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Species Divergence During Rapid Climate Change
Molecular Ecology (2007) 16, 619–627 doi: 10.1111/j.1365-294X.2006.03167.x ShiftingBlackwell Publishing Ltd distributions and speciation: species divergence during rapid climate change BRYAN C. CARSTENS and L. LACEY KNOWLES Department of Ecology & Evolutionary Biology, 1109 Geddes Ave., Museum of Zoology, Room 1089, University of Michigan, Ann Arbor, MI 48109-1079, USA Abstract Questions about how shifting distributions contribute to species diversification remain virtually without answer, even though rapid climate change during the Pleistocene clearly impacted genetic variation within many species. One factor that has prevented this question from being adequately addressed is the lack of precision associated with estimates of species divergence made from a single genetic locus and without incorporating processes that are biologically important as populations diverge. Analysis of DNA sequences from multiple variable loci in a coalescent framework that (i) corrects for gene divergence pre-dating speciation, and (ii) derives divergence-time estimates without making a priori assumptions about the processes underlying patterns of incomplete lineage sorting between species (i.e. allows for the possibility of gene flow during speciation), is critical to overcoming the inherent logistical and analytical difficulties of inferring the timing and mode of speciation during the dynamic Pleistocene. Estimates of species divergence that ignore these processes, use single locus data, or do both can dramatically overestimate species divergence. For example, using a coalescent approach with data from six loci, the divergence between two species of montane Melanoplus grasshoppers is estimated at between 200 000 and 300 000 years before present, far more recently than divergence estimates made using single-locus data or without the incorporation of population-level processes. -
Proc Ent Soc Mb 2019, Volume 75
Proceedings of the Entomological Society of Manitoba VOLUME 75 2019 T.D. Galloway Editor Winnipeg, Manitoba Entomological Society of Manitoba The Entomological Society of Manitoba was formed in 1945 “to foster the advancement, exchange and dissemination of Entomological knowledge”. This is a professional society that invites any person interested in entomology to become a member by application in writing to the Secretary. The Society produces the Newsletter, the Proceedings, and hosts a variety of meetings, seminars and social activities. Persons interested in joining the Society should consult the website at: http://home. cc.umanitoba.ca/~fieldspg, or contact: Sarah Semmler The Secretary Entomological Society of Manitoba [email protected] Contents Photo – Adult male European earwig, Forficula auricularia, with a newly arrived aphid, Uroleucon rudbeckiae, on tall coneflower, Rudbeckia laciniata, in a Winnipeg garden, 2017-08-05 ..................................................................... 5 Scientific Note Earwigs (Dermaptera) of Manitoba: records and recent discoveries. Jordan A. Bannerman, Denice Geverink, and Robert J. Lamb ...................... 6 Submitted Papers Microscopic examination of Lygus lineolaris (Hemiptera: Miridae) feeding injury to different growth stages of navy beans. Tharshi Nagalingam and Neil J. Holliday ...................................................................... 15 Studies in the biology of North American Acrididae development and habits. Norman Criddle. Preamble to publication -
A Guide to the Shropshire Orthoptera and Dermaptera by David W. Williams
A Guide to the Shropshire Orthoptera and Dermaptera by David W. Williams Excluding escapes and naturalised aliens (eg Egyptian grasshopper, house cricket) thirteen species of Orthoptera (grasshoppers, crickets etc) and three species of Dermaptera (earwigs) have been recorded in Shropshire. Two further species currently occur in adjacent counties. Cockroaches & mantids (Dictyoptera) are also included within the 'orthopteroid' insects (as are phasmids). Britain has three native species of cockroach, but it is unlikely that any of them will turn up in Shropshire (though there are old records of Oriental cockroach, an established alien inhabitant of artificially heated places). This guide is intended to