LIST OF DIPTERA. 147 



Mediastinal vein ending at two-thirds of the length of the 

 wing. Subcostal ending at three-fourths of the length. Radial 

 ending at about half the distance between the subcostal and the tip 

 . of the wing. First branch of the cubital simple, very slightly 

 curved, forming a slightly obtuse angle near its base ; second 

 branch ending on the hind border far from the tip. Four complete 

 separate externo-medial veins. Subanal vein united to the anal 

 close to the border. Discal areolet narrow, elongated, hexagonal. 



1. Erodioehynchus eristaloides. 



Niger; thorax cinereo pilosus ; abdominis segmentorum li et 2i 

 latera tibiceque rufa; alee hyalince, basi et ad costam sub- 

 fiavce. 



Erodiorhynchus eristaloides, Macq. 

 Cape. 



Genus 4. ECTENOPSIS. 



Ocelli tres. Proboscis longa, incumbens. Antennae 7-articu- 

 latae, articulo 3o non exciso. Alarum venae cubi talis furca la 

 ramulum emittens. 



Ectenopsis, Macq. 



Costal vein ending at the tip of the wing. Mediastinal ending 

 at before two-thirds of the length. Subcostal ending before three e 

 fourths of the length. Radial ending at beyond half the distanc e 

 between the subcostal and the tip of tbe wing. First branch of th 

 cubital ending at a little nearer to the tip of the wing than to th e 

 radial, angular near its base, and emitting an extremely shor* 

 branch from the angle ; second branch ending on the hind border 

 far from the tip of tbe wing. Four complete externo-medial veins. 

 Subanal vein united to the anal close to the border. Discal areolet 

 irregularly pentagonal, much elongated. 



1. Ectenopsis vulpecula. 



Ferruginea ; antennce apice nigrce ; pedes nigri ; alee fumato- 

 cinerece, basi ferruginece. 



Chrysops vulpecula, Wied. 



o2 



