To our knowledge, Philolema latrodecti (Fullaway, 1953) (Hymenoptera: Eurytomidae) is recorded for the first time in Mexico parasitizing an egg sac of the widow spider Latrodectus mactans (Fabricius, 1775) (Araneae: Theridiidae).
Se registra por primera vez para México la avispa parasitoide Philolema latrodecti (Fullaway, 1953) (Hymenoptera: Eurytomidae), parasitando un saco de huevos de la araña viuda Latrodectus mactans (Fabricius, 1775) (Araneae: Theridiidae).