cover all the species likely to be encountered in the field in Shropshire. Orthoptera; Caelifera: grasshoppers (5 spp.), groundhoppers (2 spp.) Grasshoppers are insects of high Summer. They overwinter as eggs, hatch in Spring and mature during June and July, persisting into Autumn. Groundhopper life-cycles are more variable. They overwinter as either nymphs or adults and can be found as adults in any month of the year, though there is a peak of activity in Spring. Sexing Grasshoppers Identification of grasshoppers can sometimes be helped if the gender of the insect is established. Several features separate the sexes. The main picture, left, shows a pair of meadow grasshoppers. Notice that the male is smaller than the female, but has obviously longer antennae. This is true of all British grasshoppers. He also has relatively larger eyes and longer wings, though these differences can be very subtle in some species (in meadow grasshoppers, females have particularly short wings). The lower pair of photographs show the difference in the abdominal tips of the two sexes (in this case both are mottled grasshoppers). -
Atlas Des Orthoptères Du Gard
Atlas des orthoptères du Gard Cartes de répartition des espèces au 05/10/2021 : Vous allez consulter les cartes de répartition des espèces du Gard, proposant le pointage des observations validées ou pas encore validées : de ce fait il y a certainement des erreurs qui seront corrigées au fil de l'avancée du projet. Les cartes présentent des points rouges et des poins bleus : les premiers sont les mentions antérieures à l'année 2010, les seconds sont les observations contemporaines (depuis 2010 inclus). Observateurs : Nous avons le plaisir de remercier les observateurs qui ont contribué à la connaissance des papillons du Gard. Certains ont partagé directement leurs observations dans l'Observatoire du Patrimoine Naturel du Gard, d'autres utilisent l'application Observado développée par nos collègues des Pays-Bas, et un troisième lot provient d'échanges de données avec le projet d'Atlas des papillons de jour et libellules du Languedoc Roussillon, jusqu'à 2014 inclus. AUBIN gabrielle, Ador Quentin, Alaimo Jeanne, Albisser Léo, Alias Jean-Marie, Altertour , Andrieu Frédéric, Anonyme , Arnassant Stephan, Augustyniak Michel, Baldi Philippe, Bas Yves, Bastide Luc, Bauduin Julien, Beauval Cédric, Beils Antoine, Bence Stéphane, Bergue Emilie, Bernard Cyrielle, Bernier Christophe, Bernier Hanae, Bernier Lilou, Bernier Siméon, Bernon Jean-Marc, Berthelot Stéphane, Berthet François, Bertozzi Hervé, Bertozzi Maryvonne, Bertrand Justine, Beusse Bruno, Bidot Sylvain, Bigot Louis, Bizet Daniel, Blondel Françoise, Borel Nicolas, Bourrié Fanny, Branchu Sylvain, -
Des Orthoptera, Phasmida Et Mantodea D’Île-De-France Pour L’Élaboration D’Une Liste Rouge Régionale
Dossier de synthèse pour l’obtention du label de l’UICN France et la validation du CSRPN Période d’évaluation 1998–2017 Évaluation des Orthoptera, Phasmida et Mantodea d’Île-de-France pour l’élaboration d’une Liste rouge régionale Coordination et animation scientifique du projet Xavier HOUARD et Serge GADOUM (Opie) Recueil, traitement, analyse et mise en forme des données Gaël CARDINAL, Alexia MONSAVOIR et Abigail RABINOVITCH (Opie) Le Criquet ensanglanté Stethophyma grossum © Xavier Houard (Opie) Comité d’experts régionaux sollicités pour l’exercice d’évaluation Gérard LUQUET, Alexandre MARI, Marion PARISOT, Sylvestre PLANCKE, Sébastien SIBLET, Frédéric ASARA, Axel DEHALLEUX, Arnaud BAK, Christophe PARISOT, Guillaume LARRÈGLE, Jérôme HANOL Auditeur externe du travail d’évaluation Lucile DEWULF (ARB Île-de-France) Évaluation de la Liste rouge régionale des criquets, grillons, sauterelles, mante et phasme d’Île de France Relecture Lucile DEWULF (ARB Île-de-France), Stéphane JAULIN, Bastien LOUBOUTIN (Opie) et les membres du comité d’experts régionaux présents lors de la réunion d’évaluation Gérard LUQUET, Alexandre MARI, Axel DEHALLEUX, Arnaud BAK, Guillaume LARRÈGLE Citation du présent document HOUARD X., GADOUM S. (coord), CARDINAL G. & MONSAVOIR A., (2018) – Évaluation des Orthoptera, Phasmida et Mantodea d ’Île-de-France pour l’élaboration d ’une Liste rouge régionale - Dossier de synthèse pour l’obtention du label de l’UICN France et la validation du CSRPN. Période d’évaluation 1998–2017. Office pour les insectes et leur environnement -
