Gyrophaena (Gyrophaena) chippewa Seevers, 1951

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, ZooKeys 22 (22), pp. 81-170 : 107-108

15. Gyrophaena (Gyrophaena) chippewa Seevers

Figs 14, 96–99; Map 11

Gyrophaena chippewa Seevers, 1951: 705 ; Moore and Legner 1975: 428.

Description. Body length 2.0– 2.7 mm, narrowly oval; head and pronotum usually rufotestaceous; elytra testaceous to light brown, mottled with small irregular darker spots; abdomen rufo-testaceous, apical portion of abdomen sometimes darker. Punctation: vertex of head with about eight large umbilicate punctures on each side, pronotum with two irregular median rows of large punctures and scattered punctures elsewhere, elytra with fine and dense punctures. Microsculpture: reticulate throughout. Antennae as illustrated (Fig. 14). Pronotum 1.3 times as wide as long. MALE: tergite 8 with two lobe-shaped lateral teeth and one or two small median teeth (Fig. 98); sternite 8 broadly rounded apically (Fig. 99). Medi- an lobe of aedeagus with long tubular and tapering tubus bearing one long ventral projection near crista apicalis (Fig. 96), flagellum slightly projecting from the tip of elongate dorsal projection of internal sac (Fig. 96). Paramere as illustrated (Fig. 97). FEMALE. Unknown.

Map ΙΙ. Collection localities in New Brunswick, Canada of Gyrophaena chippewa

Bionomics. Macrohabitat: mixed forest. Microhabitat: on gilled mushrooms. Collecting period: August. Collecting method: sifting mushrooms and aspirating specimens.

Distribution (Map 11). CANADA: New Brunswick; UNITED STATES: Michigan, North Carolina, and Wisconsin.