DIPTERA. •>85 



antenruB ferruginous ; third joint nearly twice the length of the second, 

 almost linear, not reaching the epistoma, slightly decreasing in breadth 

 from the base to the tip which is rounded ; bristle pitchy, stout, bare, very 

 much longer than the third joint: chest gray, with four slender black 

 stripes ; sides and scutcheon ferruginous : abdomen deep black, tip gray : 

 wings brown, ferruginous at the base ; prEBbrachial vein forming an obtuse 

 angle at its flexure, slightly curved from thence to its tip. Length of the 

 body 6 lines ; of the wings 14 lines. 



Brazil. 



lACHINA CONTERMINA, Jem. ^J 



Nigra; caput ferrugineum, antice luteum ; thorax cinereus, nigra quad- 

 rivittatus ; abdomen atrum, apice cinereum ; antennce picece, basi ferru- 

 ginecB ; alafuscce, basi ferrugineee. 



Black : head ferruginous : stemmatic part and sides of the frontal 

 region pitchy : face luteous : feelers pitchy ; first and second joints partly 

 ferruginous ; third a little more than twice the length of the second : chest 

 gray, with four slender black stripes : abdomen deep black ivith a gray tip. 

 Length of the body 6 lines ; of the wings 14 lines. 



a. South America. 



Tachina basahs. Tl^' rT- ,b. '^^^^ ^ ^ ■ 



Cinereus; thorax nigra quadriiyittatus ; abdomen nigrum, apice canum; 

 antenna; picea, basi ferruginece ; ala fuscce, basi subluridce. 



Black : head tinged tvith gray ; frontalia ferruginous ; face white : 

 facialia beset with bristles which extend about two-thirds of the length : 

 feelers pitchy ; first and second joints partly ferruginous ; third full twice 

 the length of the second : chest gray with four slender black stripes ; 

 scutcheon pitchy : abdomen with a hoary tip : goings brown, darker and tvith 

 a lurid tinge toivards the base which is ferruginous. 



Fem..^ Front and frontiilia black, with a hoary tinge ; facialia beset 

 with bristles which hardly extend along half the length : abdomen with a 

 dark gray band near the tip. 



Length of the body 7 — 8 lines; of the wings 17 — 18 lines. 



South America. 



2 p 



