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Five New Species of <I>Chrysina</I> Kirby

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Five New Species of <I>Chrysina</I> Kirby University of Nebraska - Lincoln DigitalCommons@University of Nebraska - Lincoln Center for Systematic Entomology, Gainesville, Insecta Mundi Florida 4-12-2017 Five new species of Chrysina Kirby (Coleoptera: Scarabaeidae: Rutelinae) David C. Hawks University of California - Riverside, [email protected] Follow this and additional works at: http://digitalcommons.unl.edu/insectamundi Part of the Ecology and Evolutionary Biology Commons, and the Entomology Commons Hawks, David C., "Five new species of Chrysina Kirby (Coleoptera: Scarabaeidae: Rutelinae)" (2017). Insecta Mundi. 1055. http://digitalcommons.unl.edu/insectamundi/1055 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. INSECTA MUNDI A Journal of World Insect Systematics 0544 Five new species of Chrysina Kirby (Coleoptera: Scarabaeidae: Rutelinae) David C. Hawks Department of Entomology, University of California Riverside, California 92521 USA Date of Issue: April 12, 2017 CENTER FOR SYSTEMATIC ENTOMOLOGY, INC., Gainesville, FL David C. Hawks Five new species of Chrysina Kirby (Coleoptera: Scarabaeidae: Rutelinae) Insecta Mundi 0544: 1–9 ZooBank Registered: urn:lsid:zoobank.org:pub:06B12AE7-A3D7-4D79-96BA-2BDD12B2250C 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 Ab- stracts, 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: Eugenio H. Nearns 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: Eugenio H. Nearns 0544: 1–9 2017 Five new species of Chrysina Kirby (Coleoptera: Scarabaeidae: Rutelinae) David C. Hawks Department of Entomology, University of California Riverside, California 92521 USA [email protected] Abstract. Five new species of Chrysina Kirby (Coleoptera: Scarabaeidae: Rutelinae) are described from Costa Rica, Panama, and Mexico: Chrysina falcifera Hawks, C. galbina Hawks, C. juxtaprasina Hawks, C. paulseni Hawks, and C. sagacita Hawks. Key Words. Rutelini, North America, Central America Introduction The ruteline scarab genus Chrysina includes about 120 valid species (Monzón 2017), including fi ve species described herein. Commonly known as ‘jewel scarabs’ for their bright iridescent and metallic coloration, they occur exclusively in the New World from the southwestern United States south to northwestern South America. Hawks (2001) provided the most recent taxonomic and nomenclatural assessment of the genus, and included a synonymic checklist of species divided into informal species groups. In 2001, about 100 species were recognized, and many more have been described during the past 15+ years. A key to species groups and species of Chrysina does not exist, and it is beyond the scope of the present work to include such a key. However, fi ve new species are herein described in preparation for additional revisionary work and a molecular phylogenetic analysis of the genus. Materials and Methods Five new species of Chrysina are described and diagnosed based on a template of morphological characters used by Morón (1990), and expanded by Hawks (e.g., Hawks 1999). Measurements are to the nearest 0.5 mm. Brief remarks are presented for each species. Holotype deposition is provided in the descriptions, and paratypes have been or will be deposited in several public and private collections when appropriate. Type depositories include the following institutions: The Natural History Museum, London, UK (BMNH) The California Academy of Sciences, San Francisco, CA, USA (CASC) National Museum of Natural History, Smithsonian Institution, Washington, D. C., USA (USNM) Genus Chrysina Kirby Chrysina Kirby, 1828 (1827): 522. Type-species: Chrysina peruviana Kirby, by monotypy Plusiotis Burmeister, 1844: 417. Type-species: Pelidnota victorina Hope, 1840: 11, by subsequent des- ignation (Ohaus, 1934: 16) Pelidnotopsis Ohaus, 1915: 257. Type-species: Pelidnota plusiotina Ohaus, 1912: 304, by monotypy. Plusiotina Casey, 1915: 84. Type-species: Plusiotina aeruginis Casey, 1915: 85 Chrysina falcifera Hawks, new species Figures 1, 6–8. Type data. Holotype male (deposited at BMNH), labeled: a) handwritten “Pirris / Costa Rica / June 1901”; b) “Nevinson Coll. / 1918-14”; c) handwritten “Plusiotis / marginatus /Waterh.”; d) on red paper, 2 • INSECTA MUNDI 0544, April 2017 HAWKS “Chrysina / falcifera male symbol / Hawks, 2017 / HOLOTYPE”. Paratype female labeled: a) handwrit- ten “Savanillas / de Pirris / C. Rica 5.1900”; b) “Nevinson Coll. / 1918-14”; c) handwritten “Plusiotis / marginatus /Waterh.”; d) on yellow paper, “Chrysina / falcifera female symbol / Hawks, 2017 / PARA- TYPE”. Paratype male (Fig. 1) labeled: a) handwritten “Costa Rica”; b) on yellow paper, “Chrysina / falcifera male symbol / Hawks, 2017 / PARATYPE”. Description, holotype male. Length 22.5 mm, width 11.5 mm. Color of dorsal surface of head, prono- tum, elytra, and pygidium mostly iridescent yellowish green; clypeus and pronotum edged with golden green; elytral margin with well-defi ned metallic golden band (includes apical calli); ventral surface of body iridescent green; femora and tibiae iridescent yellow-green; tarsi iridescent cupreous; antennal scape iridescent yellowish green dorsally; remainder of antennomeres present brown (clubs missing). Head. Form broadly rounded. Dorsal surface of head with small, weakly impressed punctures, mixed with fi ne punctures. Clypeus convex in lateral view. Anterior border of labrum bisinuate, with 2 emarginations. Mandibles hidden in dorsal view. Eye size moderate with ratio of interocular distance to width of pronotum at base = 1 : 2.1. Thorax. Pronotal basal margin absent in central region adjacent to scutellum. Pronotal surface with small punctures larger, more deeply impressed than those of head; punctures sparse, becoming denser laterally. Mesosternal process long, slightly dorsoventrally compressed, rounded at apex. Each elytron with striae nearly obsolete, only sutural and 3 discal striae at all visible, interstriae weakly punctate as pronotum; epipleural fold narrow, terminating just posterior to fi rst abdominal sternite. Abdomen. Surface smooth with several short, fi ne hairs at apex. Genitalia: Genital capsule length 7.5 mm. Parameres (Fig. 6–8) fused into dorsoventrally fl attened, ventrally refl exed, narrow hook, apex weakly notched; each side near base with 1 short triangular spine; ventral keel absent. Ventral plates asymmetrical, narrow, apices acute. Male paratype variation (n= 1). Length 22 mm, width 11 mm. Male paratype
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