Gyrophaena (Gyrophaena) laetula Casey 1906
Creators: name: Klimaszewski, Jan
name: Webster, Reginald
name: Savard, Karine
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Gyrophaena
Gyrophaena laetula

description: III. <i>Gyrophaena (Gyrophaena) laetula</i> species group (Seevers, 1951: 685) 6. <i>Gyrophaena</i> (<i>Gyrophaena</i>) <i>laetula</i> Casey Figs 6, 46–52; Map 3 <i>Gyrophaena laetula</i> Casey, 1906: 300; Seevers 1951: 685; Moore and Legner 1975: 430. <i>Gyrophaena fustifer</i> Casey, 1906: 300. Synonymized by Seevers 1951: 685. <i>Gyrophaena centralis</i> Casey, 1906: 301. Synonymized by Seevers 1951: 685. <b>Description.</b> Body length 1.5–1.7 mm, stout and compact; head rufo-piceous; pronotum rufo-testaceous; elytra light brown; abdomen rufo-testaceous to reddishbrown with dark brown apical portion. Punctation: vertex of head with at least 10 large umbilicate punctures on each side, pronotum irregularly punctate, median rows with punctures confused by scattered punctures; elytra finely and sparsely <b>Map 3.</b> Collection localities in New Brunswick, Canada of <i>Gyrophaena laetula</i> punctate. Microsculpture: finely meshed and throughout. Antennae as illustrated (Fig. 6). Pronotum 1.7 times as wide as long. MALE: tergite 8 with two large rounded teeth and 2–4 smaller median teeth (Fig. 48); sternite 8 broadly rounded apically (Fig. 49). Median lobe of aedeagus with moderately broadly elongate tubus with apical part produced ventrally and bearing small, narrow apical projection directed anteriad in lateral view (Fig. 46), dorsal projection of internal sac irregularly elongate in shape (Fig. 46). Paramere as illustrated (Fig. 47). FEMALE. Tergite 8 truncate apically (Fig. 51); sternite 8 pointed apically (Fig. 52); spermatheca as illustrated (Fig. 50). <b>Bionomics. Macrohabitat:</b> Mixed forests, mature mixed forests, regenerating mixed forest, red spruce and yellow birch forest, mature red spruce and red maple forest, forested black spruce (<i>Picea mariana</i> (Mill.) BSP) bog with red maple. <b>Microhabitat:</b> on/in gilled mushrooms, on <i>Pleurotus</i> sp. on dead standing <i>Populus tremuloides</i> Michx. <b>Collecting</b> <b>period:</b> June, July, August, and September. <b>Collecting method:</b> sifting mushrooms and aspirating specimens. <b>Distribution</b> (Map 3). <b>CANADA: New Brunswick</b>; UNITED STATES: District of Columbia, Illinois, Indiana, Kentucky, Massachusetts, New York, Pennsylvania, Tennessee, Virginia, and Wisconsin.
description: Published as part of <i>Klimaszewski, Jan, Webster, Reginald &amp; 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)</i> on pages 97-98, DOI: 10.3897/zookeys.22.219, http://zenodo.org/record/576536
description: {"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 (1906) Observations of the staphylinid groups Aleocharinae and Xantholinini, chiefly of America. Transactions of the Academy of Sciences of St. Louis 16: 125 - 435.", "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."]}