508 Dr. C. P. Alexander on 
scutellum testaceous; postnotum brown. Pleura dark 
brown, including the ventral half of the lateral sclerite of 
the postnotum ; a large and conspicuous obscure yellow blotch 
on the mesepisternum and mesosternum, ventrad of the wing- 
root. Halteres brownish testaceous, the extreme base 
yellowish. Legs with the coxe and trochanters obscure 
greenish yellow; femora dark brown, more yellowish basally ; 
remainder of the legs dark brown; claws with a long, slender, 
subbasal tooth. Wings greyish subhyaline, the stigma 
conspicuous, dark brownish black ; paler brown seams at Sco, 
origin of Rs, along the cord and outer end of cell lsé M, ; 
veins dark brown, paler in the infuscated areas, the veins here 
appearing somewhat bullate. Venation : Sc; ending opposite 
the origin of Rs, Sc. some distance from the tip of Se,, the 
latter alone about one-third longer than the basal deflection 
of Cu,; 2s about one-half longer than the basal deflection 
of R,,5; cell lst M, small; basal deflection of Cu, before 
the fork of J/, the distance about equal to r—m. 
Abdomen bicolorous, the basal half of the tergites brown, 
the apical half yellow, the brown narrower on the basal 
segments, becoming more extensive posteriorly, on the 
seventh aud eighth segments only the narrow caudal margins 
are bright yellow ; sternites similar, but the brown bases are 
correspondingly narrower. Ventral appendages of the 
hypopygium tinged with green, the rostriform appendage 
with two spines. 
Female similar to the male. Tips of the femora indis- 
tinctly yellowish. Basal deflection of Cu, at the fork of M. 
Ovipositor with the valves long and slender. 
Hab. New Zealand (North Island). 
Holotype, 3, Ohakune, altitude 2060 feet, October 10, 
1920 (7. Rh. Harris). 
Allotype, ¢, Taihape, October 12, 1921 (7. R. Harris). 
Dicranomyia reversalis is related to D). vicarians, Schiner, 
but is readily told by the reversal of coloration of the 
abdomiual segments. 
Dicranomyia hemimelas, sp. n. 
General coloration yellow ; mesonotal prascutum shiny 
black with broad lateral margins of the ground-colour ; 
anterior part of vertex silvery ; wings fulvous brown, the 
stigma slightly darker brown ; abdominal sternites obscure 
yellow. 
Male.—Length 5°8 mm.; wing 8 mm. 
Female.— Length about 6°5 mm.; wing 8 mm. 
