MICROLEPID OPTERA OE NEW GUINEA 
37 
No distinct suffusion in middle or beyond middle of disc, costal markings 
isolated 57 
52. Tomal spot and proterminal streak confluent, so as to form a slender streak 
from tomus to below apex 53 
Tomal spot and preterminal streak distinctly separated 55 
53. Preterminal fascia irregular, with vertical projections to wing edge .... 
argentea spec. nov. 
Preterminal fascia well-defined, conspicuous 54 
54. A large black patch on posterior half of costa to below cell, a brownish-ochreous 
streak in cell orphnina spec. nov. 
A curved suffused streak in disc encircling conspicuous white discal scale-tuft, 
not connected with costal patch glaucops spec. nov. 
55. Discal suffusion limited to a moderate patch beyond cell connected with costal 
patch and, less distinctly, with middle of dorsum . . .cuspidata spec. nov. 
Discal suffusion also extending over cell 56 
56. Fore wing elongate-subtriangular, rather narrow; preterminal streak narrow 
lithodes spec. nov. 
Fore wing subtriangular, broad; preterminal streak rather broad, lower end 
subclavate ophiodora spec. nov. 
57. Markings formed only by a fine retination or strigulation, paler towards dorsum, 
darker towards costa 58 
Markings formed by a retination as well as by more or less isolated distinct 
patches and spots or dark points 60 
58. Fore wing pale bran-coloured, with a fine pale fuscous strigulation, and a row 
of minute blackish costal dots velutina spec. nov. 
Fore wing with costal markins hardly darker 59 
59. Fore wing evenly finely strigulated and retinate with light fuscous, gradually 
darker in diso posteriorly infuscata spec. nov. 
Fore wing with palo fuscous strigulation, tending to coalesce and form usual 
costal and preterminal markings farinata spec. nov. 
60. Very small species, 14 — 15 nun, with narrow elongate subtriangular fore wing 61 
Moderate species with broader elongate-triangular or subovate fore wing, if 
small (16 mm), then base of costa darkly suffused 62 
61. Irregularly sparsely speckled with black throughout . . .subtilis spec. nov. 
A row of costal dots, two elongate marks in disc, and one above base of dorsum 
vana spec. nov. 
62. Finely and densely iirorated with greyish-fuscous, edge of wing suffused with 
darker greyish-fuscous, moderate darker spots on x / 2 and 3 / 4 of costa, and a 
black point on closing vein oligosema spec. nov. 
Not thus 63 
63. Preterminal spot erect-ovate, narrowly blackish-edged, well-defined through- 
out 64 
Preterminal spot or mark not ovate, partially or entirely suffused or 
indefinite 65 
64. Preterminal spot greyish-brownish, little constricted . . phloeotis spec. nov. 
Preterminal spot chestnut-brownish, rather narrow, stronger constricted . . 
sufflava spec. nov. 
65. Preterminal mark furcato 66 
Preterminal mark not. furcato or indefinite 70 
66. Preterminal mark witli anterior arm two times or more longer than posterior 67 
Preterminal mark with anterior arm not so much longer than posterior 68 
67. Preterminal mark with anterior arm reaching costa, costal dots not darker 
than other markings conioplegma spec. nov. 
Preterminal mark not reaching costa; costal dots distinctly darker than other 
