Gyrophaena (Gyrophaena) keeni Casey 1911

• Main Authors: Klimaszewski, Jan, Webster, Reginald, Savard, Karine
• Format: Text
• Language: unknown
• Published: Zenodo 2009
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Coleoptera; Staphylinidae; Gyrophaena; Gyrophaena keeni; British Columbia; Canada; Rotten; Stump; Yukon; Alaska
• Online Access: https://dx.doi.org/10.5281/zenodo.3791047; https://zenodo.org/record/3791047

II. Gyrophaena ( Gyrophaena ) keeni species group (Seevers, 1951: 680) 3. Gyrophaena ( Gyrophaena ) keeni Casey Figs 4, 31–38; Map 1 Gyrophaena keeni Casey, 1911: 185; Seevers 1951: 681; Moore and Legner 1975: 430; Campbell and Davies 1991: 106. Description. Body length 1.6–1.9 mm, approximately broadly subparallel; head rufo-piceous to piceous; pronotum reddish-brown or medium dark brown; elytra light reddish-brown or light brown with dark brown posterior angles; abdomen reddish- 7. G. illiana 8. G. sculptipennis 9. G. involuta Figures 4–9. Gyrophaena species in dorsal view (apical part of abdomen removed): 4 G . ( G .) keeni Casey 5 G . ( G .) caseyi Seevers 6 G . ( G .) laetula Casey 7 G . ( G .) illiana Seevers 8 G . ( G .) sculptipennis Casey and 9 G . ( G .) involuta Casey. brown or light brown with piceous posterior portion. Punctation: vertex of head with at least six small punctures on each side; pronotum with median rows of usually three punctures and a small cluster medially near base of disc; elytra sparsely and irregularly punctate. Microsculpture: finely meshed and strong on head and pronotum. Antennae as illustrated (Fig. 4). Pronotum 1.4 times as wide as long. MALE: tergite 8 with two long lateral teeth and two shorter median teeth (Fig. 34); sternite 8 broadly arcuate apically (Fig. 35). Median lobe of aedeagus with narrowly triangular tubus sinuate laterally (Figs 31, 32), dorsal projection of internal sac tubular and short, flagellum everted and coiled (Fig. 32), compressor plate elevated (Fig. 32). Paramere as illustrat- ed (Fig. 33). FEMALE. Tergite 8 truncate apically (Fig. 37); sternite 8 apically pointed (Fig. 38); spermatheca as illustrated (Fig. 36). Bionomics. Macrohabitat: Mature mixed forest, 8.5-year-old regenerating mixed forest, eastern white cedar ( Thuja occidentalis L.) swamps and red spruce ( Picea rubens Sarg.) and red maple ( Acer rubrum L.) forest (80–120 years old). This species has been found in a conifer forest and an eastern hemlock forest [ Tsuga canadensis (L.)] (120+ years old). Microhabitat: Gilled fungi on rotten log, in gilled mushrooms, in gilled mushrooms on stump, in moss near brook, on polypore fungi on dead standing Populus sp. Collecting period: June, July, August, and September. Collecting method: sifting mushrooms, aspirating and hand picking specimens. Distribution (Map 1). CANADA: Alberta, British Columbia, New Brunswick, Ontario, Quebec, Yukon Territory; UNITED STATES: Florida, Maine, Massachusetts, Montana, New Hampshire, New York, Tennessee, Washington and Wyoming. Map Ι. Collection localities in New Brunswick, Canada of Gyrophaena keeni : Published as part of Klimaszewski, Jan, Webster, Reginald & Savard, Karine, 2009, Review of the rove beetle species of the subtribe Gyrophaenina Kraatz (Coleoptera, Staphylinidae) from New Brunswick, Canada: new species, provincial records and bionomic information, pp. 81-170 in ZooKeys 22 (22) on pages 93-95, DOI: 10.3897/zookeys.22.219, http://zenodo.org/record/576536 : {"references": ["Seevers CH (1951) A revision of the North American and European staphylinid beetles of the subtribe Gyrophaenae (Aleocharinae, Bolitocharini). Fieldiana Zoology 32 (10): 659 - 762.", "Casey TL (1911) New American species of Aleocharinae and Myllaeninae. Memoirs on the Coleoptera 2. The New Era Printing Company, Lancaster, Pennsylvania, 245 pp.", "Moore I, Legner EF (1975) A catalogue of the Staphylinidae of America north of Mexico (Coleoptera). Division of Agricultural Science, University of California Special Publication 3015: 514 pp.", "Campbell JM and Davies A (1991) Family Staphylinidae rove beetles. In: Bousquet Y (Ed) Checklist of beetles of Canada and Alaska. Agriculture Canada Research Branch III Series Publication 1861 / E: 1 - 430."]}