
EXPEDITION TO SOKOTRA : NEW SPECIES. 23 
the lower border, and more narrowly on the ‘sides, proboscis pale yellow on 
the basal half, and with the apical half reddish. Antenne with the scape 
yellow beneath, and black above, except at the extremity ; flagellum blackish 
above, more or less reddish at the joints, and reddish beneath, except for a 
short longitudinal line at the base. Pronotum thickly and finely punctured, 
black, clothed with greenish grey hair, which is longer and whiter on the 
hinder borders. Abdomen more coarsely punctured than the thorax, the 
pubescence scanty, except at the base. Legs yellow or reddish, the femora 
above and below, the tibie and the two first joints of the hind tibiz lined 
above with black. Front tarsi with a row of very long pale yellow bristles, 
tipped with black. Wings clear hyaline. 
Six specimens. Abd-el-Kuri, 22. II. 99. 
Sphex, Linn. 
(24) Sphex granti. 
3. Long. corp. 15 mm. ; long. al. ant. 1] mm. 
@. Long. corp. 22-25 mm. ; long. al. ant. 14 mm. 
Head, thorax, and petiole black, clothed with long white pubescence, 
which is silvery white on the clypeus and hinder orbits ; abdomen fulvous, 
the basal segments and incisions exhibiting a fugitive silvery pile ; segments 
3 to 5 with more or less extended transverse black spots over the sutures. 
Head broader than the thorax, clypeus much widened below the eyes, anterior 
margin transverse, hardly notched in the middle, thorax punctured, scutellum 
and postscutellum with a smooth transverse elevation in the middle, median 
segment closely and regularly longitudinally striated from side to side, and 
with a strong conical tooth on each side a little before the middle ; abdomen 
smooth and shining, terminal segments of female rather long. Wings 
hyaline, slightly darker towards the tips ; nervures piceous. 
Ten specimens. Abd-el-Kuri, 22. Il. 99. 
Vespide. 
Vespinz. 
Icaria, Saussure. 
(25) Icaria aterrima. 
Long. corp. 7 mm. ; long. al. ant. 5 mm. 
Female. Deep black, without a trace of any other colouring ; head and 
thorax thickly and closely punctured, the mesonotum more finely than the 
rest ; abdomen more sparingly, especially behind, clypeus longer than broad, 
strongly bifid at the extremity, median segment furrowed down the middle, 
and terminating in two small teeth, petiole rounded in front, raised part not 
longer than broad. Wings deep purple. 
Two specimens. Abd-el-Kuri, 22. II. 99. 
Anthophila. 
Andrenide. 
Colletes, Latreille. 
(26) Colletes inconspicua. 
Long. corp. 8 mm. ; long. al. ant. 5 mm. 
Female. Black, thickly clothed with yellowish grey hair, except on the 
