FAMILY HELOMYZID.E 



381 



17. One frontal bristle; eyes very small (3) Eccoptomera Loew 



Two frontals; eyes of moderate size Viatica Garrett 



18. Anterior frontal bristle much shorter than the posterior 19 



Anterior frontal bristle as long as the posterior (Postleria Garrett) 



(7) Neoleria Malloch 



19. Mesopleura wholly bare 20 



Mesopleura with some bristles posteriorly (17, 18) . . . .'^ Anorostoma Lcew 



20. Antennal grooves distinct Schroederella Enderlein 



Antennal grooves not distinctly outlined 21 



21. Antennas separated from each other by about half the width of the 



third antennal segment Morpholeria Garrett 



Antenna separated from each other by more than the width of the 

 third antennal segment (.5) Acantholeria Garrett 



* Czerny, 1927, Konowia. vi, p. 36 ; Curran. 1933. Amer. Mus. Novit. No. 676, pp. 1-9. 



Helomyzidse II. — 13, CEcothea fenestralis; 14, Porsenus johnsoni; I.t, Suillia fuscicornis ; 

 16, Criddleria hemiptera; 17, 18, Anorostoina ciiicreum. 



