Meyrick. — On Neiv Zealand Geometrina. 71 



17. Epyaxa, n. g. 

 Face with a short cone of scales. Palpi moderate, triangularly scaled, 

 porrected. Antennas in male bipectinated (5-7). Forewings with vein 6 

 from a point with 9, 7 from or somewhat below angle of areole, 10 anasto- 

 mosing moderately with 9, 11 anastomosing moderately with 10, 12 free. 

 Hindwings normal, 

 la. Central band with a very strong broad abrupt projection . . . . 25. chlamydota. 



lb. ,, „ ,, small angular or rounded „ 



2a. Hindwings whitish-ochreous . . . . . . . . . . . . 24. semijissata. 



2b. ., grey. 



3a. Anterior edge of central band nearly straight . . . . . . 23. orophyla. 



3b. ,, „ ,, ,, strongly concave .. .. 22. rosearia. 



22. Ep. rosearia, Dbld. 



(Gidaria rosearia, Dbld., Dieff. N.Z., ii., 285, Butl. Cat., pi. 'iii., 13 ; Coremia ardularia, 

 Gn., E.M.M., v., 63 ; Coremia inamcenaria, Gn., E.M.M., v., 63.) 



Male, female. — 25-28 mm. Forewings moderate, hindmargm very 

 faintly sinuate ; in male pale whitish-grey, faintly ochreous-tinged, in 

 female generally more ochreous and sometimes yellowish ; numerous very 

 indistinct darker strias, dotted with blackish on veins ; a small rather 

 darker basal patch, its outer edge sharply angulated above middle ; a 

 rather darker moderately broad median band, partially mixed with fuscous, 

 its margins sometimes blackish on upper half, containing a paler space 

 above middle, in which is an elongate transverse black dot ; anterior edge 

 of band rather deeply sinuate-concave, posterior edge shortly and obtusely 

 projecting in middle and towards costa, somewhat concave on lower half ; 

 hindmargin suffusedly darker ; a short dark grey suffused oblique subapical 

 streak : in female all markings are only rather darker than ground-colour. 

 Hindwings moderate, hindmargin rounded ; whitish-grey, faintly striated 

 with darker. 



The female is variable in ground-colour, the male very constant. 



Christchurch, Akaroa, Dunedin ; very common, especially at light, in 

 March and from May to September, so that it is essentially a winter 

 species ; fifty-five specimens. 



C. ardularia, Gn., is the male, and C. inamaznaria, Gn., the female of 

 this species; C. subidaria, Gn., quoted by Butler as a synonym, is an 

 Australian species and not identical. 



23. Ep. orophyla, n. sp. 



Male, female. — 28-33 mm. Forewings moderate, hindmargin very 

 faintly sinuate ; grey, slightly fuscous-tinged, and obscurely striated with 

 whitish, sometimes with blackish dots on veins ; a blackish line near base, 

 irregularly bent near costa ; a moderately broad median band enclosed by 

 two fuscous blackish-edged fascias, sometimes confluent on lower half, their 



