LIST OF DIPTERA. 437 



139. Dasypogon fumiflamma. 



Prolepsis fiimiflamma, Diplera Saundersiana, Pt. 2, 100, pi. 3, f. 6. 

 Brazil. 



Group 2. 



Mas. Corpus mediocre, sublineare, fere nudum. Caput tho- 

 race uon latius ; facies convexa. Mystax ravus, setis nonnuUis 

 apud peristoma. Antennae breves, graciles ; articulus ins linearis; 

 2us subclavatus, lo vix brevior; 3us lanceolatus, lo et 2o con- 

 junctim a&qualis. Abdomen cylindricum. Sexualia parva. Pedes 

 gracilis; femora et tibiae vix setosa ; tarsi longi ; ungues et onychia 

 parva. 



Male. Eyes convex, except a very small part in front, which 

 is flat and composed of large facets. Forks of the cubital vein 

 nearly straight, their base a little nearer than the tip of the discal 

 areolet to the tip of the wing. First and second externo-medial 

 veins proceeding direct to the border ; third inclined towards the 

 fourth, but at some distance i'rom it on the border. Subanal nearly 

 connected with the anal on the border. 



140. Dasypogon tripartitus. 



Mas. Cervinus ; caput subhis nigrum; antenna et pedes fnlva ; 

 thorax vittis tribus latis fvscis ; abdomen nigricans, apicem 

 versus rufum ; alee cinerecB. 



Male. Fawn colour. Head shining, black beneath. Mystax 

 with whitish spines. Proboscis black. Palpi and antennae tawny. 

 Thorax with three broad brown stripes; side pair shortened in front. 

 Abdomen blackish, hoary beneath and on each side; apical third 

 part red. [.egs tawny; tibia with a few minute white bristles; 

 ungues black. Wings gray ; veins black, tawny at the base. Hal- 

 teres pale testaceous. I^ength of the body 3^ lines ; of the wings 7 

 lines. 



In one wing of the specimen described the veinlet between the 

 cubital vein and the first externo-medial is double. 



a. Santarem, Brazil. From Mr. Bates' collection. 



