2 University of Michigan 



Rostrum and palpi dark brown. Antennae light yellow, 

 the terminal half of the segments infuscated. Head obscure 

 yellow, the center of the vertex darkened. 



Mesonotal praescutum obscure yellow with four brown 

 stripes, the intermediate pair narrowly separated anteriorly, 

 confluent near the suture ; tuberculate pits situated one on 

 either side of this pale median vitta ; scutum pale, the lobes 

 darker ; scutellum testaceous. Pleura silvery gray with a 

 narrow, brown, dorsal, longitudinal stripe ; mesosternum 

 brown, these two brown lines thus appearing to enclose a 

 broad silvery gray stripe ; dorso-pleural membrane gray. 

 Halteres pale yellow. Legs yellow ; femora with a single, dark 

 brown, subterminal ring of moderate width ; tips of tibiae and 

 metatarsi very narrowly darkened ; terminal tarsal segments 

 darkened. Wings light yellow with a restricted brown pat- 

 tern, this including a narrow band along the cord ; small but 

 conspicuous spots near the wing-root, at origin of Rs, at Sc2 

 and at the tips of the longitudinal veins. Venation : m at or 

 beyond midlength of M?. 



Abdomen dark brown, the hypopygium obscure yellow. 

 Male hypopygium as in E. armillaris and E. graphica, but the 

 gonapophyses much longer, more slender and pointed, and 

 with the apices very strongly arcuated and recurved. 



Holotype, male, Corydon, Harrison County, Indiana, June- 

 i8, 1921 (Alexander). 



Allotopotype, female (Rogers). 



Paratopotypes, 3 males (Alexander and Rogers). 



The types were swept from beds of Dianthera in Little 

 Indian Creek. E. hidianensis is allied to the larger £. sparsa 

 Alex. (California). 



