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Jumping Bristletail (Insecta: Apterygota: Microcoryphia) Records in the Southeastern United States

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Jumping Bristletail (Insecta: Apterygota: Microcoryphia) Records in the Southeastern United States University of Nebraska - Lincoln DigitalCommons@University of Nebraska - Lincoln Center for Systematic Entomology, Gainesville, Insecta Mundi Florida 2020 Jumping bristletail (Insecta: Apterygota: Microcoryphia) records in the southeastern United States Grant D. De Jong Pensacola Christian College, [email protected] Follow this and additional works at: https://digitalcommons.unl.edu/insectamundi Part of the Ecology and Evolutionary Biology Commons, and the Entomology Commons De Jong, Grant D., "Jumping bristletail (Insecta: Apterygota: Microcoryphia) records in the southeastern United States" (2020). Insecta Mundi. 1256. https://digitalcommons.unl.edu/insectamundi/1256 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. February 28 2020 INSECTA 8 urn:lsid:zoobank. A Journal of World Insect Systematics org:pub:9F4F2ED1-BB6E-4DEE- UNDI M 9ED9-B08FB40A4576 0755 Jumping bristletail (Insecta: Apterygota: Microcoryphia) records in the southeastern United States Grant D. De Jong Pensacola Christian College 250 Brent Lane Pensacola, Florida 32503 Date of issue: February 28, 2020 CENTER FOR SYSTEMATIC ENTOMOLOGY, INC., Gainesville, FL Grant D. De Jong Jumping bristletail (Insecta: Apterygota: Microcoryphia) records in the southeastern United States Insecta Mundi 0755: 1–8 ZooBank Registered: urn:lsid:zoobank.org:pub:9F4F2ED1-BB6E-4DEE-9ED9-B08FB40A4576 Published in 2020 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 and CAB Abstracts. 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. Guidelines and requirements for the preparation of manuscripts are available on the Insecta Mundi website at http://centerforsystematicentomology.org/insectamundi/ Chief Editor: David Plotkin, [email protected] Assistant Editor: Paul E. Skelley, [email protected] Head Layout Editor: Robert G. Forsyth Editorial Board: J. H. Frank, M. J. Paulsen Founding Editors: Ross H. Arnett, Jr., Virendra Gupta, John B. Heppner, Lionel A. Stange, Michael C. Thomas, Robert E. Woodruff Review Editors: Listed on the Insecta Mundi webpage 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 Commons, 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 0755: 1–8 2020 Jumping bristletail (Insecta: Apterygota: Microcoryphia) records in the southeastern United States Grant D. De Jong Pensacola Christian College 250 Brent Lane Pensacola, Florida 32503 [email protected] Abstract. Few records of Microcoryphia exist for the southeastern United States, with named species being re- ported only from Arkansas, Tennessee, and the mid-Atlantic states, and with an unnamed species being reported from Georgia. Records are here provided from 291 specimens housed in the Mississippi Entomological Museum, including ten new species-level state records. This is also the first published report of the order Microcoryphia from Alabama and Mississippi. Species include the machilids Pedetontoides atlanticus Mendes in Alabama, Ar- kansas, Georgia, Mississippi, and North Carolina; Pedetontus cf. atlanticus in Kentucky; Pedetontus (Verhoeffilis) gershneri Allen in Arkansas; and Pedetontus (Pedetontus) saltator Wygodzinsky and Schmidt in Mississippi and North Carolina; and the meinertellid Machiloides banksi (Silvestri) in Alabama, Arkansas, Mississippi, and North Carolina. Key words. Archaeognatha, Machilidae, Meinertellidae, distribution. Introduction The Microcoryphia (= Archaeognatha, or jumping bristletails) are a small order of apterygote insects with monocondylic mandibles (Ferguson 1990). There are about 500 species worldwide (Mendes 1990). Microcoryphia as distinguished from the Thysanura, another apterygote order, by being more rounded instead of being dorsoventrally flattened, by the large contiguous compound eyes instead of small, widely separated compound eyes in the Thysanura, and by the ability to jump, among other characters (Fer- guson 1990). The North American fauna includes 30 named species distributed between the primarily tropical Meinertellidae, with eight species, and the widespread Machilidae, which is now considered paraphyletic (Ma et al. 2015). Two of the three currently recognized subfamilies of Machilidae occur in North America, including the Machilinae with six species and the Petrobiinae with 16 species (Table 1). Most of the diversity of the Nearctic fauna is concentrated in the western half of the continent, with only seven species reported from the eastern half, and it is likely that additional species will be discovered and named in North America (Bowser 2019a). The two families of Microcoryphia are easily distinguished from each other by two characters. The abdominal urosternites are poorly developed and extending posteriorly less than 0.2× the length of the corresponding coxites in Meinertellidae, versus well developed and extending up to 0.7× the length of the corresponding coxites in Machilidae. The antennal scapes have at least some scales in Machilidae but lack scales entirely in the Meinertellidae (Ferguson 1990). Wygodzinsky and Schmidt (1980) reviewed four species of Microcoryphia in the northeastern United States and adjacent areas of Canada, noting that the distributions of some of those species extend into the southeastern states. Of the Machilidae reported from the southeastern United States, the adven- tive Trigoniophthalmus alternatus (Silvestri) is known from southern West Virginia, Pedetontoides atlanticus Mendes was described from North Carolina, and Pedetontus gershneri Allen was described from Arkansas (Mendes 1990; Allen 1995; De Jong 2013). Machilis variabilis Say is considered to be a nomen dubium (Wygodzinsky and Schmidt 1980); however, Folsom (1928) used this name to report some species of Microcoryphia from North Carolina and Tennessee. In the Meinertellidae, Machiloides banksi Silvestri is known from the central Atlantic states, Arkansas, and Missouri (Wygodzinsky and Schmidt 1980; Allen 1995), while an unnamed species of Neomachilellus has been reported from the Atlantic coast of Florida and Georgia (Wygodzinsky 1969; Sturm 1984). This paper reports additional southeastern United States distributions of several of these species from specimens in the Mississippi Entomological Museum (MEM) at Mississippi State University. 0755: 1–8 2020 Table 1. Checklist of the named species of Microcoryphia of North America. Additional unnamed species are known to exist. Machilidae Machilinae Mesomachilis (Mesomachilis) leechi Sturm, 1991 Mesomachilis (Mesomachilis) nearctica Silvestri, 1911 Mesomachilis (Mesomachilis) strenua Silvestri, 1911 Mesomachilis (Rarochilis) californica Sturm, 1991 Mesomachilis (Rarochilis) canadensis Sturm, 1991 Trigoniophthalmus alternatus (Silvestri, 1904) Petrobiinae Leptomachilis californica Sturm, 1991 Meximachilis cokendolpheri Kaplin, 1994 Neomachilis halophila Silvestri, 1911 Pedetontoides atlanticus Mendes, 1981 Pedetontus (Pedetontus) californicus
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