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University of Nebraska - Lincoln

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Articles 1201 - 1230 of 4226

Full-Text Articles in Entomology

Knockdown Of Rna Interference Pathway Genes In Western Corn Rootworm, Diabrotica Virgifera Virgifera, Identifies No Fitness Costs Associated With Argonaute 2 Or Dicer-2, Carolina Camargo, Ke Wu, Elane Fishilevich, Kenneth E. Narva, Blair Siegfried Jan 2018

Knockdown Of Rna Interference Pathway Genes In Western Corn Rootworm, Diabrotica Virgifera Virgifera, Identifies No Fitness Costs Associated With Argonaute 2 Or Dicer-2, Carolina Camargo, Ke Wu, Elane Fishilevich, Kenneth E. Narva, Blair Siegfried

Department of Entomology: Faculty Publications

The use of transgenic crops that induce silencing of essential genes using double-stranded RNA (dsRNA) through RNA interference (RNAi) in western corn rootworm, Diabrotica virgifera virgifera, is likely to be an important component of new technologies for the control of this important corn pest. Previous studies have demonstrated that the dsRNA response in D. v. virgifera depends on the presence of RNAi pathway genes including Dicer-2 and Argonaute 2, and that down-regulation of these genes limits the lethality of environmental dsRNA. A potential resistance mechanism to lethal dsRNA may involve loss of function of RNAi pathway genes. However, …


The Ancognatha Erichson (Coleoptera: Scarabaeidae: Dynastinae: Cyclocephalini) Of Ecuador, With Description Of A New Species, Aura Paucar-Cabrera, Brett C. Ratcliffe Jan 2018

The Ancognatha Erichson (Coleoptera: Scarabaeidae: Dynastinae: Cyclocephalini) Of Ecuador, With Description Of A New Species, Aura Paucar-Cabrera, Brett C. Ratcliffe

Department of Entomology: Faculty Publications

Descriptions, diagnoses, locality and temporal records, distributional maps, and illustrations of the 11 species of Ancognatha Erichson occurring in Ecuador are provided. Four new country records are reported for Ecuador, and a new species is described. A female lectotype at the Natural History Museum (London) for Ancognatha jamesoni Murray is designated. A key to the Ecuadorian species is included.

Se proporcionan descripciones, diagnosis, localidades y meses de colecta, mapas de distribuci´on e ilustraciones de las 11 especies de Ancognatha Erichson que se encuentran en Ecuador. Se reportan cuatro registros nuevos para el pa´ıs y se describe una especie nueva. …


Ganganomala Saltini Ratcliffe, Jameson, And Zorn, A Newgenus And Species Ofanomalini (Coleoptera: Scarabaeidae: Rutelinae) From Bangladesh And Nepal, With A Revised Circumscription Of The Tribe, Brett C. Ratcliffe, Mary Liz Jameson, Carsten Zorn Jan 2018

Ganganomala Saltini Ratcliffe, Jameson, And Zorn, A Newgenus And Species Ofanomalini (Coleoptera: Scarabaeidae: Rutelinae) From Bangladesh And Nepal, With A Revised Circumscription Of The Tribe, Brett C. Ratcliffe, Mary Liz Jameson, Carsten Zorn

Department of Entomology: Faculty Publications

Ganganomala saltini Ratcliffe, Jameson, and Zorn, a new genus and new species of Anomalini (subtribe Anomalina), is described fromBangladesh and Nepal. To place the new genus within the context of the tribe and subtribe, we provide a key to the four subtribes of world Anomalini, a list of comparative characters and character states for diagnosis and classification of Old World Anomalina, and comparative diagnostic characters for genera of Old World Anomalina. Circumscription, description, diagnosis, and illustrations for the new genus and species are provided. As a result of this research, the Anomalina includes 50 genera and subgenera, and advances our …


Description Of A New Species Of Stenocrates Burmeister (Coleoptera: Scarabaeidae: Dynastinae: Cyclocephalini) From Peru, Brett C. Ratcliffe, Luis Figueroa Jan 2018

Description Of A New Species Of Stenocrates Burmeister (Coleoptera: Scarabaeidae: Dynastinae: Cyclocephalini) From Peru, Brett C. Ratcliffe, Luis Figueroa

Department of Entomology: Faculty Publications

A new species of Stenocrates Burmeister, 1847 (Coleoptera: Scarabaeidae: Dynastinae: Cyclocephalini) from Peru is described: Stenocrates lissothorax Ratcliffe and Figueroa.Adescription, diagnosis, distribution, and illustrations of the new species are provided. This represents the 52nd species in the genus, and the 15th species known from Peru.


