Meykick. — On New Zealand Micro-Lepidoptera. 19 



I am acquainted with seventeen New Zealand species, which may be 

 thus separated : — 



I. Forewings with a sharply-defined white longitudinal streak from base to hindrnargin. 



A. Streak above middle ; costal area dark fuscous . . . . . . 12. flexuosellus. 



B. ,, central; costal not darker than ground-colour 



1. Forewings blotched with dark fuscous . . . . . . 2. comiptus. 



2. ,, not blotched 



a. Hindwings dark fuscous . . . . . . . . 1. cethonellus. 



h. ,, light grey or whitish 



* Head light ochreous 



f Hindrnargin dotted with black . . . . 6. haplotomus. 



ft » not dotted . . . . . . . . 8. simplex. 



** Head white 



f Cilia grey barred with white . . . . . . . . 11. vittellus. 



ft ,, wholly white or whitish 



i. Costa with a rather broad white streak through- 

 out . . . . . . . . 9. siriellus. 



ii. ,, ,, a slender white streak throughout . . 7. callirrhous. 

 iii. ,, „ a slender white streak from near base, 



posteriorly dilated . . . . . . 5. dicrenellus. 



iv. ,, ,, a curved white streak from before 



middle to before apex . . . . 10. apicellus. 



II. Forewings with no well-defined white longitudinal streak reaching 



hindrnargin. 



A. With two slender longitudinal ferruginous streaks . . . . 17. xanthogrammus. 



B. Without ferruginous streaks 



1. With a blackish or dark fuscous streak from base 



a. Forewings pale ochreous or whitish • . . . . . 3. ramosellus. 



b. „ grey 



* White basal streak hooked downwards in middle of 



disc . . . . . . . . . . . . . . 15. harpophorus. 



** White basal streak straight beneath .. .. .. 16. strigosus. 



2. Without blackish basal streak 



a. Forewings whitish with a pale ochreous submedian streak 4. angiistipennis. 



b. ,, greyish . . . . . . . . . . . . 14. cyclopicus. 



c. ,, brownish, with white and dark fuscous mark- 



ings . . . . . . . . . . . . 13. tuhualis. 



1. Cr. cethonellus, n. sp. 

 Male. — 18-19 mm. Head, palpi, and thorax deep ochreous-brown, 

 shoulders with a small yellowish-white spot ; palpi rather short, beneath 

 ochreous-white towards base. Antennae dark fuscous. Abdomen dark 

 fuscous, gradually suffused with pale ochreous posteriorly. Anterior and 

 middle legs dark fuscous ; posterior legs whitish-ochreous, apex of tarsi 

 infuscated. Forewings short, moderately broad, costa almost straight, apex 

 almost acute, hindrnargin very slightly sinuate, nearly straight, moderately 

 oblique ; rather bright deep ochreous-brown ; costal edge narrowly ochreous- 



