Melanagromyza minimoides Spencer, 1966

Melanagromyza minimoides Spencer, 1966: 13; Spencer, 1973b: 20; Spencer & Stegmaier, 1973: 45; Spencer et al., 1992: 258; Braun et al., 2008: 98; Shi & Gaimari, 2015: 51.

Melanagromyza radicicola, Steyskal, 1980: 40 . Syn. Spencer, 1990: 397.

Diagnosis. Wing length 1.9–2.2 mm. Mesonotum blackish-green, slightly shining; abdomen greenish; females with ovipositor slightly elongated; calypter greyish, margin blackish-brown, fringe-blackish brown. Aedeagus (Fig. 86 and 87 in Spencer & Stegmaier 1973): basiphallus U-shaped, slightly sclerotized; distiphallus elliptic, short, with long apical tubule terminating in a pigmented spot, with a short gap between the basiphallus and the distiphallus; hypandrium with apodeme.

Host-plants. Cucurbitaceae— Cucurbita foetidissima Kunth. Urticaceae— Urtica dioica L.; Asteraceae— Helianthus annuus L., Verbesina encelioides (Cav.) Benth. & Hook. F. ex A. Gray, Verbesina virginica L., Symphyotrichum simmondsii (Small) G.L. Nesom, Borrichia frutescens (L.) DC., Helenium nudiflorum Raf., Melanthera deltoidea Michx., Rudbeckia laciniate L., Bidens gardneri Baker, Tilesia baccata (L.) Pruski, and species of Heliopsis Pers. and Viguiera Kunth (Spencer 1990) .

Distribution. Argentina, Brazil, Guadeloupe, Guyanas, USA, Venezuela.

Material examined. Brazil, Pará state, Salvaterra: 0º47′03.8″S, 48º38′08.8″W, 11-III-93, M.C. Esposito [collector], ex leaves of Asteraceae sp. (9 ♂); same location, 11-III-93, M.C. Esposito [collector], ex leaves of As- teraceae sp. (8 ♀) .

Comments. Melanagromyza minimoides is similar to M. minima; however, these species can be differentiated by the shape of the distiphallus and by the distance between the basiphallus and the distiphallus.