Parental Rnai Suppression Of Kruppel Gene To Control Hemipteran Pests, Blair D. Siegfried, Kenneth E. Narva, Kanika Arora, Sarah E. Worden, Chitvan Khajuria, Elane Fishilevich, Nicholas P. Storer, Meghan Frey, Ronda L. Hamm, Ana Velez Jan 2018

Parental Rnai Suppression Of Kruppel Gene To Control Hemipteran Pests, Blair D. Siegfried, Kenneth E. Narva, Kanika Arora, Sarah E. Worden, Chitvan Khajuria, Elane Fishilevich, Nicholas P. Storer, Meghan Frey, Ronda L. Hamm, Ana Velez

Department of Entomology: Faculty Publications

This disclosure concerns nucleic acid molecules and methods of use thereof for control of hemipteran pests through RNA interference - mediated inhibition of target coding and transcribed non - coding sequences in hemipteran pests. The disclosure also concerns methods for making transgenic plants that express nucleic acid molecules useful for the control of hemipteran pests, and the plant cells and plants obtained thereby.


Concepts In Animal Parasitology: Example Chapter Section, Manuscript Of The Aspidogastrea By Klaus Rohde, Klaus Rohde Jan 2018

Concepts In Animal Parasitology: Example Chapter Section, Manuscript Of The Aspidogastrea By Klaus Rohde, Klaus Rohde

Concepts in Animal Parasitology

This is an example chapter section for Concepts in Animal Parasitology. It is a manuscript of the section titled The Aspidogastrea, written by by Klaus Rohde. This is an example of a section written without using the optional template for Parts 2-5 of the textbook. The associated images are included in a supplemental file.


Kit 16: Children's Library Kit, Lauren Segreto Jan 2018

Kit 16: Children's Library Kit, Lauren Segreto

Department of Entomology: Distance Master of Science Projects

Kit 16A- Insect Adaptation This kit serves as an introduction to a variety of insect adaptations. Learn about how insects adjust to their environment with this selection of images and sounds of various insects. Insects communicate with sound, with visuals, they walk, run, fly, and sometimes even swim, some insects are capable of camouflage, and others are pollinators. This kit provides a book focusing on the chirping of crickets, the reasons they chirp, as well as how they do it as well as a variety of pictures of other insects and their different adaptations that allow then to survive in …


Macroinvertebrates Of The Teton River Drainage, Maggie P .J. Heumann Jan 2018

Macroinvertebrates Of The Teton River Drainage, Maggie P .J. Heumann

Department of Entomology: Distance Master of Science Projects

About the Teton River 3

Maps of the Teton River 4-5

Macroinvertebrate & Life History Overview 6-8

Major Macroinvertebrate Groups

Mayflies 9-16: Ameletidae • Baetidae • Ephemerellidae • Heptageniidae • Leptohyphidae • Leptophlebiidae • Siphlonuridae

Caddisflies 17-22: Brachycentridae • Glossosomatidae • Hydropsychidae • Limnephilidae • Rhyacophilidae

Stoneflies 23-30: Capniidae • Chloroperlidae • Nemouridae • Perlidae • Perlodidae • Pteronarcyidae • Taeniopterygidae

True Flies 31-38: Athericidae • Ceraptopogonidae • Chironomidae • Culicidae • Empididae • Simuliidae • Tipulidae

Beetles 39-42: Dytiscidae • Elmidae • Haliplidae

Dragonflies & Damselflies 43

True Bugs (Hemiptera) 44

Worms & Leeches 45

Mollusks & Snails 46 …


Let’S Go Find A Bug, Jonathan Mcghee Jan 2018

Let’S Go Find A Bug, Jonathan Mcghee

Department of Entomology: Distance Master of Science Projects

The insect world is largely a mystery to many people. In fact, large parts of the insect world are mysteries to even those that study them. With the help of an extraordinary camera man, a vision, and the spirit of adventure, we set off on an endeavor to bring the minute insect world to the everyday person. Please join us as we capture a small amount of the biodiversity of Southern California and bring it right to your front door. Let’s go find a bug.


