Fifteen New Species of Sonoma Casey from the Eastern United States and a Description of the Male of Sonoma Tolulae (Leconte) (Coleoptera: Staphylinidae: Pselaphinae)
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University of Nebraska - Lincoln DigitalCommons@University of Nebraska - Lincoln Center for Systematic Entomology, Gainesville, Insecta Mundi Florida 9-24-2010 Fifteen new species of Sonoma Casey from the eastern United States and a description of the male of Sonoma tolulae (LeConte) (Coleoptera: Staphylinidae: Pselaphinae) Michael L. Ferro Louisiana State Arthropod Museum, [email protected] Christopher E. Carlton Louisiana State University Agricultural Center, [email protected] Follow this and additional works at: https://digitalcommons.unl.edu/insectamundi Part of the Entomology Commons Ferro, Michael L. and Carlton, Christopher E., "Fifteen new species of Sonoma Casey from the eastern United States and a description of the male of Sonoma tolulae (LeConte) (Coleoptera: Staphylinidae: Pselaphinae)" (2010). Insecta Mundi. 655. https://digitalcommons.unl.edu/insectamundi/655 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 0137 Fifteen new species of Sonoma Casey from the eastern United States and a description of the male of Sonoma tolulae (LeConte) (Coleoptera: Staphylinidae: Pselaphinae) Michael L. Ferro Louisiana State Arthropod Museum, Department of Entomology, LSB 400 Louisiana State University Agricultural Center Baton Rouge, LA 70808, U.S.A. Christopher E. Carlton Louisiana State Arthropod Museum, Department of Entomology, LSB 400 Louisiana State University Agricultural Center Baton Rouge, LA 70808, U.S.A. Date of Issue: September 24, 2010 CENTER FOR SYSTEMATIC ENTOMOLOGY, INC., Gainesville, FL Michael L. Ferro and Christopher E. Carlton Fifteen new species of Sonoma Casey from the eastern United States and a description of the male of Sonoma tolulae (LeConte) (Coleoptera: Staphylinidae: Pselaphinae) Insecta Mundi 0137: 1-44 Published in 2010 by Center for Systematic Entomology, Inc. P. O. Box 141874 Gainesville, FL 32614-1874 U. S. A. http://www.centerforsystematicentomology.org/ Insecta Mundi is a journal primarily devoted to insect systematics, but articles can be published on any non-marine arthropod taxon. 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This is an open access article distributed under the terms of the Creative Commons, Attribution Non-Commercial License, which permits unrestricted non-commercial use, distri- bution, and reproduction in any medium, provided the original author(s) and source are credited. http:// creativecommons.org/licenses/by-nc/3.0/ 0137: 1-44 2010 Fifteen new species of Sonoma Casey from the eastern United States and a description of the male of Sonoma tolulae (LeConte) (Coleoptera: Staphylinidae: Pselaphinae) Michael L. Ferro Louisiana State Arthropod Museum Department of Entomology, LSB 400 Louisiana State University Agricultural Center Baton Rouge, LA 70803, U.S.A. [email protected] Christopher E. Carlton Louisiana State Arthropod Museum Department of Entomology, LSB 400 Louisiana State University Agricultural Center Baton Rouge, LA 70803, U.S.A. [email protected] Abstract. Fifteen new species of faronine pselaphines in the genus Sonoma Casey are described: S. baylessae; S. brasstownensis; S. chouljenkoi; S. cygnus; S. gilae; S. gimmeli; S. holmesi; S. mayori; S. nicholsae; S. parkorum; S. nhunguyeni; S. sokolovi; S. streptophorophallus; S. tishechkini; S. tridens. Male specimens of Sonoma tolulae (LeConte) were collected from the type locality and this species is redescribed. These species bring the total diversity of the genus to 43 species. The genus is divided into four species groups based on characters of the male genitalia. Sonoma corticina Casey was not included in the genus when it was described, thus it cannot be the type species of the genus. We here designate Sonoma tolulae (LeConte) as the type species of the genus Sonoma. A key is provided that will allow discrimination of all eastern species. Life history, habitat, and collection techniques are discussed. Introduction Sonoma was described by Casey (1886) to include two species previously placed in Faronus, S. tolulae (LeConte) and S. isabellae (LeConte) (LeConte 1849, 1851). Casey did not designate a type species. Casey (1887) later described two more species (S. corticina Casey and S. cavifrons Casey) and moved Euplectus parviceps Mäklin (1852) into Sonoma. Casey refers to “parviceps Mäkl” in the diagnoses of the two new species but never mentions the genus Euplectus by name. In the first revision of the genus Casey (1893) described four more species (S. grandiceps Casey, S. longicollis Casey, S. subsimilis Casey, and S. rubida Casey), and S. parviceps (Mäklin) was redescribed. In that same publication Casey (1893) moved S. tolulae into a new genus, Rafonus, but it was returned when Raffray (1904) synonymized Rafonus with Sonoma. Lucas (1920) designated S. corticina Casey as the type species for the genus; however, this designation is invalid, see below. For nearly three-quarters of a century no new species of Sonoma were described until Park and Wagner (1962) added three from the Pacific Northwest, S. margemina Park and Wagner, S. hespera Park and Wagner, and S. olycalida Park and Wagner. The genus was revised again by Marsh and Schuster (1962) who synonymized Casey’s S. longicollis and S. subsimilis with S. cavifrons, and described nine additional species, S. repanda Marsh and Schuster, S. spadica Marsh and Schuster, S. dolabra Marsh and Schuster, S. vanna Marsh and Schuster, S. triloba Marsh and Schuster, S. cuneata Marsh and Schuster, S. humilis Marsh and Schuster, S. dilopha Marsh and Schuster, and S. priocera Marsh and Schuster. This brought the total number of valid species of Sonoma to 19, all but one of which were found on the Pacific coast of North America, leaving only one, S. tolulae, described from eastern North America. In their revision Marsh and Schuster (1962) redescribed S. tolulae and provided an illustration of male genitalia even though the holotype of S. tolulae is female (MCZ Type Database 2009). They did not mention how many specimens of S. tolulae were studied and only one locality was given as a new distributional record, so presumably only one specimen, or a series of specimens from a single locality were examined (see comments below). Chandler (1983) described an additional species, S. yahiorum Chandler, from California, and five more species (Chandler 1986) from Oregon, S. petersi 1 2 • I NSECTA M UNDI 0137, September 2010 FERRO AND CARLTON Chandler, S. cascadia Chandler, S. quercicola Chandler, S. conifera Chandler, and S. russelli Chandler. A survey of the pselaphid fauna of Tehama and surrounding counties in California resulted in the discov- ery of three more species, S. tehamae Chandler, S. wintuorum Chandler, and S. konkoworum Chandler (Chandler 2003). Sonoma yahiorum was transferred to Megarafonus (Chandler 2003). The most recently described species of Sonoma, from British Columbia, is S. squamishorum Chandler and Klimaszewski (McLean et al. 2009). These later papers brought the total number of species to 28, all from western North America, with the exception of S. tolulae (Map 1). Sonoma corticina Casey was not one of the originally included nominal species when