21 
Genus Myzomyia. 
$ is much paler th^n the 9 > the upright forked scales on 
head are more prominent. The palpi are exceedingly pal<y, there 
are practically no bands ; thorax and abdomen same as in female. 
Legs brown with yellow areas at the joints; fore ungues 
unequal and uniserrated. 
The wing has the same markings as in the female. 
Genitalia .—Basal segment medium-sized covered with light 
brown hairs, apical segment narrow, much curved and ter¬ 
minating in a point. 
Habitat. —D’thala, Hardeba, Sulek, ISTobat, Aden Hinterland, 
(Patton). 
Time of capture .—October to April at Hardeba ; January at 
Sulek. 
Life-history .—Found by Patton breeding in springs and in a 
well, and was found in tents at Nobat. 
The larva has a brown head, dark thorax, body almost black 
with some light mottling. Frontal hairs simple and unbranched. 
rig. 3. 
Myzomyia d’lhali. Patton. 
Palmate hair (after Patton). 
Antennae have a spine on the outer border about midway. 
Cephalic ornamentation same as in Anopheles tibani. Palmate 
hairs extend from first to seventh segment inclusive with modified 
hairs on the thorax. The blade is long with no definite 
shoulders, and is serrated more on one side than on the other. 
The filament is as long as the blade. 
The egg is boat-shaped with a narrow striated frill; it is 
encroached upon by the floats, 
which are well marked, almost 
meeting in the middle line.” 
Patton found this mosquito 
biting freely, and was sure it 
was carrying the malarial para- Pig. 4. 
site, but it was not definitely 0vumofl/ 5S£f Patt ° n 
settled. 
^ A badly damaged specimen was sent me by Patton with 
recales eroded ; it appeared to come near Myzomyia nili, Theobald, 
"but was clearly distinct, owing to the apex of the 9 palpi being 