The Importance of Vegetation Configuration in Coastal
Biology Department Research Group Terrestrial Ecology _____________________________________________________________________________________ THE IMPORTANCE OF VEGETATION CONFIGURATION IN COASTAL DUNES TO PRESERVE DIVERSITY OF MARRAM- ASSOCIATED INVERTEBRATES IS HABITAT CONFIGURATION A DRIVER OF DIVERSITY IN DUNES? Noëmie Van den Bon Studentnumber: 01506438 Supervisor(s): Prof. Dr. Dries Bonte Dr. Martijn Vandegehuchte Scientific tutor: Ruben Van De Walle Master’s dissertation submitted to obtain the degree of Master of Science in Biology Academic year: 2019 - 2020 © Faculty of Sciences – research group Terrestrial Ecology All rights reserved. This thesis contains confidential information and confidential research results that are property to the UGent. The contents of this master thesis may under no circumstances be made public, nor complete or partial, without the explicit and preceding permission of the UGent representative, i.e. the supervisor. The thesis may under no circumstances be copied or duplicated in any form, unless permission granted in written form. Any violation of the confidential nature of this thesis may impose irreparable damage to the UGent. In case of a dispute that may arise within the context of this declaration, the Judicial Court of Gent only is competent to be notified. 2 Table of content 1. Introduction ....................................................................................................................................... 5 1.1. The status of biodiversity and ecosystems .......................................................................................... -
THE CURRENT STATUS of ORTHOPTEROID INSECTS in BRITAIN and IRELAND by Peter G
THE CURRENT STATUS OF ORTHOPTEROID INSECTS IN BRITAIN AND IRELAND by Peter G. Sutton, Björn C. Beckmann & Brian Nelson INTRODUCTION This article provides an overview of the changes that have occurred within the orthopteroid fauna of Britain and Ireland since the last distribution atlas was published in 1997 (Haes & Harding, 1997). It provides the current IUCN status of the scarce and threatened species in Britain in accordance with their recent reassessment (Sutton, 2015a) and discusses the future prognosis for this group of insects in Britain and Ireland. It also highlights recent developments of the Orthoptera Recording Scheme with particular reference to the collection of distribution map data using new technologies. Changes to the orthopteroid fauna of Britain and Ireland have been assessed in the landmark publications by Ragge (1965), Marshall & Haes (1988), Haes & Harding (1997) and more recently, Benton (2012), and have also been comprehensively reviewed by Marshall (1974, 2001, 2010). In addition, a regular and ongoing summary of these changes has been provided by the Grasshoppers and Relatives section of British Wildlife magazine (Haes, 1990‒1995; Widgery 1995‒2002; Sutton, 2002‒2016), and in the Orthoptera Recording Scheme newsletters (1‒22 (Haes, 1979‒1995); 23‒28 (Widgery, 1996‒2002) and 29‒33 (Beckmann & Sutton, 2013‒2016)). Field Cricket Gryllus campestris . Adult male at a West Sussex reintroduction site, 1 June 2013 (Photo: D. Browne). 6 Atropo s 59 www.atropos.info THE ORTHOPTEROID FAUNA The orthopteroid insects include some of the largest and most spectacular insects to be found in Britain and Ireland, such as the beautiful Large Marsh Grasshopper Stethophyma grossum . -
The Ecology of Selected Grasshopper Species Along an Elevational Gradient by David Harrison Wachter a Thesis Submitted in Partia
The ecology of selected grasshopper species along an elevational gradient by David Harrison Wachter A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Entomology Montana State University © Copyright by David Harrison Wachter (1995) Abstract: The extent to which grasshopper communities along an elevational gradient change in southwest Montana was studied. In addition to this, four species were chosen to examine changes in phenology along the gradient. This thesis examines the hypothesis that species assemblages change with elevation and that intraspecific variation in phenology occurs with changes in elevation. I used detrended correspondence analysis to evaluate changes in grasshopper and plant species