Gyrophaena corruscula Erichson, 1840: 189 Seevers 1951: 733 Moore and Legner 1975: 428 Review of the rove beetle species of the subtribe Gyrophaenina Kraatz (Coleoptera, Staphylinidae) from New Brunswick, Canada: new species, provincial records and bionomic information Klimaszewski, Jan Webster, Reginald Savard, Karine ZooKeys 2009 2009-09-28 22 22 81 170 6GX55 (Erichson) Erichson 1840 [185,575,694,721] Insecta Staphylinidae Eumicrota Animalia Coleoptera 47 128 Arthropoda species corruscula  Figs 29, 192–198; Map 25      Gyrophaena corruscula Erichson, 1840: 189;  Seevers 1951: 733;  Moore and Legner 1975: 428.   Description.Body length 1.0– 1.5 mm, dark brown to black. Punctation: vertex of head and pronotum finely and sparsely punctate, elytra finely, asperately punctate, ab-  Map 25.Collection localities in New Brunswick, Canadaof  Eumicrota corruscula domen sparsely, irregularly punctate (Fig. 29). Microsculpture: reticulate throughout, most evident on elytra. Antennae light yellow-brown as illustrated (Fig. 29). Pronotum 1.5 times as wide as long. MALE. tergite 8 truncate apically with one small median lobe (Fig. 194); sternite 8 rounded apically (Fig. 195). Median lobe of aedeagus with long and narrow tubus bearing thin apical projection directed anteriad (Fig. 192), apical projection of internal sac short and terminated with multiple coiled and everted flagellum (Fig. 192). Paramere as illustrated (Fig. 193). FEMALE. Tergite 8 truncated apically (Fig. 197); sternite 8 broadly rounded apically (Fig. 198); spermatheca as illustrated (Fig. 196).  Bionomics. Macrohabitat:hardwood forest, mixed forest. Microhabitat:on  Pleurotussp., growing on logs, on fleshy polypore mushroom growing on a log, on  Polyporus arculariusBat. ex Fr.on trunk of dead hardwood, on slightly decayed polypore on log, on gilled mushroom growing on a log. Collecting period:June, August, and September. Collecting method: sifting mushrooms, aspirating and hand collecting specimens.   Distribution(Map 25). CANADA:  New Brunswickand Quebec; UNITED STATES: Alabama, District of Columbia, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Massachusetts, Michigan, Missouri, New Jersey, New York, Ohio, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, West Virginia, and Wisconsin.