230 
[October 
H. rupamnensis n. sp. % Black with a slight brassy tinge. Head with the 
cpistoma, labruin, and the anterior edge of front brown, the labrum with a 
shining black basal spot in the middle ; mandibles and the labium and its 
lobes pale brown, sometimes brown, all black at tip. Antennse black, the 
second joint and the extreme base of the third varying from very pale brown 
to dark brown. Post-occipital tubercles conspicuous and thorn-like. Dorsum 
of thorax generally more or less tinged with coppery-red, occasionally with 
greenish-brassy, the dorsal carina always black. The humeral suture with a 
broad reddish-brown or dark-brown stripe, straddling the suture on its lower J 
and placed entirely behind it on its upper J. Pleura pale yellowish brown, 
with a short black line above in each of the two sutures before and behind the 
spiracle ; on the segment before the spiracle a black stripe abbreviated below 
and above; on the segment bearing the spiracle a narrower black stripe abbre¬ 
viated above and scarcely attaining the spiracle below; and on the next seg¬ 
ment a still narrower black stripe abbreviated both above and below. Occa¬ 
sionally the ground color of the pleura is much darker and the normal design 
indistinct. Origin of each wing reddish-brown. Sternum pale-brown, gene¬ 
rally more or less pruinose. Abdomen slender, generally with an obscure, late¬ 
ral, pale brown vitta on joints 1—2, and generally with traces of a pale basal 
annulus on four or five of the joints next the base; joint 10 carinate above on 
its terminal half Avith a minute acute tooth at the tip of the carina and another 
on each side of it. Superior abdominal appendages black, half as long again as 
joint 10, obtuse at tip, regularly curved inwards but not downwards, with a 
broad lamina beneath directed inwards and downwards, which, when viewed 
obliquely from above, is seen to be semiovally emarginate, to commence with 
an oblique truncation tipped with a small pencil of hairs at the extreme base 
of the appendage, and to terminate in a square truncation at f the way to its 
tip, the tip of the lamina being as wide as any part of it. Behind its terminal 
truncation this lamina is continued very narrowly to the tip of the appendage 
and is directed downwards. The superior carina of the appendage commences 
from its base without any tubercle, and runs on its upper edge i the way to its 
tip, when it is suddenly deflected inwards and then runs with its edge parallel 
with that of the narrow prolongation of the inferior lamina to the tip of the 
appendage, so that the two together form a shallow cavity inside its tip. Op¬ 
posite the square truncation of the lamina are situated above 5 or 6 minute, 
acute, slender teeth, directed obliquely backwards. Inferior appendages ex¬ 
tending to i the length of the superiors, black, slender, cylindrical, with a basal 
enlargement, regularly curved upwards but not inwards, truncate at tip, and 
with a robust acute thorn directed upwards at the corner of the truncation. 
Legs black,trochanters and coxae pale brown,often pruinose; tibise ‘“'superiorly” 
brown-black ranging to rather pale brown, but never pale-reddish-brown or 
fawn-color. Wings hyaline; front wings with a carmine-red basal spot generally 
attaining the postcostal margin for ^ of its own length, occasionally scarcely 
attaining it except at its extreme origin, thence leaAnng the postcostal margin 
at the distance of i—2 areolets, thence curving round the tip of the quadrila¬ 
teral at a distance of 0—2 areolets, thence following the median sector above 
