estimated daily survival probabilities of cliff swallows, Petrochelidon pyrrhonota, at colonies in southwestern Nebraska, USA, were highest for birds that had always nested at the same site, followed by those for birds that had nested there in some (but not all) past years. Daily survival probabilities were lowest for birds that were naive immigrants to …
Vertical Distribution Of Spiders (Araneae) On A Tropical Island, Eric Brown
Vertical Distribution Of Spiders (Araneae) On A Tropical Island, Eric Brown
Independent Study Project (ISP) Collection
The distribution of spiders into vertical layers was studied on Misali Island. In particular, differences in diversity, species richness, abundance, and body length were analyzed. A variety of collection methods were used in order to capture as many different species as possible from three levels of forest: leaf litter, groundcover (up to 1m), and understory (up to 3m). After being sorted to the morphospecies level, the spiders were cataloged and several statistical tests were run. These tests show that spiders do show species-level stratification between different levels of forest. They also pointed towards a particularly firm dividing line between species …
Improving Beekeeping On Unguja Island, Larken Root
Improving Beekeeping On Unguja Island, Larken Root
Independent Study Project (ISP) Collection
The purpose of this study was to investigate the current practices and methods for improvement of beekeeping on Unguja Island in Zanzibar. Beekeeping has been occurring for many years in Unguja but has retained traditional techniques with little improvement. Improvement can occur in the form of introduction of modern equipment, formation of beekeeping organizations, advancing and diversifying products, and gaining governmental support. Beekeeping is worthy of expansion because of its potential to increase rural income in a sustainable way as well as support conservation of forest areas. The study found that there has so far been little improvement of income …
Nebline, October 2008
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Introducing the Nebraska 4-H Diamond Clover Program
How to Reduce Energy Cost for Grain Drying
Use Season-Long Records to Assess Pumping Plant Performance
Proper Care of Pumpkins and Gourds Means Use Beyond Halloween Decor
Fall Planting
Poinsettia
Deer Damage
Compost Excellent Tool to Correct Soil Erosion
Cleaning the Kitchen Cupboard: Toss or Save?
$tretch Your Food Dollar with “Healthy Treats” (No Tricks)
Healthy Eating: Homemade Whole Grain Croutons
Family & Community Education (FCE) Clubs: Presidents’ Notes—Bonnie’s Bits
FCE News & Events
Household Hints: Compact Fluorescent Bulbs
Protect Credit Ratings With Proper Debt Management
Make a Cornucopia from the Garden
10 …
Cross Mating Studies Among Five Fruit Fly Parasitoid Populations: Potential Biological Control Implications For Tephritid Pests, Maxwell K. Billah, Susan W. Kimani-Njogu, Robert A. Wharton, William A. Overholt, David D. Wilson, Millicent A. Cobblah
Cross Mating Studies Among Five Fruit Fly Parasitoid Populations: Potential Biological Control Implications For Tephritid Pests, Maxwell K. Billah, Susan W. Kimani-Njogu, Robert A. Wharton, William A. Overholt, David D. Wilson, Millicent A. Cobblah
All Peer-Reviewed Publications
The reproductive compatibility between four different species/populations of the tephritid parasitoid Psyttalia (Walker) species from Kenya and individuals of the morphologically identical Psyttalia concolor (Szépligeti) (Hymenoptera: Braconidae) from a laboratory culture in Italy used in augmentative biological control of olive fly, Bactrocera oleae (Gmelin) (Diptera: Tephritidae) was assessed through cross mating tests using single-pair and group mating methods. Reciprocal crosses among the species resulted in the production of viable offsprings up to the second generation. In spite of the successful production of viable offspring in the laboratory, Psyttalia species are known to have specific host fruit and/or host fly preferences …
Yellow Sac Spiders, Ryan S. Davis
Yellow Sac Spiders, Ryan S. Davis
All Current Publications
Most Utahn’s are familiar with the hobo spider (Tegenaria agrestis) and its potentially harmful bite. However, most Utahn’s don’t know that there is another spider commonly entering homes that may have a similar, but less toxic bite than the hobo—the yellow sac spider Chiracanthium inclusum).
