304 INSECTA SAUNDEllSIANA. 



Stout at the base, about twice the length of the third : chest ivith a hoary 

 covering tvhich is interrupted by four black stripes : abdomen obconical, not 

 longer than tlie chest, tvith hoary reflections : loings gray, broivnish beneath 

 the fore border and along the veins ; veins black ; prsbrachial vein form- 

 ing a very obtuse angle at its flexure, almost straight from thence to 

 the tip ; lower cross-vein slightly bent inward near the base : alulae 

 white, with pale yellow borders : halteres pitchy. Length of the body 

 3f lines ; of the wings 7^ lines. 



Brazil. 



Tachina atratula, Fem. 



Nigra ; caput argenteum ; abdomen subargentatum ; antenna nigra ; 

 pedes picei ; ala subcinerea, basi flavo-fusca. 



Black, clothed with black hairs and bristles : head with a silvery ivhite 

 covering, ferruginous in front, clothed beneath with gray hairs ; frontalia 

 deep black, very slightly widening from the eyelets to the feelers -. eyes 

 hairy ; facets in front a little larger than those elsewhere : mouth black, 

 with a ferruginous tip ; palpi ferruginous, black towards the base ; feelers 

 black ; third joint linear, about four times the length of the second, almost 

 reaching the epistoma ; sixth pubescent for half the length from the base : 

 chest striped? abdomen with silvery reflections on the fore borders of the 

 segments : legs pitchy : wings slightly gray, yelloivish brovm towards the 

 base ; veins black, tawny at the base ; praebrachial vein forming a very 

 obtuse angle at its flexure, straight from thence to its tip ; lower cross-vein 

 with two very slight curves, the lower inward, the upper outward : alulee 

 dingy white with pale yellow borders : halteres ferruginous. Length of 

 the body 3^ lines ; of the wings 7 lines. 



Brazil. 



Tachina ruficoenis, Fem. 



CyaneO'Viridis ; caput argenteum ; antenna rufa, artieulo 3o supra 

 piceo ; abdomen purpurea varium ; pedes nigri ; ala subcinerea. 



Bright bluish-green : head ivith a silvery white covering, testaceous in 

 front, clothed behind and beneath with white hairs ; frontalia pitchy, 

 slightly widening from the eyelets to the feelers ; antennaria tawny ; sides 



