Cockroaches, 2010 Utah State University
Cockroaches, Ryan S. Davis
All Current Publications
Cockroaches are one of the most difficult structural pests to eradicate because of their ability to hide, rapid reproduction, and resistance to and avoidance of many commonly used insecticide sprays and baits. Using an integrated pest management (IPM) program can greatly increase the possibility of successful control. There are 4 cockroach species that commonly infest structures in Utah, each with a specific biology; identify invading cockroaches before you develop an IPM plan. Proper identification of any pest will allow you to understand its biology, and use it against itself!
Proteases As Insecticidal Agents, 2010 United States Department of Agriculture
Proteases As Insecticidal Agents, Robert L. Harrison, Bryony C. Bonning
Proteases from a variety of sources (viruses, bacteria, fungi, plants, and insects) have toxicity towards insects. Some of these insecticidal proteases evolved as venom components, herbivore resistance factors, or microbial pathogenicity factors, while other proteases play roles in insect development or digestion, but exert an insecticidal effect when over-expressed from genetically engineered plants or microbial pathogens. Many of these proteases are cysteine proteases, although insect-toxic metalloproteases and serine proteases have also been examined. The sites of protease toxic activity range from the insect midgut to the hemocoel (body cavity) to the cuticle. This review discusses these insecticidal proteases along with ...
Video-Tracking And On-Plant Tests Show Cry1ab Resistance Influences Behavior And Survival Of Neonate Ostrinia Nubilalis Following Exposure To Bt Maize, 2010 United States Department of Agriculture
Video-Tracking And On-Plant Tests Show Cry1ab Resistance Influences Behavior And Survival Of Neonate Ostrinia Nubilalis Following Exposure To Bt Maize, Jarrad R. Prasifka, Richard L. Hellmich, Andre Lb Crespo, Blair D. Siegfried, David W. Onstad
To examine how resistance to Bacillus thuringiensis (Bt) toxins influences movement and survival of European corn borer (Ostrinia nubilalis [Hübner]) neonates, the responses of Cry1Ab-resistant , -susceptible, and hybrid (F1) larvae were examined using two different techniques. First, using an automated video-tracking system, aspects of O. nubilalis movement were quantified in the presence of artificial diet incorporating 50% non-Bt or insect-resistant Cry1Ab maize tissue. Second, O. nubilalis dispersal and survival were measured 48–72 h after hatching on a Cry1Ab maize plant surrounded by two non-Bt maize plants. Video tracking indicated the presence of Cry1Ab tissue increased the total distance moved ...
Ecological Niche Modeling Of Potential West Nile Virus Vector Mosquito Species In Iowa, 2010 University of Northern Iowa
Ecological Niche Modeling Of Potential West Nile Virus Vector Mosquito Species In Iowa, Scott R. Larson, John P. Degroote, Lyric Bartholomay, Ramathan Sugumaran
Ecological niche modeling (ENM) algorithms, Maximum Entropy Species Distribution Modeling (Maxent) and Genetic Algorithm for Rule-set Prediction (GARP), were used to develop models in Iowa for three species of mosquito — two significant, extant West Nile virus (WNV) vectors (Culex pipiens L and Culex tarsalis Coquillett (Diptera: Culicidae)), and the nuisance mosquito, Aedes vexans Meigen (Diptera: Culicidae), a potential WNV bridge vector. Occurrence data for the three mosquito species from a state-wide arbovirus surveillance program were used in combination with climatic and landscape layers. Maxent successfully created more appropriate niche models with greater accuracy than GARP. The three Maxent species' models ...