World Checklist Of Tribe Calpini (Lepidoptera: Noctuidae: Calpinae), J. M. Zaspel, M. A. Branham
World Checklist Of Tribe Calpini (Lepidoptera: Noctuidae: Calpinae), J. M. Zaspel, M. A. Branham
Insecta Mundi
A preliminary checklist of Calpini is provided, incorporating corrections and changes to publication dates and nomenclature as presented in the checklists of Poole (1989), Fibiger and Lafontaine (2005), and Holloway (2005). Culasta Moore is removed from synonymy with Calyptra Ochsenheimer. Eudocima talboti (Prout) and Graphigona antica Walker are placed in synonymy with E. cajeta (Cramer) and G. regina (Guenée), respectively. Africalpe Krüger, Ferenta Walker, Gonodonta Hübner, Graphigona Walker, Oraesia Guenée, and Tetrisia Walker, are added to the tribe based on shared characters. The genera Cecharismena Möschler, Goniapteryx Perty, Pharga Walker, Phyprosopus Grote, Psammathodoxa Dyar, and Radara Walker are removed and …
A New Prey Record And Range Extension For Hyperaspis Paludicola Schwarz And A New Prey Record For Microweisea Misella (Leconte) (Coleoptera: Coccinellidae), Robert Gordon, John Davidson
A New Prey Record And Range Extension For Hyperaspis Paludicola Schwarz And A New Prey Record For Microweisea Misella (Leconte) (Coleoptera: Coccinellidae), Robert Gordon, John Davidson
Insecta Mundi
The miscanthus mealybug, Miscanthicoccus miscanthi (Takahashi) (Hemiptera: Pseudococcidae), is newly reported as prey for the lady beetle Hyperaspis paludicola Schwarz (Coleoptera: Coccinellidae) at the Regan National Airport, Washington, DC (northern range extension). A new armored scale prey, Diaspidiotus ancyclus (Putnam) (Hemiptera: Diaspididae), for the lady beetle Microweisea misella (LeConte) (Coleoptera: Coccinellidae) is recorded. A range extension for Hyperaspis paludicola is reported.
Hesperiidae Of Rondônia, Brazil: Porphyrogenes Watson (Lepidoptera: Pyrginae: Eudamini), With Descriptions Of New Species From Central And South America, George T. Austin, Olaf H. H. Mielke
Hesperiidae Of Rondônia, Brazil: Porphyrogenes Watson (Lepidoptera: Pyrginae: Eudamini), With Descriptions Of New Species From Central And South America, George T. Austin, Olaf H. H. Mielke
Insecta Mundi
The pyrgine genus Porphyrogenes Watson, 1893 (Hesperiidae) is discussed, especially as it occurs in central Rondônia, Brazil. Of eleven species of Porphyrogenes found in Rondônia, four (P. specularis, P. convexus, P. sparus, and P. spadix) are described as new species. Biological details of the genus are discussed. An additional five new species of Porphyrogenes (P. spina, P. sporta, P. splendidus, P. simulator, and P. speciosus) are described from elsewhere. Porphyrogenes cervinus (Plötz, 1883), new synonym of Porphyrogenes ferruginea (Plötz, 1883), reinstated status, is raised from a subspecies of Porphyrogenes despecta (Butler, 1870) to species-level. Porphyrogenes omphale …
A New Genus And Two New Species Of Pteroplatini Thomson From Central America (Coleoptera: Cerambycidae), Ian Swift
Insecta Mundi
A new genus and species in the tribe Pteroplatini Thomson, Nubosoplatus inbio Swift, and a new species of Corynellus Bates, C. lampyrimorphus Swift, are described from cloud forest habitats in Costa Rica.
