Coronado-Blanco, J.M., Ruíz Cancino, E., & Trjapitzin, V.A. 1998 Nuevo registro de Plagiomerus diaspidis Crawford en Tamaulipas, Mexico, sobre la escama Diaspis echinocacti (Bouche). [New record of Plagiomerus diaspidis Crawford in Tamaulipas, Mexico, on the scale Diaspis echinocacti (Bouche)].. Acta Zoologica Mexicana Nueva Serie No. 75: 203-204.

Notes: The encyrtid Plagiomerus diaspidis is recorded for the first time from Tamaulipas, Mexico. This species was found attacking Diaspis echinocacti on Opuntia engelmannii on 13 February 1998.