across eleven sampling sites of varying elevation and aspect. Weekly sampling of each site allowed for the plotting of phenologies for Melanoplus sanguinipes, Melanoplus bivittatus, Chorthippus curtipennis, and Melanoplus oregonensis. The results showed non-random distribution of grasshopper species along the gradient. Grasshopper species distribution was significantly correlated to elevation, precipitation, proportion of grasses and forbs, and the total number of plant species. Phenological studies showed thatnymphal emergence was later at sites greater in elevation. Adults from higher elevation sites appeared at collection dates nearly equal to those from lower elevation sites. THE ECOLOGY OF SELECTED GRASSHOPPER SPECIES ALONG AN ELEVATIONAL GRADIENT by David Harrison Wachter A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Entomology MONTANA STATE UNIVERSITY Bozeman, Montana December 1995 Uii+* APPROVAL of a thesis submitted by David Harrison Wachter This thesis has been read by each member of the thesis committee and has been found to be satisfactory regarding content, English usage, format, citations, bibliographic style, and consistency, and is ready for submission to the College of Graduate Studies. -
Impacts of Succession and Grass Encroachment on Heathland Orthoptera
J Insect Conserv (2011) 15:633–642 DOI 10.1007/s10841-010-9362-7 ORIGINAL PAPER Impacts of succession and grass encroachment on heathland Orthoptera Jens Schirmel • Jasmin Mantilla-Contreras • Irmgard Blindow • Thomas Fartmann Received: 21 April 2010 / Accepted: 23 October 2010 / Published online: 10 November 2010 Ó Springer Science+Business Media B.V. 2010 Abstract For the conservation of biodiversity, heathlands density was highest in grey dunes. Threatened and specia- present important ecosystems throughout Europe. The for- lised species were restricted to the young stages grey dunes merly widespread habitats are nowadays restricted to small and dwarf-shrub heath. Hence, in order to maintain a high and isolated remnants. Without land use heathland vegeta- diversity of Orthoptera in heathlands, maintaining different tion undergoes succession and, in addition, the increasing successional stages is of critical importance and this should amount of atmospheric nitrogen deposition has resulted in an be integrated into heathland management practices. encroachment of grasses. In the present study we analysed the effects of succession and grass encroachment on Keywords Biodiversity Á Calluna heath Á Eutrophication Á Orthoptera in a coastal heathland on the Baltic island of Global change Á Microclimate Á Vegetation structure Hiddensee, Germany. Vegetation, microclimate, soil humidity and Orthoptera were sampled in the five main stages of heathland succession, namely grey dunes, dwarf- Introduction shrub heath, grassy heath, heath with shrubs, and birch forest. Vegetation and environmental parameters showed strong European heathlands are important ecosystems for the differences among the successional stages. Orthoptera spe- conservation of biodiversity (Webb 1998) and thus pro- cies richness was highest in transitional stages. -
Two Species with an Unusual Combination of Traits Dominate Responses of British Grasshoppers and Crickets to Environmental Change
RESEARCH ARTICLE Two Species with an Unusual Combination of Traits Dominate Responses of British Grasshoppers and Crickets to Environmental Change Björn C. Beckmann1,2,3*, Bethan V. Purse1, David B. Roy1, Helen E. Roy1, Peter G. Sutton3, Chris D. Thomas2 1 Centre for Ecology & Hydrology, Wallingford, Oxfordshire, United Kingdom, 2 Department of Biology, University of York, York, United Kingdom, 3 Orthoptera and Allied Insects Recording Scheme of Britain and Ireland, c/o Biological Records Centre, Centre for Ecology & Hydrology, Wallingford, Oxfordshire, United Kingdom * [email protected] OPEN ACCESS Abstract Citation: Beckmann BC, Purse BV, Roy DB, Roy HE, Sutton PG, Thomas CD (2015) Two Species with an There are large variations in the responses of species to the environmental changes of Unusual Combination of Traits Dominate Responses recent decades, heightening interest in whether their traits may explain inter-specific differ- of British Grasshoppers and Crickets to ences in range expansions and contractions. Using a long-term distributional dataset, we