8o2 Auuals Eutoiiiolooical Society oj America [Vol. XIII, 



Sepedon caeruleus new siiecies. 



Male — Length, S mm. Head yellow, a shield-shaped cervical 

 spot and an elongate infraocular mark white-pruinose, black orbital 

 spots at middle of front and at antennae, upper frontal orbits dusky; 

 antennre black, first joint quadrate, second joint attenuated, two-thirds 

 longer than the third, which is twice as long as deep and apically rounded, 

 arista nearly twice the length of the third antennal joint, white on apical 

 half and basally brown, its second joint four times as long as wide; 

 palpi yellow, the extreme tip dusky. Mesonotum metallic blue between 

 the complete median black vitta and the sides, scutellum medially 

 black from a continuation of the notal vitta and laterally blue; upper 

 pleura with reddish tinge, lower bluish superimposed with white pollen. 

 Abdomen entirely dark blue with bronze tinge. Legs, including coxae, 

 mostly reddish yellow, femora tipped with black, the hind pair more 

 broadly so, hind tibiae dark, except a subapical band, tarsi dusky, front 

 femora not spinose. Halteres with blackened knob. Wings strongly 

 infumated, veins black, first posterior cell as wide at middle as the end 

 of the discal cell, anal vein incomplete, sections of fourth vein equal, 

 posterior cross\'ein arched, but much less oblique than in S. fuscipennis. 



Holotype: Haiti,* received from Dr. Hough. 



