Jansen González, S., Rojas Barrantes, M., Ramírez Valerio, D., Constantino, M., García Jiménez, F. C., & Hanson Snortum, P. E. (2019). Another species of Quadrastichus (Hymenopera; Eulophidae; Tetrastichinae) attacking Erythrina (Fabaceae) in the Neotropics: A report from Costa Rica.

Jansen González, Sergio, Mainor Rojas Barrantes, Daniel Ramírez Valerio, Miguel Constantino, Fiorella Cristina García Jiménez, و Paul E. Hanson Snortum. Another Species of Quadrastichus (Hymenopera; Eulophidae; Tetrastichinae) Attacking Erythrina (Fabaceae) in the Neotropics: A Report From Costa Rica. 2019.

Jansen González, Sergio, et al. Another Species of Quadrastichus (Hymenopera; Eulophidae; Tetrastichinae) Attacking Erythrina (Fabaceae) in the Neotropics: A Report From Costa Rica. 2019.