Environmental Change. PLoS ONE 10(6): e0130488. doi:10.1371/journal.pone.0130488 calculated range changes of grasshoppers and crickets in Britain between the 1980s and the 2000s and assessed whether their traits (resource use, life history, dispersal ability, geo- Editor: Tony Robillard, Muséum national d'Histoire naturelle, FRANCE graphic location) explain relative performance of different species. Our analysis showed large changes in the distributions of some species, and we found a positive relationship Received: March 31, 2015 between three traits and range change: ranges tended to increase for habitat generalists, Accepted: May 19, 2015 species that oviposit in the vegetation above ground, and for those with a southerly distribu- Published: June 25, 2015 tion. -
Commission De L'environnement De Bruxelles Et Environs Asbl
BELGIQUE-BELGIË Commission de l’Environnement P.P de Bruxelles et Environs asbl 1030 BRUXELLES 3 1 / 3390 • Moeraske-Walckiers • Hof ter Musschen • Moulin d’Evere et Jardin des Aromatiques • Fournil de l’Hof ter Musschen • Potager biologique du Houtweg N° 96 - Décembre 2010 – Périodique trimestriel EDITORIAL ........................................................................................... 3 BONNE ANNÉE , BONNE BIODIVERSITÉ ! ................................................. 3 VIE DE LA CEBE .................................................................................. 4 NOUS NE SOMMES RIEN SANS VOUS ! ................................................... 4 ARTICLES – MINI-DOSSIERS ............................................................. 5 LA FLORE SE PRÉPARE À PASSER L ’HIVER ............................................. 5 BIODIVERSITÉ DE LA RÉGION DE BRUXELLES -CAPITALE : NOTES BRÈVES 51-65. ................................................................................................ 7 DES PAPILLONS DANS MA HOTTE ........................................................ 10 LES PAPILLONS DIURNES DE LA RÉGION DE BRUXELLES -CAPITALE ...... 13 NOS SITES ......................................................................................... 16 LES ORTHOPTÈRES DU MOERASKE ET DE L ’H OF TER MUSSCHEN (PREMIÈRE PARTIE ) ........................................................................... 16 OBSERVATIONS ............................................................................... 21 VUURWANTSEN IN BRUSSEL / GENDARMES -
Belovsky, G.E. 1986
Oecologia (Berlin) (1986) 70:35-52 Oecologia Springer-Verlag1986 Optimal foraging and community structure: implications for a guild of generalist grassland herbivores G.E. Belovsky The University of Michigan School of Natural Resources Ann Arbor, MI 48109-1115, USA Summary. A particular linear programming model is con- consumption in the community. Using these species, a series structed to predict the diets of each of 14 species of general- of questions was addressed: ist herbivores at the National Bison Range, Montana. The 1) Can the diets of all 14 species be accounted for by herbivores have body masses ranging over seven orders of a single model? magnitude and belonging to two major taxa: insects and 2) Do all the species have the same foraging strategy mammals. The linear programming model has three feeding [i.e., time-minimizing or energy-maximizing sensu Schoener constraints: digestive capacity, feeding time and energy re- (1969); Hixon (1982)] ? quirements. A foraging strategy that maximizes daily ener- 3) How does body mass influence the importance of gy intake agrees very well with the observed diets. Body different foraging parameters? size appears to be an underlying determinant of the foraging 4) Can the range of body sizes and number of species parameters leading to diet selection. Species that possess of herbivores in a community be explained by foraging con- digestive capacity and feeding time constraints which ap- siderations? proach each other in magnitude have the most generalized Belovsky (1978, 1984b, c) has shown that the optimiza- diets. The degree that the linear programming models chan- tion technique of linear programming can explain diet selec- ge their diet predictions with a given percent change in tion by three herbivores (moose: Alces alces, snowshoe parameter values (sensitivity) may reflect the observed abili- hare: Lepus americanus, beaver: Castor canadensis).