ON A NEW GENUS OF BUTTERFLY FROM NEW ZEALAND. 159 
ON A NEW GENUS OF BUTTERFLY FROM 
NEW ZEALAND.* 
a 
BYycAR VER: Gi BULLER. FESS.) F.Z.5.5 FC, 
At a meeting of the Philosophical Institute of Canterbury, 
New Zealand, held on the 30th November, 1883, Mr. R. W. 
Fereday read the “ Description of a Species of Butterfly new to 
New Zealand, and probably to Science,” to which he gave the 
name of Genus(?) helmst ; this species he referred to the Vym- 
phalide, but he did not venture to assign it to any group of that 
family. 
As Mr. John D. Enys, who is now in England, has brought 
over the type specimen of this butterfly for my examination, 
with the request that I will determine its position and name the 
genus, I have great pleasure in doing so. The genus being a 
new one, and greatly resembling the genus Dodona, of Hewitson, 
both in form and general coloration, I propose to call it Dodonidia, 
gen. nov. This genus, as indicated by Mr. Fereday, belongs to 
the great family Vymphviide (sub-family Satyrin@), and although 
it corresponds most nearly in form with Corades (a New World 
genus),it appearsto me to be more closely related to the Australian 
genera Argyunina and Geitoneura, from the former of which (apart 
from its different form) it chiefly differs in theshape of the discoidal 
cell-of the secondaries, which is acutely pointed instead of trun- 
cated, owing to the length-and obliquity of the disco-cellular vein- 
lets. The body, inclusive of palpi and antennze, corresponds 
closely with that of Argynnina, the style of coloration of the 
wings is most like that of A. lathoniella ; the primaries are trian- 
cular, but with the apex and external angle obtusely rounded 
off ; the costal margin is nearly straight, slightly incurved before 
the middle, and very slightly convex from apical third ; the outer 
margin is nearly straight, rather oblique, slightly convex at apex, 
and incurved at external angle to meet the inner margin, which 
is also nearly straight ; costal vein extending to apical third ; 
sub-costal five branched, the first branch only emitted before the 
end of the cell, the second, third, and fourth at about equal dis- 
tances beyond the cell, the fourth-and fifth forming an almost 
equal fork to apex and outer margin ; upper radial emitted from 
anterior angle of the cell, lower radial near to upper, so that the 
upper disco-cellular (which is mangled) is of about one-third 
the length of the lower disco-cellular ; the latter is slightly arched 
and oblique ; median nervules about equi-distant; submedian 
vein running rather near to inner margin ; secondaries elongate 
triangular, subcaudate, and evidently internally lobed at anal 
angle (these wings are, however, much injured); costal margin 
strongly lobate close to base, so as to commence with almost a 
*Annals and Mag, of Nat, Hist, for March, 1884, p. 171. 
