Yxursis OF \ EOT nor UAL LtM.\oui\.i;—.[[j:xAM)i:h'. 519 



Male. — Length, 2.3 mm; wiug, 2.9 mm. 



Female. — Length, 2.2-3.4 mm.; wing, 3.9-4 mm. 



Head: rostrum and palpi browni; antennae, two basal segments 

 dark brown, flagellum brown with pale, hairs; front and vertex 

 brown, tlie caudal portion of the vertex and the occiput dull yellow. 



Thorax: pronotuni light j-ellow above, on sides deep brownish- 

 black forming a U-shaped mark around the scutum. Mesonotum: 

 extreme lateral edges of tlie pra^scutum pale wliite, pale median 

 stripe rather broad, grayisIi-ycUow, pale lateral stripes, strongly 

 tinged with brown, the usual brown stripes, broad, distinct; scutum 

 bromush-yellow with four brown stripes; scutellum pale; post- 

 notum pale, darker caudad. Tuberculate pits dark brown, sepa- 

 rated from one another by a distance equal to from one and one-half 

 to two times the diameter of either. Pseudosuture rather deep, 

 elongate, l)roadest at the proximal end, pale brown. Pleurae with 

 distinct alternate dark and pale stripes, there being three brown and 

 two pale, the second pale band is broad, silveiy wliite; sternum dull 

 gray. Halteres pale, knob brown. Legs: coxa grayish; trochanter 

 yellow; femora dark 3"ellow with a narrow brown subapical rmg; 

 tibia? and tarsi yellow, the tai-sal segments 3 to .5 darker, bro\vnish. 



Wings: hyaline unmarked; veins brown; costa more yellowish; 

 an indication of darker along vehi Cu. (See fig. 20.) 



Abdomen: tergum dark brown, with no distinct darker median 

 stripe; sternum browii. 



Hahifrit.—Hohtype.—yhilc, Bluefield, Nicaragua. November, 1900 

 (L. A. Wailes). Allotype. — Female, Cordoba, Mexico, December 2.5,' 

 1907 (F. Kuab). Paratypes. — One female, one male, Aguna, Guate- 

 mala (D. G. Eisen); one female, Cordoba, Mexico, December 23. 1907 

 (F. Knab). 



Type. — In U. S. National Museum collection (No. 14926). 



The Guatemalan specimens are very small, but undoubtedly belong 

 to the same species. 



ERIOPTERA (MESOCYPHONA) BICINCTIPES. new species. 



Resembles E. immaculata of Mexico and Ci-ntral America in its 

 unspotted wings. It differs as follows: Flagellum of the antennae 

 much lighter colored (yellow) than the brown scape. Thorax: 

 pronotum hght colored (wliitish) with a V-shaped mark on the 

 scutum, very conspicuous. I\Iesonotum: yellowish, brown stripes 

 not clear cut. Femora with the usual subapical brown band and with 

 a subequal post-median band, this latter marking less strongly 

 indicated on tlie forelegs. 



Ten specimens, one male, nine females. 



