180 ILYMENUPTERA FROM SARAWAK. 
men is darker soot coloured; and the antenne and legs are 
piceous. The wings are lighter coloured, wanting the deep 
violaceous tint found in the 9 ; 
Smith (Trans. Ent. Soc. 1874, 269) appears to have had a 
6 with blue hair on the head and thorax. Mr. Shelford’s example 
is only 17 mm. in length. The species is common all over the 
Oriental Region, but no author, except Smith, J. C., has described 
the 4. 
Xylocopa ( Koptortsoma) Sarawakensis, sp. nov. 
Black ; the head, thorax and basal segment of abdomen 
thickly covered with olive-green hair; the 2nd abdominal seg- 
ment with darker olive-green pubescence ; all the tibiae and the 
four front tarsi fringed with long pale olive-green hair ; the hair 
on the hinder tarsi black mixed with dark olive hairs on the 
under side; on the base of the 3rd and following dorsal segments 
of the abdomen are two patches of whitish depressed hair which 
are rounded at the apex; the part underneath them is brown 
and shining ; the apex of the last segment is fringed with whit- 
ish hair. The hair on the ventral segments is black; paler on 
the edges and on the sides of the basa] segments. Wings dark 
fuscous, with a distinct violaceous tinge 4. 
3 Length 22 mm. 
Hab. Matang. 
Flagellum of antenne brownish beneath; the base of the 
scape fuscous. Clypeus closely punctured, a black hair issuing 
from each tubercle; its centre is not keeled ; its apex is smooth, 
shining and raised. Mandibles shining, shagreened in the mid- 
dle to near the apex: they have only one tooth which is long 
and roundly curved on the inner side. The 3rd transverse 
cubital nervure is roundly curved outwardly ; the 2nd recurrent 
nervure is received at fully the length of the 2nd transverse 
cubital nervure from it. The fore femora and tibie are slender ; 
the upper spur is long and curved and below has a broad white, 
rounded at the apex, membranous projection. . The base 
of the hinder femora projects oblique downwards into a stout 
triangular tooth ; in front of this is a shorter, more slender tooth 
which is roundly curved at the apex © The fore trochanters 
project triangularly behind. 
Jour. Straits Branch 
