268 INSECTA SAUNDERSIANA. 



Tachina vahia, Mas et Fem. 



Ftisca (mas) vel Jlavo-fusca ((em.) ; caput iem. fulvum, antice albidum ; 

 antenna nigra basi ferruginete ; thorax fem. nigro qundrivittatus ; 

 ahdoynen ferrugineum (mas) vel fusco-fulvum nigro fasviatiim (fem.); 

 pedes futvi (mas) vel ferruginei (km.) ; alce/uscce albido notatce. 



Body thickly beset with black spines : head taivny, whitish in front, 

 where it is thinly covered with black hairs, clothed with white hairs 

 beneath ; sides of the epistoma beset with black bristles : proboscis black, 

 ferruginous towards the tip : feelers black ; first and second joints ferru- 

 ginous ; third almost linear, rounded at the tip, longer and a little deeper 

 than the second : chest yelloivish broivn, with four very slender black stripes : 

 abdomen brownish tawny, with a black dorsal stripe which is widened at the 

 base of each segment ; sutures black : legs ferruginous ; feet black : vAngs 

 brotvn, black at the base, with some whitish streaks in the disk adjoining 

 the cross-veins %vhich are clouded ivith black. 



Male. Head and chest dark brown ; face and epistoma pitchy, ferru- 

 ginous on each side: abdomen ferruginous : legs tawny : whitish marks on 

 the wings very slight. 



Length of the body 5 — 8 lines ; of the wings 12 — 14 lines. 



Columbia. 



Tachina caliginosa. 



Ferruginea ; caput canum 7iigro vittatum, antice et subtus albidum ; 

 thorax cinereus vittis septem nigris : tarsi nigri ; alee fuscce. 



Head hoary, with a black stripe which widens from the hind border to 

 the base of the feelers ; fore part and under side whitish ; proboscis ferru- 

 ginous : palpi tawny : feelers black ; third joint linear, a little longer than 

 the second : chest gray with seven indistinct black stripes : breast, scutcheon, 

 abdomen and legs ferruginous : feet black : rcings and alulte dark broum ; 

 praebrachial vein curved inward a little beyond its flexure ; lower cross- 

 vein slightly waved. Length of the body 6^ lines ; of the wings 14 lines. 



Brazil. 



