plumosa Loew, 1847: 201
HT: ♀ United States, Alaska, Sitka, Kolenati. MCZC, No. MCZT_13221 [examined by Steyskal 1966: 445 and by LK in 1997 and 1999]
DIST: MEXICO (Durango). VENEZUELA (?) (Distrito Capital). Also CANADA and UNITED STATES. Map: Foote 2011
FIGS: Steyskal 1938, 1959 (as T. nanciae) (♂ terminalia), Fisher & Orth 1983 (habitus, head, ♂ terminalia; ♀ sternites), Foote et al. 1999 (♂ terminalia), Foote & Keiper 2004 (♂ terminalia), this paper (habitus, lateral head, mid femur)
BIOL: Foote 2011. BG: 2 and 11; PG: 4
HOSTS/PREY OF LARVAE: In North America: Catinella avara, Gyraulus sp., Helisoma sp., Planorbula armigera, and Stagnicola elodes . Foote 2011
IMMATS: Foote 2013 (L3, P)
CHR: Boyes et al. 1969 (karyotype)
MOL_DAT: Y
plumifera Wulp, 1897: 359 [Steyskal 1966: 448 “The male type of this species is very close to T. plumosa Loew, 1847, q.v. above. Only examination of the postabdomen [terminalia] will more closely determine its identity.” Knutson et al. 1976: 12 but not stated as new synonymy]
HT: ♂ Mexico, Durango, Ciudad, 2469 m. Forrer. NHMUK, unnumbered [examined by Steyskal 1966: 448 (not including terminalia or genitalia); LK 1977, 1999, 2001, including terminalia and genitalia]. New synonym.
vicina Macquart, Melander 1920: 327 [misidentification of T. plumosa Loew in key, teste Steyskal 1938: 4]
vicina nanciae Brimley, 1925: 75 [Steyskal 1966: 445]
HT: ♂ United States, North Carolina, Bryson City, 24.V.1923, C.S. Brimley. USNM No. 28356 [examined by Steyskal, 1959: 67; examined by LK about 2001 (including genitalia)]
PT: 2♂ United States, North Carolina, Bryson City, 24.V.1923, C.S. Brimley; 1♂ Franklin, North Carolina, 22.V.1923, C.S. Brimley, EDNC