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A New Cryptic Species of <I>Aleochara</I> Gravenhorst

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A New Cryptic Species of <I>Aleochara</I> Gravenhorst University of Nebraska - Lincoln DigitalCommons@University of Nebraska - Lincoln Center for Systematic Entomology, Gainesville, Insecta Mundi Florida 12-29-2017 A new cryptic species of Aleochara Gravenhorst associated with Marmota monax (Linnaeus) burrows and caves in North America (Coleoptera: Staphylinidae: Aleocharinae) Jan Klimaszewski Canadian Forest Service, [email protected] Reginald P. Webster Charters Settlement, New Brunswick, Canada Adam Brunke Canadian National Collection of Insects Follow this and additional works at: https://digitalcommons.unl.edu/insectamundi Part of the Ecology and Evolutionary Biology Commons, and the Entomology Commons Klimaszewski, Jan; Webster, Reginald P.; and Brunke, Adam, "A new cryptic species of Aleochara Gravenhorst associated with Marmota monax (Linnaeus) burrows and caves in North America (Coleoptera: Staphylinidae: Aleocharinae)" (2017). Insecta Mundi. 1110. https://digitalcommons.unl.edu/insectamundi/1110 This Article is brought to you for free and open access by the Center for Systematic Entomology, Gainesville, Florida at DigitalCommons@University of Nebraska - Lincoln. It has been accepted for inclusion in Insecta Mundi by an authorized administrator of DigitalCommons@University of Nebraska - Lincoln. December 29 December INSECTA 2017 0600 1–11 A Journal of World Insect Systematics MUNDI 0600 A new cryptic species of Aleochara Gravenhorst associated with Marmota monax (Linnaeus) burrows and caves in North America (Coleoptera: Staphylinidae: Aleocharinae) Jan Klimaszewski Natural Resources Canada Canadian Forest Service Laurentian Forestry Centre 1055 du P.E.P.S., P.O. Box 10380 Stn. Sainte-Foy, Québec, G1V 4C7, Canada Reginald P. Webster 24 Mill Stream Dr. Charters Settlement, New Brunswick, Canada E3C 1X1 Adam Brunke Canadian National Collection of Insects Arachnids and Nematodes, Agriculture and Agri-Food Canada Ottawa, Ontario, Canada K1A 0C6 Date of Issue: December 29, 2017 CENTER FOR SYSTEMATIC ENTOMOLOGY, INC., Gainesville, FL Jan Klimaszewski, Reginald P. Webster and Adam Brunke A new cryptic species of Aleochara Gravenhorst associated with Marmota monax (Linnaeus) burrows and caves in North America (Coleoptera: Staphylinidae: Aleocharinae) Insecta Mundi 0600: 1–11 ZooBank Registered: urn:lsid:zoobank.org:pub:F99C9714-081F-4B4D-A642-62E4222DFC5A Published in 2017 by Center for Systematic Entomology, Inc. P. O. Box 141874 Gainesville, FL 32614-1874 USA http://centerforsystematicentomology.org/ Insecta Mundi is a journal primarily devoted to insect systematics, but articles can be published on any non-marine arthropod. Topics considered for publication include systematics, taxonomy, nomenclature, checklists, faunal works, and natural history. Insecta Mundi will not consider works in the applied sciences (i.e. medical entomology, pest control research, etc.), and no longer publishes book reviews or editorials. Insecta Mundi publishes original research or discoveries in an inexpensive and timely manner, distributing them free via open access on the internet on the date of publication. Insecta Mundi is referenced or abstracted by several sources including the Zoological Record, CAB Abstracts, etc. Insecta Mundi is published irregularly throughout the year, with completed manuscripts assigned an individual number. Manuscripts must be peer reviewed prior to submission, after which they are reviewed by the editorial board to ensure quality. One author of each submitted manuscript must be a current member of the Center for Systematic Entomology. Chief Editor: David Plotkin, e-mail: [email protected] Assistant Editor: Paul E. Skelley, e-mail: [email protected] Head Layout Editor: Robert G. Forsyth Editorial Board: J. H. Frank, M. J. Paulsen, Michael C. Thomas Review Editors: Listed on the Insecta Mundi webpage Manuscript Preparation Guidelines and Submission Requirements available on the Insecta Mundi web-page at: http://centerforsystematicentomology.org/insectamundi/ Printed copies (ISSN 0749-6737) annually deposited in libraries: CSIRO, Canberra, ACT, Australia Museu de Zoologia, São Paulo, Brazil Agriculture and Agrifood Canada, Ottawa, ON, Canada The Natural History Museum, London, UK Muzeum i Instytut Zoologii PAN, Warsaw, Poland National Taiwan University, Taipei, Taiwan California Academy of Sciences, San Francisco, CA, USA Florida Department of Agriculture and Consumer Services, Gainesville, FL, USA Field Museum of Natural History, Chicago, IL, USA National Museum of Natural History, Smithsonian Institution, Washington, DC, USA Zoological Institute of Russian Academy of Sciences, Saint-Petersburg, Russia