Sequencing Of Culex Quinquefasciatus Establishes A Platform For Mosquito Comparative Genomics, 2010 University of California - Riverside
Sequencing Of Culex Quinquefasciatus Establishes A Platform For Mosquito Comparative Genomics, Peter Arensburger, Karine Megy, Robert M. Waterhouse, Jenica Abrudan, Paolo Amedeo, Beatriz Antelo, Lyric Bartholomay, Shelby Bidwell, Elizabet Caler, Francisco Camara, Corey L. Campbell, Kathryn S. Campbell, Claudio Casola, Marta T. Castro, Ishwar Chandramouliswaran, Sinead B. Chapman, Scott Christley, Javier Costas, Eric Eisenstadt, Cedric Feshotte, Claire Fraser-Liggett, Roderic Guigo, Brian Haas, Martin Hammond, Bill S. Hansson, Janet Hemingway, Sharon Hill, Clint Howarth, Rickard Ignell, Ryan C. Kennedy, Chinnappa D. Kodira, Neil F. Lobo, Chunhong Mao, George F. Mayhew, Kristin Michel, Akio Mori, Nannan Liu, Horacio Naveira, Vishvanath Nene, Nam Nguyen, Matthew D. Pearson, Ellen J. Pritham, Daniela Puiu, Yumin Qi, Hilary Ranson, Jose M.C. Ribeiro, Hugh M. Roberston, David W. Severson, Martin Shumay, Mario Stanke, Robert L. Strausberg, Cheng Sun, Granger Sutton, Zhijiang (Jake) Tu, Jose M. C. Tubio, Maria F. Unger, Dana L. Vanlandingham, Albert J. Vilella, Owen White, Jared R. White, Charles S. Wondji, Jennifer Wortman, Evgeny M. Zdobnov, Bruce Birren, Bruce M. Christensen, Frank H. Collins, Anthony Cornel, George Dimopoulos, Linda I. Hannick, Stephen Higgs, Gregory C. Lanzaro, Daniel Lawson, Norman H. Lee, Marc A.T. Muskavitch, Alexander S. Raikhel, Peter W. Atkinson
Culex quinquefasciatus (the southern house mosquito) is an important mosquito vector of viruses such as West Nile virus and St. Louis encephalitis virus, as well as of nematodes that cause lymphatic filariasis. C. quinquefasciatus is one species within the Culex pipiens species complex and can be found throughout tropical and temperate climates of the world. The ability of C. quinquefasciatus to take blood meals from birds, livestock, and humans contributes to its ability to vector pathogens between species. Here, we describe the genomic sequence of C. quinquefasciatus: Its repertoire of 18,883 protein-coding genes is 22% larger than that of ...
Pathogenomics Of Culex Quinquefasciatus And Meta-Analysis Of Infection Responses To Diverse Pathogens, 2010 Iowa State University
Pathogenomics Of Culex Quinquefasciatus And Meta-Analysis Of Infection Responses To Diverse Pathogens, Lyric Bartholomay, Robert M. Waterhouse, George F. Mayhew, Corey L. Campbell, Kristin Michel, Zhen Zou, Jose L. Ramirez, Suchismita Das, Kanwal Alvarez, Peter Arensburger, Bart Bryant, Sinead B. Chapman, Yuemei Dong, Erickson Sara M., S.H.P. Parakrama Karunaratne, Vladimir Kokoza, Chinnappa D. Kodira, Patricia Pignatelli, Sang Woon Shin, Dana L. Vanlandingham, Peter W. Atkinson, Bruce Birren, Geoge K. Christophides, Rollie J. Clem, Janet Hemingway, Stephen Higgs, Karine Megy, Hilary Ranson, Evgeny M. Zdobnov, Alexander S. Raikhel, Bruce M. Christensen, George Dimopoulos, Marc A.T. Muskavitch
The mosquito Culex quinquefasciatus poses a significant threat to human and veterinary health as a primary vector of West Nile virus (WNV), the filarial worm Wuchereria bancrofti, and an avian malaria parasite. Comparative phylogenomics revealed an expanded canonical C. quinquefasciatus immune gene repertoire compared with those of Aedes aegypti and Anopheles gambiae. Transcriptomic analysis of C. quinquefasciatus genes responsive to WNV, W. bancrofti and non-native bacteria facilitated an unprecedented meta-analysis of 25 vector-pathogen interactions involving arboviruses, filarial worms, bacteria and malaria parasites, revealing common and distinct responses to these pathogen types in three mosquito genera. Our findings provide support for ...
Tritrophic Effects Of Host Plants On An Herbivore-Pathogen Interaction, 2010 Iowa State University
Tritrophic Effects Of Host Plants On An Herbivore-Pathogen Interaction, Aaron J. Gassmann, S. Patricia Stock, Bruce E. Tabashnik, Michael S. Singer
Tritrophic interactions may include directly harmful effects of host plants on herbivores, and directly or indirectly harmful effects of host plants on the natural enemies of herbivores. Tritrophic interactions involving parasitoids and predators have received considerable attention but less is known about how host plants affect entomopathogens. We compared growth and resistance to entomopathogenic nematodes for “woolly bear” caterpillars, Grammia incorrupta(=geneura) (Hy. Edwards) (Lepidoptera: Arctiidae) fed lettuce, Lactuca sativa L. (Asteraceae), versus threadleaf groundsel, Senecio longilobus Benth. (Asteraceae). Both plants are members of the Asteraceae, but only S. longilobus contains pyrrolizidine alkaloids. Caterpillars gained more mass when fed L ...
