34
be described as unbanded, although the apices of some of the segments may
occasionally show small white markings.
The wing markings are shown in the diagram. It should be noted that the
third longitudinal vein is black scaled throughout its length, and that, includ-
ing the white apical spot, there are only three white patches on the wing fringe.
Characters of the larva (Fig. 14).—Both the median and external frontal
hairs are simple and unbranched. There is a pair of palmate hairs on all
the abdominal segments and on the thorax, but the thoracic pair are not so well
developed as in A. Fluviatilis or A. Jeyporiensis, and the terminal filament
of each leaflet is longer than in either of those larvæ.
The head pattern also differs from that of both the above larvæ (see
figure).
[NLS note: a graphic appears here - see image of 75022517.tif]
Fig. 14.—Larval characters of A. Culicifacies.
Habitat and observations.—This mosquito is widely distributed in India.
We have found it in the Punjab (Lahore, Mian Mir, etc.), Madras and several
places on the East Coast (Ennur, Armagaon, etc.), the Central Provinces (Nag-
pur, etc.) and in the Jeypur State. It has also been recorded from the Berars
(Ellichpur) and from other parts of India.
In the Punjab it appears to have no special seasonal prevalence, and its
larvæ can be found in the irrigation canals throughout the year. The adults
are found in the houses as soon as the weather become swarm enough for the
larvæ to develop. Its prevalence in fact coincides rather with the changes
which occur in the flow or stoppage of the irrigation canals (in which it breeds
almost exclusively in the Punjab), than with any particular season.
At Ennur, near Madras, I found it breeding chiefly in the clear pools by the
side of the railway "borrow pits," and it has also been found breeding in
pools in the bed of a river.
The adults are peculiar in that they do not adopt the characteristic attitude
of other anopheles when resting on a wall or roof, but sit more or less like a