626 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.49. 



PHYTOADMONTIA, new genus. 



Genotype. — Admontia setigera Coquillett, Invert. Pacif. (Clare- 

 mont, California) vol. 1, 1904, p. 36. 



Differs from Admontia as follows: Facialia bare. Second aristal 

 joint not elongate. Parafacials not broad, with row of strong facio- 

 orbitals appearing as continuation of frontals. Cheeks of female 

 nearly one-half eye-height. Front tarsi of female modified, laterally 

 compressed. Third antemial joint of female about three and one- 

 half times second. Aiista thickened on basal third or so. No discal 

 bristles on intermediate abdominal segments. Apical cell narrowly 

 open, ending a little before wingtip. Costal spine well developed. 



FamUy MINTHOIDAE. 

 UROMACQUARTIA, new genus. 



Genotype.— Uromacquartia halisidotae Townsend, new species, for 

 Macguartia pristis Coquillett, Rev. Tach., 1897, p. 64, part (not 

 Dexia pristis Walker, List 4, 1849, p. 841), holotype being specimen 

 labeled "5736.01 Iss. 2 June '93," reared from Halisidota argentata, 

 Aurora Mills, Oregon. Holotype No. 19151, U.S.N.M., male. 



Differs from TJramija Robineau Desvoidy as foUows: Abdomen of 

 male much broader, caudal process comparatively short. Male tarsi 

 only a little longer than tibiae. Arista practically bare. Middle legs 

 not elongate. 



ICTERICOPHYTO, new genus. 



Genotype. — Eulasiona spinosa Coquillett, Rev. Tach., 1897, p. 53. 



Differs from Eulasiona as follows: Female front at vertex fully as 

 wide as one eye, widening but little anteriorly. Frontalia broad, 

 occupying more than one-third width of front. Cheeks of female 

 quite one-half eye-height. Third antemial joint of female broad, 

 thick, about three times as long as the short second. Ai'ista well 

 thickened on basal half, becoming abruptly slender. Hind crossvein 

 straight, much nearer to cubitus than to small crossvein. Apical 

 cell widely open just before wingtip. 



ICONOMEDINA, new genus. 



Genotype. — Degeeria washingtonae Coquillett, Journ. N. Y. Ent. 

 Soc, vol. 3, 1895, p. 104; Rev. Tach., 1897, p. 55, referred to Medina. 



Diffei*s from Medina as follows: Second aristal joint very elongate. 

 Body and legs very stout. Front tai'si of female conspicuously 

 thickened, widened, and flattened. Checks of female quite one-half 

 eye-height. Front of female at vertex two-fifths head-width,, the 

 whole front averaging over one-half head-wddth, the face gradually 

 ^videning therefrom. Frontalia of female over one-third widtli of 



