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A checklist of the Scarabaeoidea (except Passalidae) of the Guianas (Guyana, Suriname and French Guiana) is presented for the first time. Both recorded and potential species are included, the latter defined as being recorded from Brazil north of the Amazon/Rio Negro main channel or from Venezuela east of the Orinoco main channel. The checklist contains a total of 930 species and subspecies, with 265 validly recorded from Guyana (eight new country records), 388 from Suriname (146 new country records), 531 from French Guiana (four new country records) and 177 additional species recorded from contiguous areas of neighboring Brazil and Venezuela. Valid names as well as selected synonyms are provided. Multiple notes on presently recognized subspecies, nomenclatural problems, doubtful type localities, historical misidentifications, etc. are included. An extensive reference list is provided.
An annotated checklist of 227 species of Scarabaeoidea (Coleoptera) known to occur in Iowa is pre-sented, including seven families and 79 genera. This list was developed from information gleaned during literature review, from examination of specimens deposited in 22 regional and comprehensive collections, as well as from several years of active collecting conducted by the authors around the state. Thirty-six species included here rep-resent new state records.
A number of nomenclatural issues regarding Neotropical Scarabaeoidea are addressed. Athyreus soesilae Makhan, 2008 is synonymized with Neoathyreus (Neoathyreus) excavatus (Laporte, 1840) (Geotrupidae: Bolboceratinae: Athyreini). Scalmus Zang, 1905 is replaced with its senior synonym Neleuops Kuwert, 1891, nec Neleurops Kuwert, 1891, and the four species it presently contains are thus transferred to Neleuops (Passalidae: Passalinae: Passalini). The spelling of the name Oxysternon oberthueri Olsoufi eff, 1924, a junior synonym of Oxysternon (Oxysternon) conspicillatum (Weber, 1801), is fi xed (Scarabaeidae: Scarabaeinae: Phanaeini). The year of description of Oxysternon (Oxysternon) festivum (Linnaeus, 1758) is corrected, its existing lectotype invalidated, and a new lectotype designated (Scarabaeidae: Scarabaeinae: Phanaeini). The correct spelling of Phanaeus (Phanaeus) prasinus trinidadens Arnaud, 2001 and Phanaeus (Phanaeus) prasinus joliyi Arnaud, 2001 is discussed (Scarabaeidae: Scarabaeinae: Phanaeini). The seniority of Chlorota aulica Burmeister, 1844 over Chlorota metallica Burmeister, 1844 is restored (Scarabaeidae: Rutelinae: Rutelini). The year of description of Rutela lineola (Linnaeus, 1758) is corrected and a lectotype is designated (Scarabaeidae: Rutelinae: Rutelini). Cyclocephala aulustjaorum nomen novum is proposed as a replacement name for the preoccupied name Cyclocephala brevis Höhne, 1923 (Scarabaeidae: Dynastinae: Cyclocephalini). The spelling of the generic name Harposceles Burmeister, 1847 is fi xed (Scarabaeidae: Dynastinae: Cyclocephalini). The incorrect subsequent spelling Stenocrates haackae Ratcliffe, 1977 is preserved (Scarabaeidae: Dynastinae: Cyclocephalini). The name Scarabaeus simson Linnaeus, 1767 is invalidated as a synonym of Megasoma actaeon (Linnaeus, 1758) (Scarabaeidae: Dynastinae: Dynastini). The spelling of the generic name Coelosis Hope, 1837 is found to be correct (Scarabaeidae: Dynastinae: Oryctini). The validity of Steyskal’s emendation of the name Megaceropsis quadridentata Dechambre, 1976 is confi rmed (Scarabaeidae: Dynastinae: Oryctini). The lectotype of Podischnus agenor (Olivier, 1789) is invalidated and a new lectotype is designated (Scarabaeidae: Dynastinae: Oryctini).