Mosquito 101, Joanna Tyszko Jan 2018

Mosquito 101, Joanna Tyszko

Department of Entomology: Distance Master of Science Projects

Training Module 1: Basics of Mosquito biology, ecology, physiology, and behavior

Training Module 2: Aedes aegypti

Training Module 3: Anopheles quadrimaculatus

Training Module 4: Culex quinquefasciatus

Quizzes

References


Managing The Economy Of Public Mosquito Control Thresholds, Peter T. Taylor Jan 2018

Managing The Economy Of Public Mosquito Control Thresholds, Peter T. Taylor

Department of Entomology: Distance Master of Science Projects

Seventy-four mosquito surveillance data sets involving over 35 species, from January 2013 to December of 2014 have been obtained with permission from Dr. Carl Boohene and Polk County Mosquito Control District in Central Florida and used as data for this project. These data are utilized to propose a practical, economically-based decision rule model that uniquely integrates human populations with mosquito species populations and budgetary constraints. Two different decision rule conventions are proposed and the choice to go with one of them reflects differing economic expenditure inroads on budgeted chemical and equipment resources. In general, if the threshold is higher, then …


South American Coccinellidae (Coleoptera), Part Xvii: Systematic Revision Of Western Hemisphere Cephaloscymnini (Coccinellinae) With Description Of A Cryptic New Genus And Species Of Coccidulini (Coccinellinae), Robert D. Gordon, Guy A. Hanley Dec 2017

South American Coccinellidae (Coleoptera), Part Xvii: Systematic Revision Of Western Hemisphere Cephaloscymnini (Coccinellinae) With Description Of A Cryptic New Genus And Species Of Coccidulini (Coccinellinae), Robert D. Gordon, Guy A. Hanley

Insecta Mundi

Genera of Cephaloscymnini (Coleoptera: Coccinellidae: Coccidulinae) are discussed and a key to all recognized genera and species is provided. Succinctonotum, new genus, is proposed. Scymnus laboulbenii Mulsant and Prodilis maculata Weise are transferred to Neaporia as new combinations. Prodiloides bipunctata Weise, and Neaporia compta are transferred to Prodilis as new combinations. Neaporia cuprea Gorham is considered a junior synonym of Neaporia viridiscens Gorham and Cephaloscymnus bruchi Weise a junior synonym of Prodilis volgus Mulsant. New species described in Cephaloscymnus are C. beulah, C. candice, C. juanita. New species described in Neaporia are N. becky, N. …


Synopsis Of The Tribe Zolini In New Zealand (Coleoptera: Carabidae), André Larochelle, Marie-Claude Larivière Dec 2017

Synopsis Of The Tribe Zolini In New Zealand (Coleoptera: Carabidae), André Larochelle, Marie-Claude Larivière

Insecta Mundi

The tribe Zolini (Carabidae: Trechinae) is revised for New Zealand. Two subtribes, five genera, and fortyeight species are recognized. The presence of the subtribe Merizodina is confirmed for New Zealand; it includes three genera (Maungazolus n. gen., Pseudoopterus Csiki, 1928, and Synteratus Broun, 1909). The subtribe Zolina contains two genera (Oopterus Guérin-Méneville, 1841 and Zolus Sharp, 1886).

One genus and twenty-five species are described as new: Maungazolus n. gen.; Maungazolus acutus n. sp., Maungazolus priestleyensis n. sp., Maungazolus ranatungae n. sp., Maungazolus septempunctatus n. sp., Maungazolus tararuaensis n. sp., Oopterus anglemensis n. sp., Oopterus arthurensis n. sp., Oopterus …


Primer Registro De Sarucallis Kahawaluokalani (Kirkaldy, 1907) (Hemiptera: Aphididae) En Lagerstroemia Indica (Lythraceae) En Guatemala, José Francisco García Ochaeta Dec 2017

Primer Registro De Sarucallis Kahawaluokalani (Kirkaldy, 1907) (Hemiptera: Aphididae) En Lagerstroemia Indica (Lythraceae) En Guatemala, José Francisco García Ochaeta

Insecta Mundi

El pulgón Sarucallis kahawaluokalani (Kirkaldy) conocido comúnmente como pulgón del árbol de júpiter, se reporta por primera vez para Guatemala. Esta especie de la familia Aphididae (Hemiptera) fue encontrada en Lagerstroemia indica (Lythraceae). También se presenta la información básica de la especie así como una diagnosis para identificarla.

