292 research outputs found

    Anopheles prachongae, a new species of the Gigas Complex of subgenus Anopheles (Diptera: Culicidae) in Thailand, contrasted with known forms of the complex

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    Copyright © 2017 Magnolia Press. Licensed under a Creative Commons Attribution License http://creativecommons.org/licenses/by/3.0 The attached file is the published version of the article

    Love - Land

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    https://digitalcommons.library.umaine.edu/mmb-vp/6009/thumbnail.jp

    Morphological study and description of Anopheles (Anopheles) persiensis, a member of the Maculipennis Group (Diptera: Culicidae: Anophelinae) in Iran

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    The morphology of the adults, egg, larva and pupa of Anopheles persiensis Linton, Sedaghat & Harbach, an Iranian member of the Holarctic Maculipennis Group, was studied and compared with the morphology of the closely related and sympatric A. maculipennis Meigen. Anopheles persiensis was formally recognized based on DNA evidence and egg morphology. The fourth member of the group, Anopheles persiensis, is described in detail and the egg illustrated using scanning electron microscopy

    Phylogenetic analysis and temporal diversification of mosquitoes (Diptera: Culicidae) based on nuclear genes and morphology

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    <p>Abstract</p> <p>Background</p> <p>Phylogenetic analyses provide a framework for examining the evolution of morphological and molecular diversity, interpreting patterns in biogeography, and achieving a stable classification. The generic and suprageneric relationships within mosquitoes (Diptera: Culicidae) are poorly resolved, making these subjects difficult to address.</p> <p>Results</p> <p>We carried out maximum parsimony and maximum likelihood, including Bayesian, analyses on a data set consisting of six nuclear genes and 80 morphological characters to assess their ability to resolve relationships among 25 genera. We also estimated divergence times based on sequence data and fossil calibration points, using Bayesian relaxed clock methods. Strong support was recovered for the basal position and monophyly of the subfamily Anophelinae and the tribes Aedini and Sabethini of subfamily Culicinae. Divergence times for major culicid lineages date to the early Cretaceous.</p> <p>Conclusions</p> <p>Deeper relationships within the family remain poorly resolved, suggesting the need for additional taxonomic sampling. Our results support the notion of rapid radiations early in the diversification of mosquitoes.</p

    An effective method for the identification and separation of Anopheles minimus, the primary malaria vector in Thailand, and its sister species Anopheles harrisoni, with a comparison of their mating behaviors

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    This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated. The attached article is the published pdf

    The Grizzly, September 16, 1988

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    Exhibit Celebrates Sports • Alcohol Problems Plague Nation • U.C. Gets Fired Up • CAB Hypnotized • Letters: Clark Refutes Murphy\u27s Editorial Concerning Quayle Controversy; DeCatur Takes Tac to Task; Ursinus Spirit Commended • English Gains Victorian Enthusiast • Open Dialogs Promote Thinking • Notes: Harassment to be Addressed; Count Basie in Concert • New Look Bears Fall in Season Opener • Runners Plateau • V-Ballers: We\u27re Driven to Succeed • U.C. Run Down in O.T. • Soccer Still Reaching for Win • Review: Three Men and a Baby • Musser Moves with Big Planshttps://digitalcommons.ursinus.edu/grizzlynews/1217/thumbnail.jp

    Delayed Senescence in Soybean: Terminology, Research Update, and Survey Results from Growers

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    The terms used to describe symptoms of delayed senescence in soybean often are used inconsistently or interchangeably and do not adequately distinguish the observed symptoms in the field. Various causes have been proposed to explain the development of delayed senescence symptoms. In this article, we review published reports on delayed senescence symptoms in soybean, summarize current research findings, provide examples of terms related to specific symptoms, and present an overview of the results of a multi-state survey directed to soybean growers to understand their concerns about delayed soybean senescence. Some of these terms, such as green bean syndrome and green stem syndrome, describe symptoms induced by biotic factors, while other terms describe symptoms associated with abiotic factors. Some delayed senescence terms involve the whole plant remaining green while other terms include just the stem and other plant parts such as pods. In the grower survey, 77% reported observing soybean plants or plant parts that remained green after most plants in the field were fully mature with ripe seed. Most respondents attributed these symptoms to changes in breeding and choice of cultivars. At the end of this article, we standardized the terms used to describe delayed senescence in soybean

    Mini Black Holes in the first year of the LHC

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    The experimental signatures of TeV-mass black hole (BH) formation in heavy ion collisions at the LHC is examined. We find that the black hole production results in a complete disappearance of all very high pTp_T ({>500> 500} GeV) back-to-back correlated di-jets of total mass {M>Mf∼1M > M_f \sim 1}TeV. We show that the subsequent Hawking-decay produces multiple hard mono-jets and discuss their detection. We study the possibility of cold black hole remnant (BHR) formation of mass ∼Mf\sim M_f and the experimental distinguishability of scenarios with BHRs and those with complete black hole decay. Due to the rather moderate luminosity in the first year of LHC running the least chance for the observation of BHs or BHRs at this early stage will be by ionizing tracks in the ALICE TPC. Finally we point out that stable BHRs would be interesting candidates for energy production by conversion of mass to Hawking radiation.Comment: 10 pages, 2 figure
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