J. Itämies & J. Karvonen 1994: The Female of Rhigognostis sibirica (Lepidoptera, Plutellidae). - Entomologica Fennica 5: 197-200.
The female of Rhigognostis sibirica Kyrki, 1989, is described. Habitually it is similar to the male. The genitalia are characterized by two signa and a narrow elongated antrum. A key to the identification of female Rhigognostis species on the basis of genitalia is given. R. sibirica is reported as new for the American continent.