The terminalia of the following four species of Notoschoenomyza Malloch, 1934 are described and illustrated: Notoschoenomyza annulata (Stein, 1911); N. costata Snyder, 1957; N. immaculata (Walker, 1836); N. spinicosta (Stein, 1904).
Morphology; Notoschoenomyza annulata; Notoschoenomyza costata; Notoschoenomyza immaculata; Notoschoenomyza spinicosta