74 INSECUTOR INSCITl.^i MENSTKUUS 



characters. The scutellum and abdomen, especially the latter, 

 are polished rufocastaneoiis ; mesoscutum blackish, subshining, 

 thinly brassy pollinose ; wings lightly infuscate, blackish at 

 base. 



Okea, new genus. 



Genotype, Winthemia okefenokeensis H. E. Smith, IQIG, 

 Proc. Ent. Soc. Wash., XVIII, 95, Okefenokee Swamp, 

 Georgia. 



Differs from Winthemia as follows : Male. Front broader ; 

 antennae longer and more slender, the second joint well 

 elongate. Venter of preanal segment with strongly marked 

 pilose areas ; the pile long, thick, and rather coarse. Second 

 to fourth front tarsal joints each widened into oblique trans- 

 versely elongated pieces, these joints being wider than their 

 length, set obliquely and well separated. Hind tibiae thickly 

 ciliate, without conspicuous longer bristle in middle. There 

 are normally no median macrochsetae on first two abdominal 

 segments. Hypopygial forceps elongate and narrow. 



Female. — Front broader than in the male but narrower than 

 in Winthemia female ; antennae nearly same as in male. Front 

 tarsi broadened, the last joint most distinctly so. Hind tibiae 

 not ciliate, at most subpectinate with a few bristles of unequal 

 length. Second abdominal segment bears a median marginal 

 pair of macrochastae. 



Ten males and one female of a form congeneric with the 

 genotype received from Don Patricio Cardin, Estacion Exper. 

 Agron. de Cuba, Santiago de las Vegas, Cuba, No. 8129. 



Eubiomyia, new genus. 



Genotype, Pseudatractocera calosomce Coqt., 1897, Rev. 

 Tach., 82, resurrected name for Biomyia (Viviania) georgice 

 Coqt., 1897, 1. c, p.p., Amherst, Massachusetts (not Viviania 

 georgicc B. B.) Holotype, No. 20202 U. S. Nat. Mus., male, 

 reared by A. F. Burgess from adult Calosoma calidum at Am- 

 herst, Massachusetts. 



Differs from Biomyia as follows : Female vertex about one- 

 half eye-width. Parafacials, parafrontals, and frontalia all 



