162 INSECUTOR INSCITI^ MKNSTRUUS 



]90T, collected by Dr. F. Santschi, in whose honor the genus is 

 named. 



Brownish-rufous, with gray pollen. Antennae, palpi and 

 legs fulvous ; tarsi brown. Three narrow blackish thoracic 

 vittae. Abdomen faintly showing three brown vittse over first 

 three segments. Tegulae white. Wings clear. 



Stenaulacotheca, new genus. 



Genotype, Sarcophaga spatiilata Aldrich, 1910, Sarc. & 

 AlHes, 105. 



Epistoma narrow, extended well below vibrissa?. Arista 

 thinly plumose half way. Parafacialia narrow, with only faint J 

 indication of two to four bristlets below near orbit. Weak •■ 

 marginal row of bristles on second segment, strong marginal 

 row on third and anal segments. Theca of female very nar- 

 row, elongate, curved upward at tip, with dorsal groove. Al- 

 lied to Protodexia, from which it is easily distinguished by the 

 above characters. 



Eubrachymera, new genus. 



Genotype, Eubrachymera debilis, new species. 



Differs from Brachymera in arista thickened only half way, 

 apical cell ending but little before wing tip, macrochaetae all 

 much weaker, and third vein bristled only at base. 



Eubrachymera debilis, new species. 



Length, 7 to 8.5 mm. Two females, Brookings, South 

 Dakota, reared June 14, 1918, by H. C. Severin from Neuro- 

 toma inconspicua Norton, a web-making sawfly on plum ; trans- 

 mitted by J. M. Aldrich. 



Brown, cinereous pollinose. Antennae and palpi blackish. 

 Two narrow inner and two broader outer thoracic vittae. 

 Abdomen broadly silvery on bases of last three segments. 

 Tegulae white. Wings clear. 



Oestrohilarella, new genus. 



Genotype, Hilar ella aristalis Coquillett, 1897, Rev. Tach., 

 129 (southern Illinois). 