The aphid Sarucallis kahawaluokalani (Kirkaldy), commonly known as the crape myrtle aphid, is recorded for the first time in Guatemala. This species of the family Aphididae (Hemiptera) was found on Lagerstroemia indica (Lythraceae), known as crape myrtle. The present work also presents basic information on this aphid species as well as a …


Systematic Revision Of The Species Of Geomyphilus (Coleoptera: Scarabaeidae: Aphodiinae) Of Mexico And Neighboring Countries With Description Of A New Mexican Species, Marco Dellacasa, Giovanni Dellacasa, Paul E. Skelley, Robert D. Gordon Dec 2017

Systematic Revision Of The Species Of Geomyphilus (Coleoptera: Scarabaeidae: Aphodiinae) Of Mexico And Neighboring Countries With Description Of A New Mexican Species, Marco Dellacasa, Giovanni Dellacasa, Paul E. Skelley, Robert D. Gordon

Insecta Mundi

A systematic redefinition of the species belonging to the genus Geomyphilus Gordon and Skelley, 2007 (Coleoptera: Scarabaeidae: Aphodiinae) of Mexico and neighboring countries is presented. The new species G. tuzincola of Mexico is described and figured. The new combination Coelotrachelus macgregori (Islas, 1955) is proposed.


Revision Of The Endemic Madagascan Stag Beetle Genus Ganelius Benesh, And Description Of A New, Related Genus (Coleoptera: Lucanidae: Lucaninae: Figulini), M. J. Paulsen Dec 2017

Revision Of The Endemic Madagascan Stag Beetle Genus Ganelius Benesh, And Description Of A New, Related Genus (Coleoptera: Lucanidae: Lucaninae: Figulini), M. J. Paulsen

Insecta Mundi

This paper revises the genus Ganelius Benesh, which is endemic to Madagascar, in the stag beetle tribe Figulini Burmeister (Coleoptera: Lucanidae: Lucaninae). Species in the genus are striking in their highly sexually dimorphic mandibles, a character that rarely occurs in the tribe. The genus was previously comprised of four species, but three of these names were problematic or questionably applied. A lectotype is designated for G. madagascariensis Laporte, a neotype is designated for Ganelius oberndorferi Nonfried, and Nigidius passaliformis Benesh is newly synonymized with G. oberndorferi. Two new species, G. gnamptus Paulsen and G. zombi Paulsen, are described from …


A New Cryptic Species Of Aleochara Gravenhorst Associated With Marmota Monax (Linnaeus) Burrows And Caves In North America (Coleoptera: Staphylinidae: Aleocharinae), Jan Klimaszewski, Reginald P. Webster, Adam Brunke Dec 2017

A New Cryptic Species Of Aleochara Gravenhorst Associated With Marmota Monax (Linnaeus) Burrows And Caves In North America (Coleoptera: Staphylinidae: Aleocharinae), Jan Klimaszewski, Reginald P. Webster, Adam Brunke

Insecta Mundi

A new cryptic species, Aleochara (Xenochara) castaneimarmotae Klimaszewski, Webster, and Brunke, new species (Coleoptera: Staphylinidae: Aleocharinae), associated with Marmota monax (Linnaeus) burrows and caves in eastern North America, is described and illustrated. A key to Canadian species of subgenus Xenochara Mulsant and Rey and revised distributions of the taxonomically difficult fumata species group are provided. Aleochara quadrata Sharp is recorded from Washington and Oregon for the first time.


