Page:Transactions NZ Institute Volume 15.djvu/45

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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 hindmargin.
A. Streak above middle; costal area dark fuscous 12. flexuosellus.
B. Streak„ central; costal not darker than ground-colour
1. Forewings blotched with dark fuscous 2. corruptus.
2. Forewings„ not blotched
a. Hindwings dark fuscous 1. æthonellus.
b. Hindwings„ light grey or whitish
 * Head light ochreous
 † Hindmargin dotted with black 6. haplotomus.
†† Hindmargin„ not dotted 8. simplex.
** Head white
 † Cilia grey barred with white 11. vittellus.
†† Cilia„ wholly white or whitish
i. Costa with a rather broad white streak throughout 9. siriellus.
ii. Costa„ with„ a slender white streak throughout 7. callirrhoäs.
iii. Costa„ with„ a slender white streak from near base, posteriorly dilated 5. dicrenellus.
iv. Costa„ with„ a curved white streak from before middle to before apex 10. apicellus.
II. Forewings with no well-defined white longitudinal streak reaching hindmargin.
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. Forewings„ 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. angustipennis.
b. Forewings„ greyish 14. cyclopicus.
c. Forewings„ brownish, with white and dark fuscous markings 13. tuhualis.


1. Cr. æthonellus, 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. Antennæ 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-

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