34 Transactions. — Zoology. 



Dicranomyia fasciata, sp. nov. 



Greyish-brown ; coxae and lower surface lighter. Wings 

 hyaline ; a large fuscous spot near the middle of the anterior 

 basal cell, just inside the origin of the second longitudinal 

 vein, another in the centre of the marginal cell, and a small 

 spot at the origin of the third longitudinal vein. Inner and 

 outer margins of the discal cell and the posterior cross-vein 

 bordered with fuscous. The auxiliary vein ends slightly out- 

 side the origin of the second longitudinal ; the posterior cross- 

 vein lies mside the base of the discal cell. Eostrum shorter 

 than the head. Joints of the flagellum submoniliform. 

 Length, $ 7 mm.; wing, $ 9 mm. The male is unknown. 



Hab. Christchurch (F. W.H.). 



B. Wings without spots. 

 Dicranomyia monilicornis, sp. nov. Plate III., fig. 8. 

 Dicranomyia vionilicornis , Osten-Sacken, MSS. 



Yellowish-brown ; rostrum, coxae, and lower surface of 

 body lighter ; antennse and palpi darker. Wings unspotted, 

 slightly fuscous ; the costa yellowish-brown ; veins fuscous. 

 Eostrum about the length of the head in the female, shorter in 

 the male. Flagellum of the antennae submoniliform in both 

 sexes. Legs hairy. The auxiliary vein ends some distance 

 inside the origin of the second longitudinal ; posterior cross- 

 vein in a line with the base of the discal cell. Length, 

 ^ 6-7 mm., ? 6-7 mm. ; wing, 3 8-9 mm., 5 9 mm. 

 Hah. Christchurch (F. W. H.). 



Dicranomyia nigrescens, sp. nov. 



Dark-fuscous, almost black, the ovipositor reddish. Wings 

 unspotted, dark-fuscous. Eostrum about as long as the head 

 in the female. Joints of the flagellum of the antennae oval. 

 Auxiliary vein ending slightly beyond the origin of the second 

 longitudinal. Posterior cross-vein in a line with the base of 

 the discal cell. Length, J 8 mm.; wing, $ 11mm. The 

 male is unknown. 



Hab. Wellington (Hudson). 



Genus Gekanomyia, Haliday (1833). 



" One submarginal cell ; four posterior cells ; a discal cell. 

 Antennae 14-jointed, submoniliform, joints not pedicelled. 

 Eostrum and proboscis prolonged, longer than the head and 

 thorax taken together ; the short palpi inserted about their 

 middle. Feet slender ; tibiae without spurs at the tip ; em- 

 podia indistinct or none ; ungues with teeth on the under-side. 

 The forceps of the male like that of Dicranomyia" (Osten- 

 Sacken). 



