TY - JOUR T1 - The postabdomen of male acalyptrate Diptera JF - Annals of the entomological Society of America Y1 - 1957 A1 - Steyskal, G. C. SP - 66 EP - 73 KW - Coelopidae KW - Conopidae KW - Dryomyzidae KW - male terminalia KW - Rhinotoridae KW - Rhopalomeridae KW - Sciomyzidae VL - 50 ER -