Revision Of The Northern South American Species Of Mortoniella Ulmer, 1906 (Trichoptera: Glossosomatidae: Protoptilinae)*, Roger J. Blahnik, Ralph W. Holzenthal Dec 2017

Revision Of The Northern South American Species Of Mortoniella Ulmer, 1906 (Trichoptera: Glossosomatidae: Protoptilinae)*, Roger J. Blahnik, Ralph W. Holzenthal

Insecta Mundi

Species of Mortoniella are revised for the northern and Andean part of the South American continent, including the countries of Bolivia, Peru, Ecuador, Colombia, Venezuela, and Guyana. All previously described species from the region are reillustrated and redescribed, except for Mortoniella santiaga Sykora, 1999 and M. quinuas Harper and Turcotte, 1985, whose types could not be located, and M. tranquilla Martynov, 1912, whose type is based on a female specimen and thus is currently unidentifiable. Included in the revision are 35 described species and 59 new species. Mortoniella similis Sykora, 1999 is considered a junior synonym of M. roldani Flint, …


Redescripción Del Género Ogyges Kaup (Coleoptera: Passalidae) Con Una Lista Comentada De Los Tipos Primarios, Enio B. Cano Dec 2017

Redescripción Del Género Ogyges Kaup (Coleoptera: Passalidae) Con Una Lista Comentada De Los Tipos Primarios, Enio B. Cano

Insecta Mundi

Se redescribe el género Ogyges Kaup, 1871 (Coleoptera: Passalidae), incluyendo su historia taxonómica. Se presentan las imágenes, los datos registrados en las etiquetas, las coordenadas geográficas, mediciones, comentarios taxonómicos y las instituciones depositarias de 19 tipos primarios que fueron descritos o que están incluidos dentro del género Ogyges Kaup. El nombre infrasubespecífico Ogyges laevior ab. vinculotaenia Kuwert, 1897, está indisponible, de acuerdo al artículo 45.6.2 del ICZN.

The genus Ogyges Kaup, 1871 (Coleoptera: Passalidae) is redescribed, including the taxonomic history. Also, images, data registered in labels, geographic coordinates, measurements, taxonomic comments, and repository institutions of 19 primary types previously described …


Primer Registro De Celidophylla Albimacula Saussure Y Pictet, 1898 (Orthoptera: Tettigoniidae) En Panamá, Alonso Santos Murgas, Yostin J. Añino R., Iris Y. Gómez De Huertas Dec 2017

Primer Registro De Celidophylla Albimacula Saussure Y Pictet, 1898 (Orthoptera: Tettigoniidae) En Panamá, Alonso Santos Murgas, Yostin J. Añino R., Iris Y. Gómez De Huertas

Insecta Mundi

Celidophylla albimacula Saussure y Pictet, 1898 (Orthoptera: Tettigoniidae) es reportado por primera vez para Panamá. El espécimen fue colectado en la Reserva Hídrica de Turega, en la provincia de Coclé. Celidophylla albimacula solo había sido reportado anteriormente para Costa Rica y Nicaragua.

Celidophylla albimacula Saussure and Pictet, 1898 (Orthoptera: Tettigoniidae) is reported for the first time from Panama. The specimen was collected in the Turega Water Reserve in the province of Coclé. Celidophylla albimacula had only been previously reported for Costa Rica and Nicaragua.


Nomenclatural And Taxonomic Changes In Staphyliniformia (Coleoptera), Alfred F. Newton Dec 2017

Nomenclatural And Taxonomic Changes In Staphyliniformia (Coleoptera), Alfred F. Newton

Insecta Mundi

Many nomenclatural changes are implemented in the beetle families Georissidae, Histeridae, Hydraenidae, Hydrochidae, Hydrophilidae, Ptiliidae, Leiodidae and especially Staphylinidae, of the beetle series Staphyliniformia (Coleoptera), in preparation for making a world catalog of this group available online. Limited taxonomic changes are also made in the staphylinid subfamilies Osoriinae and Staphylininae.

At the level of family-group taxa, Article 29.4 of the current (1999) Zoological Code is reviewed and the original spellings of two tribal names, Nymphisterini Tishechkin (Histeridae) and Cryptonotopsisini Pace (Staphylinidae), are resurrected. The tribal name Stictocraniini Jakobson (Staphylinidae) is also resurrected as the valid name for its new synonym …


Genus Hydrosmecta C. G. Thomson: A Review Of Species Occurring In Eastern Canada (Coleoptera, Staphylinidae, Aleocharinae), Jan Klimaszewski, Reginald P. Webster, Anthony Davies Dec 2017

Genus Hydrosmecta C. G. Thomson: A Review Of Species Occurring In Eastern Canada (Coleoptera, Staphylinidae, Aleocharinae), Jan Klimaszewski, Reginald P. Webster, Anthony Davies