Nomina Dubia And Faunistic Issues With New Zealand Spiders (Araneae), Pierre Paquin, Cor J. Vink, Nadine Duperre, Phil J. Servid, David J. Court
Nomina Dubia And Faunistic Issues With New Zealand Spiders (Araneae), Pierre Paquin, Cor J. Vink, Nadine Duperre, Phil J. Servid, David J. Court
Insecta Mundi
Attempts to clarify the identity of obscure New Zealand spider taxa have lead to the conclusion that six species are best treated as nomina dubia [Philodromus rubrofrontus Urquhart 1891 (Philodromidae); Dictyna urquhartii Roewer 1951, (Dictynidae); Linyphia albiapiata Urquhart 1891, Linyphia cruenta Urquhart 1891, Linyphia multicolor Urquhart 1891, Linyphia pellos Urquhart 1891 (Linyphiidae)]. Four species currently listed in Araneus Clerck 1757 (Araneidae) are re-affirmed as synonyms [Araneus lineaacutus (Urquhart 1887) = Zealaranea crassa (Walckenaer 1842), Araneus powelli (Urquhart 1894) = Novaranea laevigata (Urquhart 1891), Araneus sublutius (Urquhart 1892b) = Zealaranea trinotata (Urquhart 1890), Araneus ventricosellus (Roewer 1942) = Eriophora heroine …
Co-Up-Regulation Of Three P450 Genes In Response To Permethrin Exposure In Permethrin Resistant House Flies, Musca Domestica, Fang Zhu, Ting Li, Lee Zhang, Nannan Liu
Co-Up-Regulation Of Three P450 Genes In Response To Permethrin Exposure In Permethrin Resistant House Flies, Musca Domestica, Fang Zhu, Ting Li, Lee Zhang, Nannan Liu
Entomology Faculty Publications
BACKGROUND: Insects may use various biochemical pathways to enable them to tolerate the lethal action of insecticides. For example, increased cytochrome P450 detoxification is known to play an important role in many insect species. Both constitutively increased expression (overexpression) and induction of P450s are thought to be responsible for increased levels of detoxification of insecticides. However, unlike constitutively overexpressed P450 genes, whose expression association with insecticide resistance has been extensively studied, the induction of P450s is less well characterized in insecticide resistance. The current study focuses on the characterization of individual P450 genes that are induced in response to permethrin …
A New Species Of Cecidomyia (Diptera: Cecidomyiidae) Feeding On Resin Of Baldcypress, Raymond Gagne, Kenneth Hibbard
A New Species Of Cecidomyia (Diptera: Cecidomyiidae) Feeding On Resin Of Baldcypress, Raymond Gagne, Kenneth Hibbard
USDA Systematic Entomology Laboratory
Cecidomyia lamellate Gagné, new species, is described from adults of both sexes, pupae, and larvae taken from resin in branchlet swellings of baldcypress, Taxodium distichum (L.) Rich. (Taxodiaceae), in Fort Pierce, Florida. Some anatomical characters of the new species depart from the previously known limits of the genus. Baldcypress is the first known non- Pinaceae host of Cecidomyia.
