244 CHARLES W. JOHNSON. 



thirds of the fourth, and one occupying the medial third of the fifth segment 

 yellow ; venter yellow ; all the segments with a hasal band of black, the first 

 segment also has a posterior band. Femora brownish black ; tibiae and tarsi red- 

 dish, terminal half of the tarsi brownish; anterior half of the wings yellowish, 

 the outer portion of this with a Itrownish tinge. 



9 . — Face and front black, with yellowish white pile ; facial and frontal orbits, 

 two spots above, and two below the base of the antenme and occiput, yellow- 

 Thorax black, pubescence yellow; humeri, a narrow, raised, lateral line that 

 divides the dorsum from the pleurae, and the posterior angles yellow; scutellum 

 and spines yellow, discal portion of the scutellum and tips of spines, brown. 



Orizaba, Mex. (Prof. Bruuer); Tehuaiitepec (collection C. V. 

 Riley, U. S. National Museum) ; Panama (Mus. Comp. Zool.) ; San 

 Geronimo, Guatemala (Chan)pion) ; (iOOO to 7000 feet Irazu Costa 

 Rica (Rogers) ; Cayenne ; Brazil. 



Stratioiiiyia constaus Loew (PI. iv, figs. 1, 2). 

 f^tratiomi/iu consfans Ijoew, Centur. x, 8. 



Length %, 9 9 mm.; wings 7 mm. %. — Face black, with silvery white pile; 

 a small s]iot on each side of the facial protruberance, a spot on the orbits and the 

 lower part of the occiput yellow ; oral margin more or less brownish : proboscis 

 black, base brown, first and second joints of the anteunse red. tips of the fir.st 

 and the third joints black. Thorax black, whitish pubescence ; pleurae and pectus 

 with silvery white pile; humeri, a spot forward of the suture and the posterior 

 angle, yellow ; pleurae with an irregular spot on the prothorax, a smaller one on 

 the mesothorax and me tathorax, yellow; scutellum yellow; spines red. Abdo 

 men black, with whitish pubescence (silvery in certain lights), and marked with 

 yellow, as follows: second segment with subtriangular markings at the lateral 

 posterior angle ; third with a wide posterior band (in one specimen narrowly in 

 terrupted) : fourth with a narrow posterior band (which is broadly interrupted 

 in one specimen) ; all the segments with a narrow lateral margin ; venter greenish 

 yellow, with silvery white pubescence ; first segment with two spots and a narrow 

 posterior margin of black ; second, third, fourth and fifth, with an anterior band 

 of black, laterally attenuated, but not quite reaching the lateral margin; the 

 band on th*' second segment is usually interrupted. Legs uniform red ; anterior 

 third of the wing dark brown ; veins reddish, the remainder of the wing brownish 

 hyaline. 



9. — Face, front, vertex and occiput yellow; with yellowish pubescence; oral 

 margin and a line extending from there to the orbits brownish black ; base of the 

 antennae surrounded by black, from which extends a central line to the facial 

 prominence, and one on each side midway between the facial line and the orbits; 

 narrowly connected above with the sqaare black marking on the front and vertex ; 

 vertical orbits brownish, and connected with the black of the vertex. Thorax 

 black : humeri, a lateral stripe extending to the suture ; posterior angle, scutellum 

 and pleurae, yellow ; the lateral stripe and pleurae narrowly divided by a promi- 

 nent dorso-pleural suture; the posterior margin of the third and fourth segments 

 continuous; prominent and of uniform vvidth. 



Blanco County, Texas. 



