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Emersonella desantisi Hansson, antenna female

Emersonella transversa Hansson, arrows point at longitudinal median carina on metanotum

Emersonella planiceps Hansson, non-type female

Emersonella planiceps Hansson, thoracic dorsum, non-type female

Emersonella planiscuta Hansson, head frontal, non-type female

Emersonella genaora Hansson, paratype female

Emersonella janzeni Hansson, paratype female

Emersonella mediofasciata Hansson, paratype female

Emersonella metallica Hansson, paratype female

Author, year, journal with original description

Girault, A.A., 1916, Societas Entomologica, 31:35

Type species

Emersonella lemae Girault (lectotype female in the United States National Museum of Natural History, Washington, D.C.)

Synonym names

Testudicida De Santis


Antenna with all flagellomeres distinctly separated; male scape with sensory area confined to apicoventral part; antennal scrobes distinct and narrow, joining below frontal suture; frontal suture situated high up on frons, straight or slightly down-curved laterally; propodeum usually with short longitudinal grooves along anterior margin; metanotum with a complete longitudinal carina medially

Number of species




Nearctic and Neotropical regions, with the majority of species in the Neotropical region


Egg parasitoids of Chrysomelidae and Curculionidae (Coleoptera)


Girault, A.A., 1916. Notes on described chalcidoid Hymenoptera with new genera and species. Societas Entomologica, 31:35-38

Hansson, C. 2002. Eulophidae of Costa Rica, 1. Memoirs of the American Entomological Institute, 67:1-290 (Emersonella is treated on pp. 21-81)