Phylogeographical Structure And Evolutionary History Of Two Buggy Creek Virus Lineages In The Western Great Plains Of North America, Abinash Padhi, Amy T. Moore, Mary Bomberger Brown, Jerome E. Foster, Martin Pfeffer, Kathryn P. Gaines, Valerie A. O'Brien, Stephanie A. Strickler, Allison E. Johnson, Charles R. Brown
Phylogeographical Structure And Evolutionary History Of Two Buggy Creek Virus Lineages In The Western Great Plains Of North America, Abinash Padhi, Amy T. Moore, Mary Bomberger Brown, Jerome E. Foster, Martin Pfeffer, Kathryn P. Gaines, Valerie A. O'Brien, Stephanie A. Strickler, Allison E. Johnson, Charles R. Brown
School of Natural Resources: Faculty Publications
Buggy Creek virus (BCRV) is an unusual arbovirus within the western equine encephalitis complex of alphaviruses. Associated with cimicid swallow bugs (Oeciacus vicarius) as its vector and the cliff swallow (Petrochelidon pyrrhonota) and house sparrow (Passer domesticus) as its amplifying hosts, this virus is found primarily in the western Great Plains of North America at spatially discrete swallow nesting colonies. For 342 isolates collected in Oklahoma, Nebraska, Colorado, and North Dakota, from 1974 to 2007, we sequenced a 2076 bp region of the 26S subgenomic RNA structural glycoprotein coding region, and analyzed phylogenetic relationships, …
Nebline, September 2008
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Establishing and Maintaining Lawns in Low Light
Fending Off Asian Lady Beetles
UNL Water Web Site
Landscaping for Energy
Planting Balled and Burlapped Plants
Planting Peonies
Well Abandonments
The Mothball Mishap and Other Thoughtless Ways to Misuse Pesticides
The Truth about Hedge Apples
Kids Are Back in School and So Are Head Lice
Freezing Sandwiches
Family & Community Education (FCE) Clubs: Presidents’ Notes—Bonnie’s Bits
FCE News & Events
Household Hints: Clean oven and BBQ mitts
Parenting Athletes to be Good Sports
Great Fans. Great Sports. Sportsmanship Checklist
Controlling Winter Annual Grasses in Pastures
Fall Is a Good Time to Control …
Hexapod Herald - Vol. 20, No. 4, September 2008
Hexapod Herald - Vol. 20, No. 4, September 2008
Hexapod Herald and Other Entomology Department Newsletters
Contents:
Congratulations
Welcome
Publications
Grants
Meet a Distance Student
Faculty News
Student News
Travel
From the Office
Visitors
Temperature Affects Microbial Decomposition Of Cadavers (Rattus Rattus) In Contrasting Soils, David O. Carter, David Yellowlees, Mark Tibbett
Temperature Affects Microbial Decomposition Of Cadavers (Rattus Rattus) In Contrasting Soils, David O. Carter, David Yellowlees, Mark Tibbett
Department of Entomology: Faculty Publications
The ecology of soils associated with dead mammals (i.e. cadavers) is poorly understood. Although temperature and soil type are well known to influence the decomposition of other organic resource patches, the effect of these variables on the degradation of cadavers in soil has received little experimental investigation. To address this, cadavers of juvenile rats (Rattus rattus) were buried in one of three contrasting soils (Sodosol, Rudosol, and Vertosol) from tropical savanna ecosystems in Queensland, Australia and incubated at 29 °C, 22 °C, or 15 °C in a laboratory setting. Cadavers and soils were destructively sampled at intervals of …
Crickets, Erin W. Hodgson, Jessie Trina
Crickets, Erin W. Hodgson, Jessie Trina
All Current Publications
Crickets are closely related to grasshoppers and katydids, all belonging in the order Orthoptera. The family of “true crickets” is called Gryllidae, which includes more than 900 different species worldwide. In Utah, we have several species of field crickets and snowy tree crickets located throughout the state. True crickets are often confused with grasshoppers and katydids because they have similar body shapes and large hind legs for jumping.
