nana nana (Fallén), 1820: 15

( Sciomyza) [Johnson 1925: 250]

ST: 1♂ 1♀ Sweden, Esperöd. NHRS, unnumbered

DIST: MEXICO (Baja California; Ciudad de México; Puebla: Huachinango; Tamaulipas). Also CANADA and UNITED STATES. The nominate subspecies, Ph. nana reticulata (Thomson), occurs throughout Europe. Map: Bratt et al. 1969

FIGS: Wulp 1897 (wing), Cresson 1920 (head, wing), Fisher & Orth 1983 (♂ terminalia), Foote et al. 1999 (wing), Foote & Keiper 2004 (habitus, wing), Knutson & Vala 2011 (wing), this paper (dorsal head)

BIOL: Bratt et al. 1969. BG: 2; PG: 1

HOSTS/PREY OF LARVAE: In North America and Europe: freshwater (seven genera) and terrestrial (four genera) pulmonate snails [larvae and puparia in Galba humilis, Gyraulus parvus, Physa sp., and Stagnicola elodes (Bratt et al. 1969)]

IMMATS: Bratt et al. 1969 (E, L1–L3, P)

CHR: Boyes et al. 1969 (karyotype)

MOL_DAT: Y transducta Walker, 1861: 320 ( Sciomyza) [Steyskal 1965b: 686]

HT:? “ United States.” NHMUK, unnumbered