The Influence Of Temporal And Seasonal Changes On Genetic Diversity And Population Structure Of The Tsetse Fly, Glossina Pallidipes In Kenya, 2010 Kenya Agricultural Research Institute
The Influence Of Temporal And Seasonal Changes On Genetic Diversity And Population Structure Of The Tsetse Fly, Glossina Pallidipes In Kenya, J. O. Ouma, E. S. Krafsur
The Tsetse fly. Glossina palltdipes. (Diptera: Glossinidae) is an important vector of animal trypanosomiasis It has also been implicated in the transmission of pathogens that cause human African trypanosomiasis. Understanding how G. palhdipes populations vary temporally is necessary for effective intervention. Temporal variation in allele frequencies at eight microsatelhte loci was assessed by sampling local populations of G. palltdtpes. Samplings were carried out in 2000, 200 I, and 2003 in the Lambwe Valley and Nguruman areas in Kenya. Six polymorphic loci were scored. Allele frequencies were homogenous between seasons. Genetic differentiation was higher among dry season samples (F,, = 0.051 ...
Genetic Variation For Susceptibility To Storm-Induced Stem Breakage In Solidago Altissima: The Role Of Stem Height And Morphology, M. Wise, W. Abrahamson
Warren G. Abrahamson, II
While storms can have obvious ecological impacts on plants, plants’ potential to respond evolutionarily to selection for increased resistance to storm damage has received little study. We took advantage of a thunderstorm with strong wind and hail to examine genetic variation for resistance to stem breakage in the herbaceous perennial Solidago altissima. The storm broke the apex of nearly 10% of 1883 marked ramets in a common-garden plot containing 26 genets of S. altissima. Plant genets varied 20-fold in resistance to breakage. Stem height was strongly correlated with resistance to breakage, with taller stems being signiﬁcantly more susceptible. A stem ...
Differential Consumption Of Four Aphid Species By Four Lady Beetle Species, 2009 School of Biology and Ecology
Differential Consumption Of Four Aphid Species By Four Lady Beetle Species, Christy Finlayson, Andrei Alyokhin, Serena Gross, Erin Porter
The acceptability of four different aphid species Macrosiphum albifrons (Essig), Macrosiphum euphorbiae (Thomas), Macrosiphum pseudorosae Patch, and Myzus persicae (Sulzer) (Hemiptera: Aphididae), as prey for four lady beetle species, one native species Coccinella trifasciata L, and three non-native Coccinella septempunctata L, Harmonia axyridis Pallas, Propylea quatuordecimpunctata L (Coleoptera: Coccinellidae) were tested in the laboratory. The relative field abundance of adults of the same lady beetle species on host vegetation, Lupinus polyphyllus Lindley (Fabales: Fabaceae), Solanum tuberosum L (Solanales: Solanaceae), and Rosa multiflora Thunberg (Rosales: Rosaceae), both with and without aphids present was also observed. In the laboratory, H. axyridis generally ...
Recovery Of Sasajiscymnus Tsugae, Released Against Hemlock Woolly Adelgid, Adelges Tsugae, In The Southern Appalachians, 2009 University of Tennessee - Knoxville
Recovery Of Sasajiscymnus Tsugae, Released Against Hemlock Woolly Adelgid, Adelges Tsugae, In The Southern Appalachians, Abdul Hakeem
Eastern hemlock in the Great Smoky Mountains National Park is currently threatened by the hemlock woolly adelgid, Adelges tsugae Annand (Hemiptera: Adelgidae). As part of a management plan against this invasive insect pest, about 350,000 adults of the predatory beetle Sasajiscymnus tsugae (Sasaji and McClure) (Coleoptera: Coccinellidae) were released at ca. 150 sites in the Park from 2002 to 2007. Of these adult release sites, 33 were sampled in 2008 and 2009 using beatsheet sampling for 4 man-hours. Sasajiscymnus tsugae adults (n=78) and/or larvae (n=145) were recovered from seven sites (21.2% of the release sites ...
