232 Transactions. — Zoology. 



base, very numerous dichotomous nervures united by two 

 longitudinal series on the costal area, and three somewhat 

 irregularly placed oblique series on the disk, exclusive of the 

 pair common to all the family ; the apical margin excised, and 

 with a recurved apex ; the base of the inner margin with a 

 mucronated process. Posterior wings shorter, with fewer 

 nervures, somewhat lanceolate-acute, the hinder margin 

 waved. Abdomen compressed. Legs long and slender. 

 Distribution. — Europe, Asia, &c. 



Drepanepteryx instabilis. 



DreiMnejiteryx instahilis, McLachlan, Journ. of Entomology, 



vol. 2, p. 115, pi. 6, fig. 4 (1863). 



Eeddish-fuscous ; antennae pale greyish-ochreous, annu- 

 lated with brown ; prothorax black at the sides ; legs very 

 pale greyish-ochreous. Anterior wings deeply excised below 

 the apex, greyish subhyaline, clouded and irrorated with 

 greyish- brown, forming transverse streaks on the costal mar- 

 gin ; six sectors radii, ten gradate veinlets in the inner series, 

 fourteen in the outer, the latter deeply margined with black- 

 ish ; longitudinal veins dotted with greyish-brown. Posterior 

 wings whitish-hyaline, interruptedly margined with grey; 

 some of the veins blackish. Length of the body, 7|-mm. ; 

 expanse of the wings, 19 mm. 



Locality. — Otago. 



A variety has both series of gradate veinlets in the anterior 

 wings margined with blackish; between them, on the costa, 

 is a large subhyaline space without markings, and a some- 

 what conspicuous black spot near the base. 



Drepanepteryx humilis. 



Drepanepteryx humilis, McLachlan, Journ. of Entomology, 



vol. 2, p. 116, pi. 6, fig. 5 (1863). 



Ochreous, slightly pilose ; antennae pale-ochreous ; eyes 

 lurid. Pro- and meso-thorax somewhat fuscous at the sides. 

 Legs pale-ochreous, tarsi fuscescent. Anterior wings slightly 

 excised at the apical margin, subhyaline, clouded with greyish- 

 ochreous, and with a few^ scattered black dots, most numerous 

 along the costal margin ; apical and inner margins narrowly 

 fuscous, spotted with white ; longitudinal veins with fuscous 

 points ; nine veinlets in the inner gradate series, some of 

 which are fuscous, thirteen in the outer. Posterior wings 

 hyaline, pterostigma ochreous. Length of the body, 6 mm.; 

 expanse of the wings, 15 mm. 



Locality. — Auckland and Otago. Found also in Queens- 

 land. 



In the New Zealand examples the posterior wings have a 

 fuscous dash at the anal angle, but they do not sufiiciently 



