180 INSECUTOR INSCITI^ MENSTRUUS 



Obolocera, new genus. 



Genotype, Homoconychia rap(c H. E. Smith, 1917, Psyche, 

 XXIV, 139-140. 



Head much wider than high, but very short. Clypeus a little 

 depressed ; epistoma cut off short, but warped. Facialia 

 obliquely flattened, finely short-ciliate on outer edge about 

 half way above vibrissse. Proboscis short, labella large ; palpi 

 elongate, thickened apically. Antennae inserted about on eye 

 middle, second joint short; third joint in male irregularly sub- 

 circular, flattened or compressed laterally into a thin plate 

 whose greater length is over three times the second joint. 

 Arista short, porrect, thickened over half way, second joint 

 longer than wide. Eyes pilose. Frontals diverging three or 

 four bristles below base of antennae, about eight in number, all 

 reclinate. Male with two strong verticals, but neither proclin- 

 ate nor reclinate orbitals. Ocellars present, proclinate. Para- 

 facialia in plane of clypeus, bare on lower half. Three sterno- 

 pleurals, three postintraalars, four postsuturals, three preacros- 

 tichals and three postacrostichals. No costal spine ; apical cell 

 open a little before tip. Hind tibiae ciliate, male claws short. 

 Median marginal pair on first abdominal segment, median 

 marginal and median discal on second, marginal row and 

 median discal pair on third, marginal and discal rows on anal 

 segment. 



Chlorcmetaphyto, new genus. 



Genotype, Gymnochacta vivida Williston, 1886, Tr. Am. Ent. 

 Soc. Xni, 302. 



Clypeus slightly sunken, epistoma wide and only slightly 

 warped. An outer row of frontals anteriorly more or less 

 developed in the female. Third antennal joint of female little 

 longer than second, that of male about one and one-half times 

 second. Costal spine strong, a strong stump at cubitus. Hind 

 crossvein close to cubitus. Sternite V of male greatl}' elon- 

 gated and deeply cleft. 



Euptilopsis, new genus. 



Genotype, Ptilopsis sexmaculata Robineau-Desvoidy, 1863, 



