288 



XORTH AMERICAX DIPTERA 



Trypaneitho II.- 16, Eurosfina confusa ; 17, Tetieuaresta obscuriventris; IS, Xanthoinyia 

 platyptera; 19, Zonosema; 20, Trypeta f ratria ; 21, Icterica circinata ; 22, Eucosmoptera tetra- 

 spina; 23, Terellia floriscentije ; 24, Epochra canadensis; 25, Stenopa vulnerata; 26, Orellia; 

 27, 28, Myoleja caesio ; 29, Ceratitis capitata. 



