Meyrick. — Monograph of New Zealand Nootuiua. 15 



The following rough analysis may also be of use in helping 

 to fix the identity of species : — 



A. AntennsB of male shortly bipectinated . . sp. 18-24. 



B. „ „ subdentate or filiform. 



1. Subterminal with two much stronger teeth 



below middle . . . . . . sp. 83-40. 



2. Subterminal without much stronger teeth. 



a. Terminal joint of palpi rather elongate sp. 43, 44. 



b. „ „ short .. sp. 25-32, 41, 42. 



18. Mam., disjungens, Walk. 



{Heliophobus disjungens, Walk., Noct., 1681, Butl., Voy. Ereb., pi. ix., 1 ; 

 Hadena nervata, Gn., Ent. Mo. Mag. v., 40.) 



Male, female. — 35-37 mm. Head whitish-ochreous, mixed 

 with fuscous, with a dark fuscous band on face. Palpi whitish- 

 ochreous, externally suffused with dark fuscous. AntennsB 

 whitish-ochreous, in male moderately pectinated. Thorax 

 slightly crested, ochreous-whitish, with a central dark fuscous 

 line, collar and patagia with submarginal dark fuscous rims, an 

 ochreous transverse band behind collar. Abdomen ochreous- 

 grey-whitish. Legs dark fuscous, mixed and ringed with 

 ochreous - whitish. Forewings moderately dilated, costa 

 straight, apex obtuse, hindmargin crenulate, obliquely 

 rounded ; brownish-ochreous ; all veins conspicuously whitish ; 

 spots moderate, margined first with white and then with black 

 except on veins ; orbicular round, claviform elongate, reniform 

 oblong ; lines black, waved, interrupted on veins ; subterminal 

 white, obscurely blackish-margined on both sides, with two acute 

 teeth touching hindmargin below middle ; a hind-marginal row 

 of black lunules : cilia whitish-ochreous, mixed with fuscous. 

 Hindwings fuscous-grey, lighter towards base ; veins sometimes 

 whitish ; a dark fuscous hind-marginal line ; cilia whitish, with 

 a cloudy grey line. 



Eakaia ; November to January, formerly very common, now 

 scarcer. 



19. Mam. paracausta, n. sp. 



Male, female. — 37 mm. Head whitish, mixed with reddish- 

 ochreous above, with two blackish transverse lines on face. 

 Palpi whitish, externally somewhat mixed with reddish- ochreous 

 and black. Antenna whitish, in male moderately pectinated 



