Meyrick. — On New Zealand Geometrina. 



77 



Apparently variable in colour and suffusion ; distinguished however 

 from all New Zealand species of the family by the approximation of the 

 posterior margin of the central band to the hindmargin, which the angula- 

 tion almost touches. 



Akaroa, Mount Hutt, Arthur's Pass (2,600 feet), and Dunedin, amongst 

 bush, in January and February ; five specimens. 



20. Laeextia, Tr. 

 Face with a more or less developed cone of scales. Palpi moderate, 

 roughly triangular-scaled, porrected. Antennae in male bipectinated {a 3-5, 

 b 6-8). Thorax not hairy beneath. Forewings with vein 6 rising out of 9, 

 7 from (rarely above) angle of areole, 10 anastomosing moderately with 9, 

 11 anastomosing moderately with 10, 12 free. Hindwings normal. 

 Also a cosmopolitan genus, largely represented in New Zealand, 

 la. Hindwings distinctly yellow. 



2a. Forewings with clear white markings. 

 3a. With sis white fascial 

 3b. ,, two white lines 

 2b. Forewings without white markings. 

 3a. Forewings clear yellow. 



4a. With numerous dentate brown lines 

 4b. ,, four rows of dots 

 3b. Forewings whitish-ochreous or brownish-ochreous. 

 4a. Median projection of central band bidentate 

 4b. ,, ,, ,, i) rounded 



lb. Hindwings not yellow. 



2a. Forewings suffused with green 

 2b. Forewings not green. 



3a. Posterior lines of forewings more oblique than hindmargin 

 3b. ,, ,, ,, not more oblique. 



4a. Anterior lines of forewings absent 36. nephelias. 



4b. „ ,, ,, present. 



5a. Central band without median projection. 

 6a. Cilia barred 

 6b. „ unicolorous 

 ob. Central band with median projection. 

 6a. Projection simple. 



7a. Forewings dark fuscous-grey . . 

 7b. „ light greyish-ochreous 



6b. Projection bidentate. 



7a. Hindmargin of forewings deeply sinuate 

 7b. „ „ not sinuate. 



8a. Species large 

 8b. ,, moderate or small. 



9a. With a clear white line beyond median 



band . . . . . . . . . . 45. chionogramma. 



9b. Witbout „ „ „ „ „ . • 48. cinerearia. 



38. clarata. 

 34. stinaria. 



44. prasinias. 

 40. chlorias. 



43. helias. 

 50. bulbulata. 



39. beata. 



35. prfsfectata. 



41. cegrota. 



42. psamithodes. 



49. anthracias. 

 37. cataphracta. 



46. obarata. 



47. petropola. 



