508 Dr. C. P. AlexamU'r on 



scutellum testaceous; pnstiiotum brown. rieui'a dark 

 browu, iiicliuliug the ventral half of tlie lateral seleritc of 

 the postnotiuu ; a large and conspicuous obscure yellow blotch 

 on the niesi;[)isternuni and rnesosternuni, ventrad of the wing- 

 root. Ilalteres brownish testaceous, the extreme base 

 yellowish. Legs with the coxic and trochanters obseure 

 greenish yellow; femora dark brown, more yellowish basally ; 

 remainder of ihe legs dark brown; claws with a long, sleniler, 

 subbasal tooth. Wings greyish subhyaline, the stigma 

 conspicuods, dark brownish l)laclc ; paler brown seams at Scj, 

 origin of Rs\ along the cord and outer end of cell 1st M^; 

 veins dark brown, paler in the iiifuscated areas, the veins here 

 ap[)earing soniewh:it bullate. A'enation : <SV, ending opposite 

 the origin of Hs, /Scg some distance from the tip of Sci, the 

 latter alone about one-third longer than the basal deflection 

 of Cui ; li's about one-half longer than the basal deflection 

 of Bi+h'} cell \st M-i small; basal deflection of Cui before 

 the fork of J/, the distance about e(iual to r-m. 



Abdomen bicolorous, the basal half of the tergites brown, 

 the apicfil half yellow, the brown narrower on the basal 

 segments, becoming more extensive posteriorly, on the 

 seventh and eighth segments only the narrow caudal margins 

 are bright yellow ; sternites similar, but the brown bases are 

 correspondingly narrower. Ventral apjiendages of the 

 liypopygium tinged with green, the rostriform appendage 

 with two spines. 



Female similar to the male. Tips of the femora indis- 

 tinctly yellowish, liasal deHectiou of Cmj at the fork of Al. 

 OvijJObitor with the valves long and slender. 

 lliih. New Zealand (North Island). 



Ho/o/ijjje, S , Ohaknnc, altitude 20G0 feet, October 10, 

 1921 (7'. R. Harris). 



Allotype, ? , Taihape, October 12, 1021 (7: U. Harris). 

 Hicranomyia rtversalis is related to I), vicurians, Schiner, 

 but is readily told by the reversal of coloration of the 

 al)doniiiial segments. 



Dicraiiomyia Jitminielus, n[). n. 



General coloration yellow ; mesonotal ))r{eseutum shiny 

 black Mith broad lateral margins of the ground-colour ; 

 anterior part of vertex silvery ; wings fulvous brown, the 

 stigma slightly darker brown ; abdominal sternites obscure 

 yellow. 



Mule. — Length 5'8 mm. ; wing 8 mm. 



Female. — Length about 05 mnj. ; w ing H mm. 



