326 BULLETIN 31, UNITED STATES NATIONAL MUSEUM. 



PLATE XII. 



1. SYiUTTA PiPiKNS Linnd, wing; la, biud leg of male; 16, head of male; Ic, the 



same, front view. 



2. MiLESiA ORNATA Fabr., wing; 2a, bind leg. 



3. Spilomyia quadrifasciata Say, bead of male. 



4. Spilomyia interrupta Will., male. 



5. Spilomyia fusca Loew, antenna (tbe tbird joint is a little too much rounded). 



6. Temnostoma bombylans Fabr., male. 



7. Temnostoma alterxans Loew, head of female. 



8. Sphecomyta Pattoni Will., bead of male; 7a, wing. 



