158 
green, the axillae and scutellum not much duller than the mesoscutum; 
pronotum and pleura darker than in flavipes, the purple luster on the 
latter rather strong, propodeum shining, metallic brownish as in flavipes; 
abdomen the same as in flavipes except that the metallic luster is greatly 
diminished; antennae dark brown or fuscous, the scape except at base 
suffused with yellowish, and the last two funicle joints dusky yellow; 
legs yellow as in flavipes, but the hind tibiae are fuscous except at base 
and apex; wing markings as in flavipes. 
Length of body, 1.11; length of head, 0.426; width of head, 0.419; 
thickness of head, 0.273; least width of frontovertex, 0.064; width of 
mesosecutum, 0.351; length of forewing, 0.469; width of forewing, 
0.191 mm. 
Described from two females (holotype and paratype), col- 
lected along the trail on. Kaumuohona, Oahu, January 7 and 
September 9, 1917 (Timberlake). 
Aulonops n. g. 
Closely allied to Hypergonatopus and differing chiefly in the shape 
of the head, and particularly of the face. Outline of the head as seen 
from above semi-circular, as seen from the side triangular with the dorsal 
and facial sides about equal, their planes meeting in a somewhat acute 
angle, the dorsal outline moderately convex and the facial side con- 
cave; as seen from in front, the head is considerably wider than long, 
the dorsal surface strongly rounded from side to side, the cheeks from 
a short distance below the eyes converging sharply to the broad and 
emarginate oral margin; occiput rather deeply concave; eyes moderately 
Fig. 12. Aulonops bifasciata. Mandible of female, anterior view. 
large, broadest anteriorly and almost touching the oecipital margin 
behind; frontovertex about thrice as long as wide, and with a small 
fovea at each posterior corner; cheeks rather short and strongly narrow- 
ing towards the mouth. 
Face considerably inflexed and with a deep transverse scrobal impres- 
sion suggestive of the conditions found in Chrysoplatycerus, but here 
the angle between the face and the frons is well rounded off, and the 
angle between the anterior and posterior face of the impression is 
obtuse; as seen in frontal view of head the outline of the impression 
is nearly square except that the anterior corner of the square is strongly 
truncated by the mouth; posterior face of the impression is furthermore 
concave from side to side and has two narrow, shallow, longitudinal 
furrows near the middle to receive the scapes at rest; anterior face of 
the impression is much smaller and composed for the most part of the 
ee a 
