The Philippine journal of science. [Vol. 57, no. 1]

57, 2

Baisas: Philippine Mosquitoes, III

175

by the length of ultimate segment, the last two segments scantily
haired. Torus of antenna with prominence; some large scales
of progressively increasing lengths on segment 6; crumpled
scales mixed with short straight ones on 7 to 9; some short,
thickened hairs on 10. Thorax with integument, scales, and
bristles of mesonotum dark brown. Wings dark-scaled. Abdomen dark dorsally and ventrally. Legs mainly dark, undersides
of femora pale.
Male terminalia (see illustration).-Subapical lobe of coxite
with three long, curved blades, two of which are hooked at tips,
one narrow leaf, one fairly straight blade, and three short spines.
A row of six or seven strong, curved hairs on dorsal border of
coxite. Style with a crest of short hairs near apex. Phallosome
with lateral process having a crown of short blunt teeth at apex.
A row of larger teeth along its tergal border. Median process
fairly long, but without definite teeth.
CULEX (MOCHTHOGENES) YEAGERI sp. nov.
Type.-Male (lot R66-xyz).
Cotypes.-Three males. Type and cotypes in the collection of
the Bureau of Health, Manila.
Type locality.-Iwahig, Palawan.
Collector.-F. E. Baisas.
Date of collection.-June 7, 1934.
Habits.-Larva breeds in forest streams; habits of adults unknown.
Distribution.-Known only from the type locality.
Adult (male).-Head with narrow, flat, pale brown scales
confined to nape; upright, forked, dark scales scattered on vertex
and nape; broad, flat, pale scales cover vertex and sides. Proboscis distinctly longer than front femur. Palpi less than onesixth the length of proboscis. Thorax with mesonotal integument and scales pale brown. Wings dark-scaled. Abdominal
tergites dark brown with narrow, pale, apical rings; sternites
dark brown, the posterior ones with pale apical patches in continuation of the tergal rings. Legs mainly dark brown, undersides of femora pale.
Male terminalia (see illustration).-Subapical lobe of coxite
with a broad leaf, several narrow blades, and spines. Style
broad, short, forked. Phallosome with lateral process having a
few short blunt teeth along the internal tergal border. No
median process.