Preliminary Checklist Of The Mecoptera Of Florida: Earwigflies, Hangingflies, And Scorpionflies, Louis A. Somma, James C. Dunford
Preliminary Checklist Of The Mecoptera Of Florida: Earwigflies, Hangingflies, And Scorpionflies, Louis A. Somma, James C. Dunford
Insecta Mundi
We provide the first species checklist of Mecoptera indigenous to Florida, based upon preliminary data gathered primarily from specimens housed in the Florida State Collection of Arthropods. There are 11 described and one undescribed species of mecopterans, representing three families, inhabiting the state of Florida. These include the recently discovered meropeid (earwigfly), Merope tuber Newman, four species of bittacids (hangingflies), represented by the genus Bittacus Latreille, and 7 species (one undescribed) of panorpids (scorpionflies), represented by the genus Panorpa Linnaeus. We are not certain if one of these, Bittacus texanus Banks, is indigenous, represents a nonindigenous occurrence, or is simply …
The Bees Of Greater Puerto Rico (Hymenoptera: Apoidea: Anthophila), Julio A. Genaro, Nico M. Franz
The Bees Of Greater Puerto Rico (Hymenoptera: Apoidea: Anthophila), Julio A. Genaro, Nico M. Franz
Insecta Mundi
The bee fauna of the Greater Puerto Rico area was studied. A review of the previous relevant studies is presented. An annotated catalog and information about the origin and distributional patterns are also provided. Thirty-nine species of bees occur in Puerto Rico and adjacent islands. This fauna is composed of four elements: exclusive Puerto Rican endemics (26.5%); Antillean endemics occurring on multiple islands (76.5%); continental species that have also colonized the Antilles (23.5%); and species introduced through human activity (12.8%). The bee fauna was both low in its diversity and showed the highest level of disharmony in relation to other …
A New Species Of The Genus Aiolopus Fieber (Oedipodinae: Acrididae) From Libya, Mohammad Kamil Usmani
A New Species Of The Genus Aiolopus Fieber (Oedipodinae: Acrididae) From Libya, Mohammad Kamil Usmani
Insecta Mundi
The genus Aiolopus was proposed by Fieber (1853) with Gryllus thalassinus Fabricius (1781) as the type species. Later, two genera Epacromia Fischer and Aeoloptilus Bei-Bienko were synonymized with Aiolopus by Rehn (1902) and Hollis (1968) respectively. The genus was revised by Hollis (1968) who recognized seven species. Only three species have been described after Hollis (1968): A. markamensis Yin, 1984, A. nigritibis Zheng and Wei, 2000 and A. puissanti Defaut, 2005. At present thirteen species of Aiolopus are known worldwide according to Eades and Otte (2008). Previously, three species of Aiolopus have been reported from Libya. The genus is now …
Gene Expression And Phenotype Response Of Drosophila Melanogaster To Selection., Kenneth W. Mcdonald
Gene Expression And Phenotype Response Of Drosophila Melanogaster To Selection., Kenneth W. Mcdonald
Electronic Theses and Dissertations
The evolution of phenotypic plasticity is currently a topic of paramount interest in a diverse field of sub-disciplines. Salience is placed by all fields in describing the interaction of selection and phenotypic plasticity and the consequence of this interaction more broadly on evolution. Lacking in the discussion is substantial empirical description of genotype/phenotype interactions that by definition constitute the plastic response to novel and stressful environments. Here, I present empirical observations that bring the interaction of genotype and phenotype into focus. Drosophila melanogaster populations subjected to selection for tolerance to low food or high alcohol conditions each exhibited an enhancement …
Investigation Of Gene And Protein Expression Based On Honey Bee (Apis Mellifera) Aging, Flight Experience, And Behavior, Azucena A. Benito, G. E. Mancinelli, A. Ammons, Michelle M. Elekonich
Investigation Of Gene And Protein Expression Based On Honey Bee (Apis Mellifera) Aging, Flight Experience, And Behavior, Azucena A. Benito, G. E. Mancinelli, A. Ammons, Michelle M. Elekonich
Undergraduate Research Opportunities Program (UROP)
Honeybees undergo a process of adult behavioral development, spending their first 2-3 weeks working inside the constant environment of the hive. At about 3 weeks of age workers leave the hive as foragers who gather pollen and nectar. Previous research found that bees show an enormous decline in immunity as a result of their transition from regular hive jobs to more difficult foraging activities. Foragers can be forced to go back into hive-tasks, thus becoming “reverted nurses” which may also allow a reversal of immunosenescence. Understanding how this happens could prove to be useful because if there is flexibility in …