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Locusts and Grasshoppers: Behavior, Ecology, and Biogeography Psyche Locusts and Grasshoppers: Behavior, Ecology, and Biogeography Guest Editors: Alexandre Latchininsky, Gregory Sword, Michael Sergeev, Maria Marta Cigliano, and Michel Lecoq Locusts and Grasshoppers: Behavior, Ecology, and Biogeography Psyche Locusts and Grasshoppers: Behavior, Ecology, and Biogeography Guest Editors: Alexandre Latchininsky, Gregory Sword, Michael Sergeev, Maria Marta Cigliano, and Michel Lecoq Copyright © 2011 Hindawi Publishing Corporation. All rights reserved. This is a special issue published in volume 2011 of “Psyche.” All articles are open access articles distributed under the Creative Com- mons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Psyche Editorial Board Arthur G. Appel, USA John Heraty, USA David Roubik, USA Guy Bloch, Israel DavidG.James,USA Michael Rust, USA D. Bruce Conn, USA Russell Jurenka, USA Coby Schal, USA G. B. Dunphy, Canada Bethia King, USA James Traniello, USA JayD.Evans,USA Ai-Ping Liang, China Martin H. Villet, South Africa Brian Forschler, USA Robert Matthews, USA William (Bill) Wcislo, Panama Howard S. Ginsberg, USA Donald Mullins, USA DianaE.Wheeler,USA Lawrence M. Hanks, USA Subba Reddy Palli, USA Abraham Hefetz, Israel Mary Rankin, USA Contents Locusts and Grasshoppers: Behavior, Ecology, and Biogeography, Alexandre Latchininsky, Gregory Sword, Michael Sergeev, Maria Marta Cigliano, and Michel Lecoq Volume 2011, Article ID 578327, 4 pages Distribution Patterns of Grasshoppers and Their Kin in the Boreal Zone, Michael G. Sergeev Volume 2011, Article ID 324130, 9 pages Relationships between Plant Diversity and Grasshopper Diversity and Abundance in the Little Missouri National Grassland, David H. Branson Volume 2011, Article ID 748635, 7 pages The Ontology of Biological Groups: Do Grasshoppers Form Assemblages, Communities, Guilds, Populations, or Something Else?,Jeffrey A. Lockwood Volume 2011, Article ID 501983, 9 pages Application of General Circulation Models to Assess the Potential Impact of Climate Change on Potential Distribution and Relative Abundance of Melanoplus sanguinipes (Fabricius) (Orthoptera: Acrididae) in North America, O. Olfert, R. M. Weiss, and D. Kriticos Volume 2011, Article ID 980372, 9 pages Density-Dependent Phase Polyphenism in Nonmodel Locusts: A Minireview,HojunSong Volume 2011, Article ID 741769, 16 pages Phase-Dependent Color Polyphenism in Field Populations of Red Locust Nymphs (Nomadacris septemfasciata Serv.) in Madagascar, Michel Lecoq, Abdou Chamouine, and My-Hanh Luong-Skovmand Volume 2011, Article ID 105352, 12 pages Diel Behavioral Activity Patterns in Adult Solitarious Desert Locust, Schistocerca gregaria (Forskal)˚ , Sidi Ould Ely, Peter G. N. Njagi, Magzoub Omer Bashir, Salah El-Tom El-Amin, and Ahmed Hassanali Volume 2011, Article ID 459315, 9 pages Immune Response of Mormon Crickets That Survived Infection by Beauveria bassiana, Robert B. Srygley and Stefan T. Jaronski Volume 2011, Article ID 849038, 5 pages Hindawi Publishing Corporation Psyche Volume 2011, Article ID 578327, 4 pages doi:10.1155/2011/578327 Editorial Locusts and Grasshoppers: Behavior, Ecology, and Biogeography Alexandre Latchininsky,1 Gregory Sword,2, 3 Michael Sergeev,4, 5 Maria Marta Cigliano,6 and Michel Lecoq7 1 Department of Renewable Resources, University of Wyoming, 1000 E. University Avenue, Laramie, WY 82071, USA 2 School of Biological Sciences, University of Sydney, Sydney, NSW 2006, Australia 3 Department of Entomology, Faculty of Ecology and Evolutionary Biology, Heep Building, Texas A&M University, College Station, TX 77842-2475, USA 4 Department of General Biology and Ecology, Novosibirsk State University, 2 Pirogova Street, Novosibirsk 630090, Russia 5 Laboratory of Insect Ecology, Institute of Systematics and Ecology of Animals, Siberian Branch, Russian Academy of Sciences, 11 Frunze Street, Novosibirsk 630091, Russia 6 Division Entomologia, Museo de La Plata, Universidad Nacional de la Plata, Paseo del Bosque S/N,1900 La Plata, Argentina 7 CIRAD Bioagresseurs, TA A-106/D, Campus International de Baillarguet, 34398 Montpellier cedex 5, France Correspondence should be addressed to Alexandre Latchininsky, [email protected] Received 27 January 2011; Accepted 27 January 2011 Copyright © 2011 Alexandre Latchininsky et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Locusts and grasshoppers (L&G) (Orthoptera: Caelifera, locust swarms, 13 million hectares in 22 countries on three Acridoidea) are an essential component of both, healthy, and continents were treated with broad-spectrum neurotoxins. disturbed grassland ecosystems. These insects are abundant Such transcontinental