38 Prof, Charles P. Alexander on 



Holotifpe, S, San Bernardino (Fiehrig); on leaves in 

 Avoods. 



Type in the collection of the Vienna Museum. 



Erioptera winthemi, sp. n. 



General coloration ashy grey, the mesonotal praescutum w-ith 

 thi-ee indistinct brown stripes; wings subhyalrne with three broad 

 cross- bands that appear as pale washes; cell 1st M2 open by the 

 atrophy of m. 



Female. — Length about 5-3 mm. ; wing 5-7 mm. 



Rostrum and palpi bro-\vn. Antennae with the first scapal 

 segment dark, the flagellum bright brown. Head ashy grey. 



Mesonotal praescutum ashy grey with three more or less con- 

 fluent, indistinct browTi stripes, the broad median stripe evanescent 

 anteriorly; pseudosutural foveae conspicuous, elongate, black; 

 remainder of mesonotum light ashy grey. Pleura ashy grey. 

 Halteres broken. Legs with the coxae brown, pruinose ; remainder 

 of the legs dark brown. Wings subhyaline, with three indistinct, 

 broad, brown cross-bands that appear as faint washes; the first 

 of these bands occupies the level of the origin of Rs; the second 

 lies immediately beyond the cord, beginning at the stigma, fading 

 out posteriorly; the last band includes the comparatively narrow 

 wing- tip; these brown washes are produced by the increase in 

 size and density of the microtrichiae at these points; veins dark 

 brown. Venation : Sc2 very faint to almost lacking ; i?2 + 3 and 

 deflection of i?4 + 5 subequal ; r on R2 a. little more than its 

 length beyond the fork; cell 1st M2 open by the atrophy of m; 

 cell 313 very deep ; basal deflection of Cul immediately before the 

 fork of 31; vein 2nd A straight. 



Abdomen dark brown, the ovijiositor and genital segment reddish 

 horn-colour. Tergal valves of ovipositor powerful, slightly up- 

 curved to the acute tips. 



Hab. Brazil. 



Holoty2)e, $, Ex the Winthem Collection. 



Type in the collection of the Vienna Museum. 



Molophilus quadristylus, sp. n. 



General coloration dark bro^vn ; antennae of the male not elongate ; 

 wings v/ith a brown tinge; male hypopygium with four apparent 

 ventral ajjpendages, these elongate, stylet-like, straight or gently 

 sinuous. 



3Iale. — Length about 3'3 mm. ; wing about 4-3 mm. 