Insecta Mundi

Species of Hydrosmecta C. G. Thomson, occurring in eastern Canada, are studied and reviewed. Six species are recognized, and two of them are described as new to science. The new species are: Hydrosmecta canadensis Webster and Klimaszewski, new species, and Hydrosmecta minutissimoides Webster and Klimaszewski, new species. Two species described in the USA are recorded from Canada and New Brunswick for the first time: Hydrosmecta caduca Casey and Hydrosmecta dulcis Casey. New distribution and collection data, diagnoses, a key for species identification, and images of habitus and genital structures are provided. Hydrosmecta newfoundlandica Klimaszewski and Langor, 2011, is transferred …


New Genera And Species Of Mimetic Cleridae From Mexico And Central America (Coleoptera: Cleroidea), Jacques Rifkind Dec 2017

New Genera And Species Of Mimetic Cleridae From Mexico And Central America (Coleoptera: Cleroidea), Jacques Rifkind

Insecta Mundi

New genera and species of putatively mimetic Cleridae (Coleoptera: Cleroidea) are described from Mexico and Central America: Namba testacea, new genus and species from Nuevo León, Mexico; Aulicoides leavengoodi, new genus and species from Jalisco, Mexico; and Quadrophenia, new genus, which includes Q. townshendi, new species, from Mexico, Nicaragua, Costa Rica and Panama, Q. mooni, new species, from Costa Rica, Q. entwistlei, new species, from Guatemala and Honduras, Q. daltreyi, new species, from Costa Rica, and Q. sumidero new species, from Chiapas, Mexico. A key …


Phyllium (Phyllium) Brossardi Sp. Nov. (Phasmida, Phylliidae), A New Species Of Leaf Insect From Northern Borneo, Royce T. Cumming, Stéphane Le Tirant, Sierra N. Teemsma Dec 2017

Phyllium (Phyllium) Brossardi Sp. Nov. (Phasmida, Phylliidae), A New Species Of Leaf Insect From Northern Borneo, Royce T. Cumming, Stéphane Le Tirant, Sierra N. Teemsma

Insecta Mundi

A new species of leaf insect, Phyllium (Phyllium) brossardi Cumming, Le Tirant, and Teemsma, new species (Phasmida, Phylliidae), is described from a series of three males. A key to males of the currently known species from the siccifolium species group from Borneo is provided.


Advanced Biotechnology Tools For Invasive Species Management, Invasive Species Advisory Committee Dec 2017

Advanced Biotechnology Tools For Invasive Species Management, Invasive Species Advisory Committee

National Invasive Species Council

Increasingly, genetic tools are being used to detect and solve pressing environmental, social, and health-related challenges. It is clear that investments in technology innovation can be game changing, as advances in biotechnology may provide new methods to protect the nation’s resources from the negative impacts of invasive species. The current toolbox of management options is recognizably insufficient to deal with many of the high-impact species that have been introduced. However, “surrendering” to these species is generally not a viable option from ecological, health, economic, socio-cultural, or political perspectives. Cost-efficient solutions to these “grand invasive species challenges” need to be found. …


Enhancing Federal-Tribal Coordination Of Invasive Species, Blaine Parker, Chuck Bargeron, Sean Southey, Lori Buchanan, Miles Falck, Chris Fisher, Joe Maroney, Mervin Wright, Gintas Zavadkas Dec 2017

Enhancing Federal-Tribal Coordination Of Invasive Species, Blaine Parker, Chuck Bargeron, Sean Southey, Lori Buchanan, Miles Falck, Chris Fisher, Joe Maroney, Mervin Wright, Gintas Zavadkas

National Invasive Species Council

Invasive species are defined by the United States government to mean “with regard to a particular ecosystem, a non-native organism whose introduction causes or is likely to cause economic or environmental harm, or harm to human, animal, or plant health” (Executive Order [EO] 13751). The ecosystems to which invasive species are introduced or spread are not delimited by jurisdictional boundaries; they intersect with lands managed by federal, tribal, state, territorial, and county governments, as well as properties under private ownership. For this reason, effective coordination and cooperation across jurisdictions is of paramount importance in the prevention, eradication, and control of …