Spatiotemporal Variation Of Fruit Digestible-Nutrient Production In Florida's Uplands, J. Layne, W. Abrahamson
Warren G. Abrahamson, II
We examined annual total digestible nutrient (TDN) production by fruits of eight species (Quercus chapmanii, Q. geminata, Q. inopina, Q. laevis, Q. myrtifolia, Carya floridana, Sabal etonia, Serenoa repens) that account for the major proportion of TDN production by fruits and seeds in Florida’s xeric upland associations (southern ridge sandhill, sand pine scrub, scrubby flatwoods). Mean annual fruit TDN of all species combined over a 27-year span in sandhill and scrub and 24 years in scrubby flatwoods was highest (45.4 kg/ha) in sandhill, intermediate in scrubby flatwoods (28.8 kg/ha), and lowest in scrub (14.2 ...
Dispersal Of Stable Flies (Diptera: Muscidae) From Larval Developmental Sites., 2009 University of Minnesota - Twin Cities
Dispersal Of Stable Flies (Diptera: Muscidae) From Larval Developmental Sites., David B. Taylor, Roger D. Moon, John B. Campbell, Dennis R. Berkebile, Philip J. Scholl, Alberto B. Broce, Jerome A. Hogsette
David B. Taylor
Seven mark-recapture studies were conducted over 3 yr to assess dispersal of newly emerging adult stable flies, Stomoxys calcitrans L., from larval development sites in a mixed agricultural environment in northeastern Nebraska. Infested hay debris piles were marked by dusting their surfaces with fluorescent pigments, adults were captured with surrounding grids of Alsynite sticky traps, and specimens were dissected to determine feeding histories and reproductive age. Distances and directions of 3,889 marked specimens indicated males and females dispersed equally and in all directions. Midguts of males and females were equally likely to contain blood-meal remnants. Percentage with blood remnants ...
Ducking As The Means Of Resistance In "Candy-Cane" Stems Of Goldenrod: Straightened Stems Lose Their Edge, M. J. Wise, W. G. Abrahamson, J. A. Cole
Warren G. Abrahamson, II
Herbivores are among the most pervasive selective forces acting on plants, and the number of plant chemicals that presumably evolved for defense against herbivory is immense. In contrast, biologists are only beginning to appreciate the important roles that architectural traits can play in antiherbivore defense. One putative architectural-resistance trait is the nodding stem apex of some goldenrods (Solidago ; Asteraceae). Individuals of S. altissima genets that undergo temporary nodding in the late spring (i.e., “candy-cane ramets) have been shown to be more resistant than individuals of erect-stemmed genets to certain apex-attacking” herbivores. We tested the hypothesis that the greater resistance ...
Nutrition As A Facilitator Of Host-Race Formation: The Role Of Food Quality In The Shift Of A Stem-Boring Beetle To A Gall Host, C. P. Blair, R. V. Schlanger, S. E. Diamond, W. G. Abrahamson
Warren G. Abrahamson, II
1. The importance of host-race formation to herbivorous insect diversity depends on the likelihood that successful populations can be established on a new plant host. A previously unexplored ecological aid to success on a novel host is better nutritional quality. The role of nutrition was examined in the shift of the stem-boring beetle Mordellistena convicta to ﬂy-induced galls on goldenrod and the establishment there of a genetically distinct gall host race. 2. First, larvae of the host race inhabiting stems of Solidago gigantea were transplanted into stems and galls of greenhouse-grown S. gigantea plants. At the end of larval development ...
Polyphyly Of The Pikeminnows (Teleostei: Cyprinidae) Inferred Using Mitochondrial Dna Sequences, 2009 Utah Valley University
Polyphyly Of The Pikeminnows (Teleostei: Cyprinidae) Inferred Using Mitochondrial Dna Sequences, T. Heath Ogden
T. Heath Ogden
The phylogenetic relationships of the Colorado pikeminnow Ptychocheilus lucius, northern pikeminnow P. oregonensis, Sacramento pikeminnow P. grandis, Umpqua pikeminnow P. umpquae, and hardhead Mylopharodon conocephalus were examined by using molecular data to investigate monophyly of the genus Ptychocheilus. Phylogenies generated using DNA sequence data from the cytochrome b and 16S ribosomal DNA genes of the mitochondrial genome reveal that Ptychocheilus is a polyphyletic genus and suggest that the taxonomy of the group is in need of further revision. These data yield insights into the evolution of the pikeminnows and help place the significant evolutionary events in context with the geological ...