Author Affiliations +
David R. Smith,1 José Irving Monjarás-Barrera,2 José Cupertino Aguilar-Hernández,2 Héctor Quiñones-Dena2
1(DRS) Systematic Entomology Laboratory, Agricultural Research Service, c/o National Museum of Natural History, Smithsonian Institution, P.O. Box 37012, MRC 168, Washington, DC 20013-7012, USA (e-mail: ) sawfly2@aol.com
2(JIM-B, JCA-H, HQ-D) Universidad Autónoma Agraria Antonio Narro, Departamento de Parasitología, Calzada Antonio Narro #1923, Col. Buenavista, Saltillo, Coahuila,México C.P 25315 (e-mail: ; ; email: ). Irving_032@hotmail.com che_1703@hotmail.com hecto