Genus DIOXYNA Frey

Dioxyna Frey, 1945: 62 . Type species: Trypeta sororcula Wiedemann, 1830, original designation.

Dioxyna sororcula (Wiedemann, 1830)

Trypeta sororcula Wiedemann, 1830: 509 . Unspecified type. Canary Is. (Teneriffa [= Tenerife]) (NHMW, Holotype probably lost).

Ensina vacillans Wollaston, 1858: 117 . Syntypes. Portugal (Madeira: near Funchal) (BMNH).

Acinia valida Wollaston, 1858: 116 . Syntypes. Portugal (Madeira: Porto Santo & "the two southern Dezertas ") (BMNH).

Leptomyza variipennis Wulp, 1897: 143 . Holotype. Sri Lanka (Kandy) (MNM? or RMNH?, see Norrbom et al. 1999).

Ensina bisetosa Enderlein 1911: 455 . Lectotype. Taiwan ( Takao) (PAN).

Ensina bisetosa var. nigrinotum Enderlein, 1911: 456 . Holotype. Taiwan ( Takao) (PAN).

Paroxyna sororcula f. madeirensis Lindner, 1928: 30. Syntypes. Portugal (Madeira: nr. Funchal) (SMNS).

Paroxyna seguyi Zia, 1939: 12 . Lectotype. China (Guangxi:

Yangso [= Yangshuo]) (IZAS).

Distribution. AF, AU, NT, NE, OR, PA: Widespread over Tropics and Subtropics of the world, Japan, Australia, s. Europe, Korea. Throughout new world from southern Canada to Chile; India; Hawaii (introduced). Egyptian localities. Coastal Strip: Abu Qir, Alexandria, Mariout, Salloum. Eastern Desert: Ismailiya, Wadi Um Elek. Gebel Elba:?. Fayoum:?. Lower Nile Valley and Delta: Abu Rawash, Cairo, Ezbet El-Nakhl, Helwan, Maadi, Shubra.

Host plants. Black-jack ( Bidens pilosa L.). Source: Freidberg & Kugler (1989).

Dates of collection. Throughout the year.