CEDALEA. Ill 



Yellow, slender, thinly clothed with black hairs and bristles. Head 

 black. Proboscis pale yellow, blackish towards the tip. Antennae 

 black ; first joint yellow ; second brown ; fifth rather more than half 

 the length of the third. Thorax with an indistinct slender pale brown 

 stripe ; disc of the metathorax greyish. Wings colourless ; no stigma. 

 Halteres tawny. Tip and hind borders of the segments of the abdo- 

 men brown. Legs yellow, long and slender ; tips of the tibiae darker ; 

 tarsi brown. 



Not common. (E. S.) 



Genus X. EUTHYNEURA. 



EUTHYNEURA, Mq. a. s. e. iii. (1836). 



Proboscis porrecta, capite longior. Antennarum articulus tertim quinto 

 longior. Alarum vena cubitalis simplex ; vena externo-media 3. Coxae 

 femoribus breviores. 



Proboscis horizontal, longer than the head. Third joint of the an- 

 tenna longer than the fifth. Cubital vein simple ; externo-medial veins 

 3, arising from a ducal areolet. Coxa shorter than the femora. 



1. myrtilli, Mq. a. s. e. iii. (1836). Nigra, antennis apice subu- 

 latis, alls limpidis, tibiis basi femoribusque fulvis. Long. 1 ; alar. 

 31in. 



Black, shining, not hairy. Tips of the antenna subulate. Wings 

 colourless ; stigma pale brown. Tibiae towards the base and femora 

 tawny. 



Eare. In Mr. Holiday's collection. (E. I.) 



2. myricse, Hal., MSS. Nigra, gracilis, antennis apice ootusis, 

 alis limpidis, abdomine attenuato t pedibus fuscis > tarsis nigris. Long. 1^ ; 

 alar. If lin. 



Black, long, slender, not hairy. Tips of the antenna obtuse. Wings 

 colourless. Halteres tawny. Abdomen attenuated, about thrice the 

 length of the thorax. Legs brown, long, slender ; tarsi black. 



Eare. In Mr. Halida/s collection. (E. I.) 



Genus XI. CEDALEA. 



(ED ALE A, Mg. zw. ii. 355 (1820) ; Mq. ; Ztt. Empis p., Fin. 

 dicera, Mq. 



Corpus minutum, subelongatum, glabriusculum, nitidum. Color cor- 

 poris niger, pedum pallidus. Proboscis capite brevior. Palpi dilatati, 

 compressi. Antennae 5-articulatse, porrectae, capite longiores, basi 



