378 LIST OF DIPTERA. 



united again by a veinlet whose anple unites the second extcrnn- 

 niedial. Fonrth externo-inedial and subanal springing from a 

 common petiole at rather before half the length of the wing. Fourth 

 externo-medial forming near its base an angle, where it is united 

 by a veinlet with the third extemo-medial. Subanal joining the 

 anal at its tip. Discal areolet long, narrow, nearly pentagonal, 

 very slightly widening outward. 



North America. 



1. CeRaTCRGUS FASCIATDS. 



Ceraturgus fasciatus, Cat. of Diplera, Pi 2, 367. 



2. Ceraturgus aurulestus. 



Auratux ; thorax vittis tribtut nipris ; abdominis segmenta basi 

 nigra; -pedex fiain ; alee limpidce. 



Dasypogon aMrulentus, Fabr. Sj/st. Antl. 166, 11. JVied. Anal. 



Entom. 12; Dipt. ExM. \. 228, 26. 

 Ceraturgus aurulentus, IVied. Auss. Zweijl. i. 414, 1, pi. 3, f. 5. 



New York. 



Mexico. 

 3. Ceraturgus Niger. 



Niger ; abdominis segmenta albo maculata ; pedes fulvi, tarsorum 

 articulis apice, tibiisque nigris ; aLe Jiavescentes. 



Ceraturgus niger, Macq. Dipt. Exot. i. 2, 26, pi. 2, f. 1. 



4. Ceraturgus rcfipennis. 



Poem. Aureo-lomentom ; abdomen nigrum, fasciis aureis inter- 

 ruptis, apice teslaceum ; pedes testncei ; ahe fulv<e, apice sub- 

 fuscfc. 



Ceraturgus lufipennis, Macq. Dipt. Exot. Suppl. 2, 32,2. 



Country unknown. 



5. Ceraturgus? Andocides. 

 Ceraturgus? Andocides, Cat. of Diptera, Pt. 2, 367. 