Electronic copies (Online ISSN 1942-1354, CDROM ISSN 1942-1362) in PDF format: Printed CD or DVD mailed to all members at end of year. Archived digitally by Portico. Florida Virtual Campus: http://purl.fcla.edu/fcla/insectamundi University of Nebraska-Lincoln, Digital Commons: http://digitalcommons.unl.edu/insectamundi/ Goethe-Universität, Frankfurt am Main: http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:hebis:30:3-135240 Copyright held by the author(s). This is an open access article distributed under the terms of the Creative Com- mons, Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited. http://creativecommons.org/ licenses/by-nc/3.0/ Layout Editor for this article: Robert G. Forsyth 0600: 1–11 2017 A new cryptic species of Aleochara Gravenhorst associated with Marmota monax (Linnaeus) burrows and caves in North America (Coleoptera: Staphylinidae: Aleocharinae) Jan Klimaszewski Natural Resources Canada Canadian Forest Service Laurentian Forestry Centre 1055 du P.E.P.S., P.O. Box 10380 Stn. Sainte-Foy, Québec, G1V 4C7, Canada [email protected] Reginald P. Webster 24 Mill Stream Dr. Charters Settlement, New Brunswick, Canada E3C 1X1 Adam Brunke Canadian National Collection of Insects Arachnids and Nematodes Agriculture and Agri-Food Canada Ottawa, Ontario, Canada K1A 0C6 Abstract. A new cryptic species, Aleochara (Xenochara) castaneimarmotae Klimaszewski, Webster, and Brunke, new species (Coleoptera: Staphylinidae: Aleocharinae), associated with Marmota monax (Linnaeus) burrows and caves in eastern North America, is described and illustrated. A key to Canadian species of subgenus Xenochara Mulsant and Rey and revised distributions of the taxonomically difficult fumata species group are provided. Aleochara quadrata Sharp is recorded from Washington and Oregon for the first time. Key Words. Canada, rove beetles, parasitoid, taxonomy, nidicoly, troglophile Introduction Aleochara (Xenochara) castaneipennis Mannerheim was considered to be a polymorphic species at the time of the revision of the Nearctic species of Aleochara (Klimaszewski 1984). As a member of the fu- mata species group, specimens are difficult or impossible to identify based on external characters alone. However, a careful study of the aedeagus in lateral view, particularly the shape of the median lobe and subapical sclerite in the internal sac, will provide a reliable identification. Examination of newly col- lected series of specimens from Marmota monax (Linnaeus) burrows (often called woodchucks, ground hogs, or marmots), previously identified as A. castaneipennis, revealed an aedeagus and spermatheca different from those that were collected from other habitats. A large portion of the material originally identified as A. castaneipennis in Klimaszewski (1984) was re-examined and led to updated distribu- tions of species of the fumata species group. Materials and Methods All specimens in this study were dissected to examine the genital structures. Extracted genital struc- tures were dehydrated in absolute alcohol, mounted in Canada balsam on celluloid micro-slides, and pinned with the specimen from which they originated. Images of the entire body and the genital struc- tures were taken using an image processing system (Nikon SMZ 1500 stereoscopic microscope; Nikon Digital Camera DXM 1200F, and Adobe Photoshop software). 2 • INSECTA MUNDI 0600, December 2017 KLIMASZEWSKI ET AL. Morphological terminology mainly follows that used by Klimaszewski (1984). The ventral side of the median lobe of the aedeagus is considered to be the side of the bulbus containing the foramen mediale, the entrance of the ductus ejaculatorius, and the adjacent ventral side of the tubus of the median lobe with the internal sac and its structures (this part is referred to as the parameral side in some recent publications); the opposite side is referred to as the dorsal part. Information from labels is separated by a // where more than one label is present on specimens. Depository/institutional abbreviations CNC Canadian National Collection of Insects, Arachnids, and Nematodes, Agriculture and Agri- Food Canada, Ottawa, Ontario, Canada. LFC Natural Resources Canada, Canadian Forest Service, Laurentian Forestry Centre, R. Martin- eau Insectarium, Quebec City, Quebec, Canada. NBM New Brunswick Museum, Saint John, New Brunswick, Canada. RWC Reginald Webster Collection, Charters Settlement, NB, Canada. UAM University of Alaska Museum, Fairbanks, Alaska, USA. USNM United States National Museum, Washington, D.C., USA. UWP University of Wroclaw, Wroclaw, Poland. USA state abbreviations follow those of the US Postal Service. The following abbreviations are used in the text for Canadian jurisdictions: AB Alberta BC British Columbia LB Labrador NB New Brunswick NF Newfoundland
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