126 
the extreme lower margin of these cells. The 
costal band is brown and extends just a short 
distance below vein R3, terminating almost 
half way between the apex of vein R4+5 and 
the tip of Mi+ 2. The section of cell R just 
above cell M is yellow-fumose and densely 
covered with micro trichia; the section di- 
rectly above the base of vein M3 +4 is bright 
yellow. The cubital streak is yellow-brown 
and is moderately broad. It fills all of the basal 
portion of cell M4, extending to the top mar- 
gin of the m-cu crossvein. The yellowish 
coloration extends to about the apex of the 
cubital cell in the male and half the distance 
from the apex of the cubital cell to the wing 
margin in the female. Just above vein Cui+ 
1st A is a dense clump of long dark gray to 
blackish hairs. Below this vein, filling the 
apical part of the 1st anal cell, is a dark 
gray to blackish spot produced by a great 
abundance of closely placed microtrichia in 
that portion of the wing. Vein Cui+lst A is 
over two times longer than the narrowed 
portion of the cubital cell in the female. 
It is just slightly longer than the r-m cross - 
vein. In the male, vein Cui+lst A is dis- 
tinctly less than half the length of the nar- 
rowed portion of cell Cu and is three-fourths 
as long as the r-m crossvein. The super- 
numerary lobe is distinct in the male. 
Abdomen: Chiefly rufous, with a black, 
longitudinal vitta down the middle of terga 
3 to 5, a transverse band of black across the 
base of the third tergum and discolorations 
of brownish to black on the sides of terga 
3 to 5. The second tergum also has a narrow 
brown to blackish basal band in some of the 
specimens. The males have a row of long 
black hairs on each side of the third tergum. 
Ovipositor: Comparatively long and con- 
spicuous. In the average specimens the ex- 
posed portion of the ovipositor is equal in 
length to the last three abdominal segments. 
The basal segment of the ovipositor (seg- 
ment 7), as seen from above, is one-third 
longer than the fifth tergum. When fully 
extended (Fig. Ad) the ovipositor, including 
PACIFIC SCIENCE, Vol. V, April, 1951 
Fig. 4, Dams (Damius) murrayi (Perkins): a, female 
ovipositor, full length; b, apex of ovipositor; c, scales 
of the rasper. 
the basal segment, measures approximately 
6.8 mm. in length. The piercer (aculeus) is 
2.1 mm. long by 0.14 mm, wide at its widest 
point. The piercer is gradually tapered be- 
yond the apex of the oviduct into a slender 
point and possesses four pairs of subapical 
setae. The two pairs nearest the apex are two 
times longer than the more basally situated 
