in the British Museum. 29 



Erioptera (Erioptera) carissima nitidiuscula, subsp. n. 



Female. — Length 6'1 mm. ; wing 5*5 mm. 



Very similar to typical carissima, differing as follows : 

 The entire thoracic dorsum and pleura is a deep brownish 

 black, with a light yellow area on the mesepisternnm as 

 described under the typical form. The dark wing- pattern 

 is more extensive, all three bands being connected with one 

 another in the cubital ceils of the wing, the band beyond 

 the cord suffusing the entire wing-apex, excepting a narrow 

 delicate margin at the extreme tip. Abdomen dark brown, 

 only the bases of the segments indistinctly paler; genital 

 segments and valves of the ovipositor reddish horn-colour, 

 as in the typical form. 



Hab. British East Africa. 



Holotype, ? , Mumias District, north and south banks of 

 the Nzoia River, North Kavioronda, September 2, 1911 

 (C W. Woodhuuse) ; on self. 



Presented by the Entomological Research Committee, 

 1912. 196. 



Type in the collection of the British Museum (Natural 

 History). 



Erioptera subirrorata, sp. n.* 



General coloration pale greyish brown, the dorsal pleural 

 sclerites of the thorax rather darker ; hal teres with the 

 knobs pale ; legs with the femora yellowish, the tibiae more 

 brownish ; wings faintly brownish yellow, the outer costal 

 margin more suffused, the veins beyond the cord faintly 

 irrorate with pale brown dots; cell 1st M 2 closed, 2nd Anal 

 vein sinuate. 



Sex? — Wing 6*3 mm. 



Rostrum and the rather large palpi brown. Antennae 

 with the seapal segments brown, the flagcllum broken. 

 Head dull yellow, the vertex whitish- pruinose. 



Me>onotum pale greyish brown, the lateral margins of 

 the prsescutum paler; tuberculate pits separated by a 

 distance that is about equal to three t'mes the diameter of 

 one, located immediately cephalad of the level of the nearly 

 transverse pseudosutural foveas. Pleura dull yellow, the 

 dorsal sclerites broadly but somewhat indistinctly infuscated 

 to produce a dorsal st ipe. Halteres brown, the knobs large, 

 light brownish yellow. Legs with the coxae and trochanters 

 light yellow ; femora yellow; tibiae and tarsi brown, the 

 distal segments of the latter darker brown. Wings with 

 a faint brownish-yellow suffusion, the costal margin between 



