Classification of the Pyralide. 159 
Genus AmBIA. 
Ambia, W1k., xix., 957 (1859). 
Opistheideicta, Warr., A. M. N. H.(6),v., p. 478 (1890). 
Oligernis, Meyr., Trans. Ent. Soc. Lond., 1894, p. 470. 
Leucogephyra, Warr., A.M.N.H. (6), xviii., p. 219 (1896). 
Palpi upturned, the 2nd joint reaching vertex of head and 
nearly naked, the 3rd long and acuminate ; maxillary palpi filiform 
and of moderate length; frons rounded; legs of moderate 
length, the spurs long and equal. Forewing with the apex 
slightly produced, the outer margin somewhat excised below apex; 
Ambia iambealis, %, + (from Moths Ind., vol. iv.). 
veins 3, 4, 5 usually from angle of cell; 7 straight and well 
separated from 8,9, 10. Hindwing with the apex produced ; the 
outer margin somewhat excised below apex, and with two excisions 
towards anal angle; the inner margin very short ; veins 3, 4 from 
angle of cell; 5 usually from somewhat above angle ; 6,7 from 
upper angle. 
Sect. I. Forewing with vein 11 absent; antenne of 
male thickened and flattened. 
a. Both wings with veins 4, 5 stalked. 
(1). tAMBIA TENEBROSALIS, Hmpsn., Moths Ind., 
1V2,, ps 203 é : : : s . Ceylon. 
b. Both wings with veins 4, 5 from cell. 
(2). AMBIA ALBIPUNCTALIS, Warr., A.M. N.H. Assam, Cey- 
(G))xviljpe202) : ; ; : : lon. 
(3). tAMBIA XANTHOLEUCA, Hmpsn., Moths Ind., Ceylon, Bor- 
iv., p. 203 d é : 5 : neo. 
Sect. II. Forewing with vein 11 present ; 4 from cell. 
A, (Oligernis.) Hindwing of male with no brands or 
fringes of hair beyond lower angle of cell or on 
inner area. 
a. Forewing of male with no glandular swelling on 
middle of costa or fovea in cell. 
(4). tAMBIA COLONALIS, Brem., Lep. Ost. Sib., Amur, N.-W. 
p. 67, pl. 6, fig. 4 . i : 2 ‘ Himalayas. 
