Meyricx.—On New Zealand Micro-Lepidoptera. 9 
preceded by an obscure whitish suffusion ; an irregular dentate suffused 
white mark at apex ; an irregular white line along hindmargin, tending to 
form a spot in middle, and two confluent spots below middle; hind-mar- 
ginal edge blackish : cilia greyish-ochreous, more whitish at anal angle, with 
two suffused darker fuscous lines, and with a white spot above apex. Hind- 
wings whitish-fuscous-grey, with a dark grey spot before middle, a narrow 
irregular well-defined grey band close before hindmargin, and a sinuate 
grey line closely preceding band; an interrupted blackish-grey hind-mar- 
ginal line; cilia grey-whitish, with a grey line near base. 
Peculiar in facies, readily known by the two double white transverse 
lines. 
Tolerably common at Christchurch on fences and old walls in January, 
and I have also taken it at light; occurs also at Dunedin. Mr. R. 
Fereday informs me that the imago has the same habits as Dipt. elaina, 
whence it is probable that the larva feeds in the same way. 
8. ScENOPLOCA, N. g. 
Antenne of male crenulate, ciliated. Labial palpi moderately long, 
terminal joint slender, exposed, hairs of second joint produced beneath into 
an obliquely projecting tuft. Wings in female much abbreviated, incapable 
of flight. Forewings with 12 veins, 8 and 9 stalked. Hindwings with 8 
veins, 4 and 5 from a point, 6 widely remote at origin from 7, 7 and 8 
stalked, cell closed. 
This genus is nearly allied in venation and other respects to the two 
preceding, but is distinguished from all by the abbreviated wings of the 
female ; the palpi also afford a noticeable character, for the long projecting 
hairs of the second joint, instead of being appressed to the terminal joint, 
are sufficiently depressed to form a very distinct oblique tuft, but some 
species of T'hinasotia show traces, though less marked, of a similar structure. 
The larva is of the normal type, and feeds on lichens. Only one species is 
as yet known to me. 
1. Seen. petraula, n. sp. 
Male.—163-20 mm. Head grey-whitish, forehead blackish. Palpi 
blackish, apex of maxillary palpi, and of second and terminal joints of 
labial palpi, grey-whitish. Antenne dark fuscous. Thorax grey-whitish, 
shoulders mixed with blackish, back wholly suffused with blackish. Abdo- 
men ochreous-grey-whitish. Anterior and middle legs black, tarsi with a 
white ring at base of first three joints, middle tibie with a suffused whitish 
median band; posterior tibiw grey towards base and at apex whitish, tarsi 
ochreous-white with a dark grey band on each joint. Forewings triangular, 
moderate or rather narrow, costa very slightly arched, somewhat more 
before apex, apex rounded, hindmargin regularly rounded, oblique ; white, 
