OF WASHINGTON. 175 



marginal and of the posterior cells, last two sections of fifth vein of nearly 

 an equal length. Length 3.5 mm. 



Brownsville, Texas. A male specimen collected in May by 

 Mr. C. H. T. Townsend. 



Type. No. 8019, U. S. National Museum. 



Phthiria picturata, n. sp. 



Yellow, the antennae, mouth parts, center of occiput prolonged as a vitta 

 over the ocelli and as far as the antennae, the sides of the oral opening 

 narrowly, three vittae on the mesonotum (the median one abbreviated 

 posteriorly and greatly dilated anteriorly, the lateral ones abbreviated 

 anteriorly and emarginate on the outer edge near the transverse suture), 

 a small spot above each wing, several on the pleura, the metanotum, bases 

 of the abdominal segments, and the legs except the coxae and median por 

 tion of the middle femora, black. Head and body polished, hairs of head, 

 many on the mesonotum and those of the scutellum, black, hairs of cheeks 

 very sparse and bristle-like. First two joints of antennae of nearly an 

 equal length, the second wider than long, the third narrow and almost 

 linear, about four times as long as the first two, emarginate at the apex; 

 proboscis nearly four times as long as the head, palpi narrow, about one- 

 fifth as long as the proboscis. Wings hyaline, stigma 'grayish, last two 

 sections of fifth vein of nearly an equal length. Length 3 mm. 



Pecos, N. M., August 25, and Mescalero, N. M. Two females 

 collected by Prof. T. D. A. Cockerell. 



Type. No. 8020, U. S. National Museum. 



Phthiria flaveola, n. sp. 



Yellow, the proboscis except at base, black, apices of antennae and of 

 tarsi brown, mesonotum except the sides and a spot in middle of the pos 

 terior end, yellowish brown, extreme bases of many of the abdominal 

 segments also yellowish brown, the hairs yellowish. Head and body 

 opaque, mesonotum thinly gray pruinose. Cheeks nearly bare, first two 

 joints of antennae of nearly an equal width, each wider than long, the third 

 about four times as long as the first two, considerably tapering on the 

 apical half, the narrow apex emarginate; proboscis slightly over twice as 

 long as the head, palpi slender, considerably enlarged toward the apex, 

 about one-fifth as long as the proboscis. Wings hyaline, stigma grayish, 

 last two sections of fifth vein of nearly an equal length. Length 3.5 mm. 



San Marcial, New Mexico (T. D. A. Cockerell) ; Merced 

 Co.. Cal. (D. W. Coquillett). Two female specimens. 

 Type.- No. 8021, U. S. National Museum. 



Phthiria amplicella, n. sp. 



Head yellow, ocellar triangle and occiput except its lower edge black, 

 the hairs whitish, those of the cheeks rather long and quite abundant; 

 antennas yellow, the third joint except at the base brown, first joint 