operation, including the food aid for in natural and anthropogenic habitats (rangelands, wetlands, affected population, cost over half a billion US dollars to the agricultural fields, lawns, etc.). They stimulate plant growth, world community [10]. participate in nutrient cycling, and play important role Losses to L&G are not limited to crop and rangeland in food chains [1–5]. Some grasshoppers are proposed as destruction. Besides the economic damage and its subse- ecological indicators of ecosystem qualities and efficacy of quent negative social impact, L&G outbreaks may seriously ecological networks [6]. On the other hand, when their pop- alter ecological processes across landscapes (e.g., carbon and ulations grow to catastrophic dimensions, L&G are among water cycles). The rapid loss of vegetation cover may result the most devastating enemies of agriculturists. Outbreaks in soil erosion and increased runoff.L&Gcanalsodestroy of locusts such as Schistocerca gregaria (Forskal,˚ 1775), food sources for many animals and thus affect biodiversity; Nomadacris septemfasciata (Serville, 1838), Locusta migra- such effects may be particularly pronounced in isolated toria Linnaeus, 1758, Calliptamus italicus (Linnaeus, 1758), insular ecosystems [11]. Large-scale L&G control programs Dociostaurus maroccanus (Thunberg, 1815), Chortoicetes can also affect biodiversity, including that of nontarget terminifera (Walker, 1870), and many abundant grasshopper grasshoppers [12]. Despite decades of intensive research, species continue to occur on all continents except Antarctica the mechanisms underlying L&G population dynamics (and and affect the livelihoods of one in every ten people on Earth. for locusts: phase transformation) are not fully elucidated. Such L&G outbreaks are now better controlled and their Only recently, significant advances were made in our frequency and size have been reduced with the application understanding of L&G behavior and ecology, particularly of preventative strategies [7, 8]. However, invasions still individual and group movement, nutritional requirements, persist. During the outbreak of the Desert locust S. gregaria and biochemical mechanisms underlying the transformation in Africa in 2003–2005, over eight million people suffered between solitarious and gregarious locust phases [13–15]; see from severe 80 to 100% crop losses [9]. To combat the also review in [16]. 2 Psyche Besides the notorious pests, this group of insects includes The third paper of the special issue is devoted to a many understated rare species which require protection [17– complex terminological issue. Acridologists have used a 19]. To complicate the picture, following landscape changes variety of terms to describe groups of grasshoppers, includ- induced by human agricultural activities, some economic ing assemblage, community, guild, and population. This pests may become exceedingly rare [20]. On the other hand, terminological diversity has raised the question of whether many orthopteran species benefit from human-induced one of these descriptors is the correct one. The author, J. landscape changes and increase their abundance [18, 21]. A. Lockwood, argues that a term is correct if it accurately Disturbed and new habitats can be important for spreading reflects the conceptual framework of the investigator and and living of some native and alien grasshopper forms effectively communicates this perspective to others. He [18, 21, 22]. At the same time, many of rare grasshopper describes the contexts in which the most common terms are species are threatened by anthropogenic influences, such as appropriate. overgrazing and ploughing [18]. However, in various areas, In the next paper, O. Olfert et al. investigate the impact such as temperate Eurasia or in Tropical Madagascar, several of climate changes on distribution and relative abundance centers of orthopteran diversity and endemism overlap of a pest grasshopper of major economic importance in with areas of frequent L&G outbreaks [23–25]. This means North America, Melanoplus sanguinipes. Various scenarios that problems of plant protection and conservation biology of climatic changes were used to parameterize a bioclimatic should be solved on the complex basis of a holistic approach. model of this species. Compared to predicted range and However, it is hardly ever the case; pests and rare species are distribution under current climate conditions, model results usually studied separately, and their possible relationships are indicated that M. sanguinipes would have increased range not explored. and relative abundance in more northern regions of North Although the general patterns of grasshopper
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