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Ametallon sculpturatum Hansson, first gastral tergite in female, arrows point at sharp anterodorsal margin

Ametallon oratum Hansson, base of gaster, paratype female

Ametallon sculpturatum Hansson, paratype female

Ametallon oratum Hansson, paratype female

Ametallon sculpturatum Hansson, head frontal, paratype female

Author, year, journal with original description

Ashmead, W.H., 1904, Memoirs of the Carnegie Museum, 1:344

Type species

Ametallon chapadae Ashmead (lectotype female in the United States National Museum of Natural History, Washington, D.C.)

Synonym names



Clypeus delimited by a groove laterally and dorsally; female gaster with first tergite dorsally sharply margined anterolaterally, and with strong reticulation below margin; supracoxal flanges more or less enlarged and membranous; forewing with long admarginal setae; species are usually non-metallic yellow or brown

Number of species




Neotropical region: Brazil, Colombia, Costa Rica, Dominican Republic, Guatemala, Mexico, U.S.A. (southern Florida)


Reared from galls and seeds, presumably as parasitoids on insect larvae


Ashmead, W.H., 1904. Classification of the chalcid flies. Memoirs of the Carnegie Museum, 1:344

Hansson, C. 2004. Eulophidae of Costa Rica, 2. Memoirs of the American Entomological Institute, 75:1-536 (Ametallon is treated on pp. 13-34)