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transversa Hansson

Emersonella transversa Hansson, antenna lateral, female.

Emersonella transversa Hansson, antenna lateral, male.

Emersonella transversa Hansson, head frontal, female.

Emersonella transversa Hansson, vertex, female.

Emersonella transversa Hansson, thoracic dorsum, female.

Original description

Hansson, C. 2002. Eulophidae of Costa Rica, 1. Memoirs of the American Entomological Institute, 67:61.




Head transverse (0.6-0.7X as high as wide); malar sulcus missing; thoracic dorsum flat; pronotum reduced and hardly visible in dorsal view; scutellum 0.7X as long as wide; mid and hind coxae yellowish-white; median 1/3 of fore wing infuscate. Very similar to mediofasciata, but differs in having mid and hind coxae pale non-metallic, and head more transverse. Also similar to ampliojo but with head transverse and with a longer distance between eyes at the level of frontal suture, malar sulcus missing, pronotal carina present (but very weak), scutellum slightly wider, median 1/3 of fore wing infuscate, without groove along anterior margin of propodeum; mid and hind coxae pale non metallic.


Costa Rica.




Depository of primary type

Holotype female in Natural History Museum (BMNH), London, England.