6.50 



LIST OF DIPTEBA. 



West Indies. 



7. Proctacanthus rufiventris. 



Castaneus ; thorax nigra trivittatus ; abdomen rubidum, basi 

 nigrum ; pedes testacei, tarsis yosticis nigris ; alee fusco-Jlavce. 



Proctacanthus rufiventris, Macq. Dipt. Exot. i. 2, 123, 5, pi. 10, 

 f. 2. 



St. Domingo. Honduras. 



South America. 



A. Thorax niger. 



A. Abdomen nigrum apice album. 



B. Abdomen fulvum. - 



B. Thorax cinereus. 



A. Abdomen rufum. .... 



B. Abdomen cinereum. 



A. Antennae testaceae. - - - - 



B. Antennae nigra. - 



C. Thorax cinereus, vittis ferruginosis. 



D. Thorax canus. - 



E. Thorax pallidus, vittis nigris. 



A. Abdomen plus minusve nigrum. 



a. Alse fuscanae. - 



b. Alas flavae. ----- 



B. Abdomen totum pallidum. 



a. Abdomen fulvum. Alse subfulvee. 



b. Abdomen fuscum. Alee fuses. 



F. Thorax ferrugineus, vittis tribus pallidioribus 



barbatns, Fabr. 

 Antidomus, Walk. 



Coprates, Walk. 



rubricornis, Macq. 



mystaceus, Macq. 



macrotelus, Walk. 



vetustus, Walk. 



aurolineatus, Macq. 

 flavipennis, Macq. 



Daraps, Walk. 



- Hagno, Walk. 



basifascia, Walk. 



Group I. 



Mas. Corpus magnum, dense pubescens. Caput subtus den- 

 sissime pilosum. Facies parura convexa. Mystax parce setosus, 

 antennas attingens. Proboscis crassa. Antennarum articulus lus 

 2o plus duplo longior ; 3us lanceolatus, lo aequalis ; arista lo fere 

 duplo longior. Thoracis latera parce setosa. Scutellum et abdomen, 

 basi dense pilosa. Abdomen alas vix superans. Sexualia magna. 

 Pedes validi, setosi, dense pubescentes. 



Radial vein as usual. Cubital forked at half its length ; forks 

 very slightly curved, nearly parallel to each other, near together for 

 one-fourth of the length from the base, more remote from thence to 

 the tips ; first externo-medial vein curved near the base ; second 