The previously published list of Coleoptera holotypes in the Museo de Historia Natural, Noel Kempff Mercado (MNKM), Santa Cruz, Bolivia is updated to include those deposited in the Museo since then though the end of 2015. Literature citations for the original descriptions of each listed holotype are also provided along with summary comments regarding family composition and authorship of included species. Photographs of collector, authors, habitats, and major Bolivian type repositories are provided.
Engerlinge, die Larven der Scarabaeidae (Coleoptera), gehören weltweit zu den wichtigsten Bodenschädlingen und ihre Bedeutung scheint zuzunehmen. Wirksame, aber umweltschädigende und gesundheitsgefährdende Insektizide wurden verboten. In gewissen Regionen oder für bestimmte Indikationen waren nie welche bewilligt und im biologischen Anbau standen keine Bekämpfungsmittel zur Verfügung. Aus diesen Gründen wurde die Entwicklung von Mykoinsektiziden gegen Ende des letzten Jahrhunderts forciert. Heute stehen in der Schweiz zwei Produkte zur Verfügung: Ein Produkt basierend auf Beauveria brongniartii (Sacc.) Petch (Ascomycetes, Clavicipitaceae) zur Bekämpfung der Maikäfer (Melolontha melolontha L.)-Engerlinge und ein anderes basierend auf Metarhizium ansiopliae (Metschn.) Sorokin (Ascomycetes, Nectriaceae) zur Bekämpfung der Engerlinge des Juni- und des Gartenlaubkäfers [Amphimallon solostiale L., A. majale (Razoum.), Phyllopertha horticola L.]. Ersteres ist seit seiner Markteinführung 1991 zum Mittel der Wahl geworden, rund 2500 ha wurden bis heute damit behandelt (Keller, 2000a, 2004). Die Erfahrungen zeigen, dass besonderes Augenmerk auf die Qualität des Produktes und die Applikation sowie auf den Applikationszeitpunkt gelegt werden muss. Mit genetischen Markern stehen wirksame Hilfsmittel zum Studium der Ausbreitung, der Persistenz und der Nebenwirkungen zur Verfügung (Enkerli et al. 2001). Bei der Anwendung von M. anisopliae bestehen noch wenige Praxiserfahrungen. Das Produkt wurde bisher vorwiegend auf Golfplätzen eingesetzt. Über Langzeitwirkungen, die im Falle der Blastosporenanwendung von B. brongniartii gut dokumentiert sind (Keller, 2004), liegen erst wenige Daten vor. In den letzten Jahren wurden vermehrt Engerlingsschäden beobachtet, die durch zwei oder mehr Arten von Engerlingen verursacht werden. Wenn Maikäfer-Engerlinge beteiligt sind, stellt sich das Problem, dass zwei Pilzarten zur Bekämpfung eingesetzt werden müssen. Zur Zeit laufen Untersuchungen in solchen Schadgebieten, die Aufschluss geben werden über die wirksamste Art der Behandlung und über mögliche Interaktionen zwischen den Pilzen. In diesem Beitrag werden die neuesten Untersuchungsergebnisse vorgestellt.
Cockchafers of the genus Melolontha (Coleoptera: Scarabaeidae) can be severe pests in forestry, agriculture and horticulture. Gradation of the two most important species, the forest cockchafer M. hippocastani FABR. and the European cockchafer M. melolontha L., occurs currently in several parts of central Europe. Orientation behaviour of the adult beetles has been the focus of recent studies (REINECKE et al. 2002 a, b, 2005). However, especially the larvae are dreaded because their belowground damage is not visible directly after feeding. There are a lot of speculations about belowground living insects and their way of living, but until now there were not that many experimental investigations. A rather unknown topic is the orientation behaviour of soil living organisms, which is also subject of some publications (HORBER 1954, HAUSS & SCHÜTTE 1976, HASLER 1986, HIBBARD et al. 1994, JEWETT & BJOSTAD 1996, BERNKLAU & BJOSTAD 1998A, BERNKLAU & BJOSTAD 1998B, BERNKLAU et al. 2005).