L. labiata Stokes, 1887

Lagenophrys labiata Stokes 1887: 40; Stokes 1888: 262-263; von Ubisch 1913: 43; Keiser 1921: 286; Abonyi

1928: 9, 18; Swarczewsky 1930: 458; Kahl 1935: 796.

Museum Depositions. USNM. 42316, 42317 Neotypes; 42318, 42319, 42320.

Habitat. Freshwater, brackish.

Distribution. BR: Nearctic, Palaearctic (Mayén-Estrada &Aguilar-Aguilar 2012).

Poland: Streams in the vicinity of Poznan.

USA: Michigan, Ottawa Co., 8.0 km S Grandhaven, slough at Lakeshore Drive (42°59'30.04"N, 86°13'11.53"W); Ottawa Co., 3.8 km W West Olive, mouth of Pigeon R. (42°54'3.64"N, 86°11'1.43"W). New Jersey, Mercer Co., near Trenton (40°12'17.84"N, 74°46'1.66"W); Monmouth Co., Brielle, Silver Fox Forge Pond (40°6'15.34"N, 74°3'4.31"W). New York, Cayuga Co., Fair Haven Beach State Park, The Pond (43°20'2.55"N, 76°41'31.16"W); Oswego Co., 8.5 km WSW Sandy Creek center, Sandy Pond (North Pond) at Ouderkirk Rd. (43°37'54.58"N, 76°11'17.70"W); Oswego Co., 4.5 km SSW West Monroe, Oneida Lake at Shaw's Point (43°14'42.92"N, 76° 5'34.37"W). North Carolina, Tyrrell Co., 5.9 km NW Columbia, Scuppernong R. at River Neck (35°57'31.10"N, 76°17'27.75"W); Tyrrell Co., Alligator Cr. at Fort Landing (35°54'52.06"N, 76°1'28.32"W); Washington Co., Albemarle Beach, Albemarle Sound at end SR 1323 (35°56'10.74"N, 76°38'27.99"W).

Hosts. Poznan: Gammarus fossarum Koch. USA: Crangonyx gracilis S. I. Smith, Gammarus daiberi Bousfield,

Gammarus fasciatus Say, Gammarus tigrinus, Gammarus sp. (surface of carapace and appendages and body).

References. Piezik 1975; Clamp 1990a; Fernandez-Leborans & Tato-Porto 2000.