Horticulture For Pollinator Conservation, Carter M. Westerhold Dec 2017

Horticulture For Pollinator Conservation, Carter M. Westerhold

Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research

Pollinators worldwide are declining. Consequently, the agricultural and ecological services these insects provide are in danger of being lost. Land use intensification, via urbanization, has greatly influenced this decline in pollinators. Luckily, through targeted horticultural practices, stable populations of pollinators can be sustained within urban areas. The horticultural practices of planting diverse floral resources and managing pollinator habitat in urban areas can sustain these populations. Two studies were conducted with the intent to identify horticultural knowledge gaps that could be reduced to aid in pollinator conservation efforts. First, a study to compare Nebraska native and non-native ornamental plants was conducted. …


Spatial Variation In Western Corn Rootworm (Coleoptera: Chrysomelidae) Susceptibility To Bacillus Thuringiensis Corn Events In Nebraska, Jordan D. Reinders Dec 2017

Spatial Variation In Western Corn Rootworm (Coleoptera: Chrysomelidae) Susceptibility To Bacillus Thuringiensis Corn Events In Nebraska, Jordan D. Reinders

Department of Entomology: Dissertations, Theses, and Student Research

The western corn rootworm (WCR), Diabrotica virgifera virgifera LeConte, is an economically important pest species of field corn (Zea mays L.) in the U.S. Corn Belt. Yield losses and control costs exceed greater than $1 billion annually. Over the past 10+ years, growers have adopted transgenic corn hybrids expressing rootworm-active Bacillus thuringiensis (Bt) proteins as a primary WCR management tactic. Field-evolved resistance to Cry3Bb1 and mCry3A proteins expressed in single-trait Bt hybrids has been confirmed in some areas of Nebraska. Growers have used different tactics as needed to prevent or mitigate resistance, resulting in a mosaic of selection pressure placed …


Notes On The Tiger Beetles (Coleoptera: Carabidae: Cicindelinae) Of Vietnam. 135. Contribution Towards The Knowledge Of Cicindelinae, Jürgen Wiesner, Aligi Bandinelli, Andrey Matalin Nov 2017

Notes On The Tiger Beetles (Coleoptera: Carabidae: Cicindelinae) Of Vietnam. 135. Contribution Towards The Knowledge Of Cicindelinae, Jürgen Wiesner, Aligi Bandinelli, Andrey Matalin

Insecta Mundi

Distributional records of the 177 tiger beetle species and subspecies known for Vietnam are given together with a key and habitus photos (Coleoptera: Carabidae: Cicindelinae). Tricondyla (Tricondyla) macrodera abruptesculpta Horn, 1925, Protocollyris festiva Naviaux, 2008, Neocollyris (Brachycollyris) purpureomaculata borea Naviaux, 1994, Neocollyris (Brachycollyris) torosa Naviaux, 2010, Neocollyris (Leptocollyris) rogeri Shook and Wu, 2006, Neocollyris (Leptocollyris) laosensis Naviaux, 1999, Neocollyris (Stenocollyris) rubens (Bates, 1878), Neocollyris (Pachycollyris) tricolor Naviaux, 1991, Neocollyris (Pachycollyris) panfilovi Naviaux and Matalin, 2002, Therates rugulosus Horn, 1900, Therates bannapecolus Sawada and Wiesner, 1999, Calochroa interruptofasciata flavolineata (Chaudoir, 1865), Cylindera (Ifasina) cyclobregma Acciavatti and Pearson, 1989, Cylindera (Ifasina) decolorata …


Description Of A New Species Of Adesmus Lepeletier And Audinet-Serville, 1825, Displaying Chromatic Dimorphism, From Bolivia (Coleoptera, Cerambycidae, Lamiinae, Hemilophini), James E. Wappes, Antonio Santos-Silva Nov 2017

Description Of A New Species Of Adesmus Lepeletier And Audinet-Serville, 1825, Displaying Chromatic Dimorphism, From Bolivia (Coleoptera, Cerambycidae, Lamiinae, Hemilophini), James E. Wappes, Antonio Santos-Silva

Insecta Mundi

Adesmus martinsi (Coleoptera, Cerambycidae, Lamiinae, Hemilophini), a new species from Bolivia, is described, illustrated, and included in a previous key. The new species displays gender dimorphism in the pubescent pattern and in anatomical structure. Thus, Adesmus becomes the second genus recorded in the Hemilophini to have visual chromatic dimorphism.