Research on the mosquitoes of Angola - Systematic Catalog of ...

RIBEIRO, H. & RAMOS, H. Cunha -- <strong>Research</strong> on the mosquitoes o[ Angola -- X
Our female was caught when biting man in the Lombe River margins,
at dusk (7.00 p.m.). This mosquito had already been recorded as
biting man by Mattingly & Lips (42), in the Lubumbashi area. We may
say that in Angola, C. aurantapex ]in]aensis is a relatively rare mosquito
more liable to occur in the Highland Zone (Map 3) and readily biting
man in the outside.
7.5.5- Culex (Culex) bitaeniorhynchus Giles, 1901
The only known Angolan record of C. bitaeniorhynchus is that from
Lobito by one of us (13). Following Sirivanakarn (52), the Angolan bitaeniorhynchus
population seems to be closer to form domesticus, as judging
from the published photomicrograph of the male terminalia (Ribeiro,
op. cit., Fig. 3). C. bitaeniorhynchus was seen to bite man in Lobito, such
as it was found by Hamon (37) in the Upper Volta.
No bitaeniorhynchus specimens ware caught by the present writers.
7.5.6- Culex (Culex) chorleyi Edwards, 1941
New record for Angola.
MATERIAL EXAMINED. CAALA, 1 9, 3 8 plus 6 larvae, 13.V.1970;
CARIANGO, 5 9, 7 8, 7 larvae, 14.X.1969; CUANDO, 1 9, 1 8, 3 larvae,
18.V.1970; EBANGA, 3 larvae, 17.IX.1970; HUAMBO (= Nova Lisboa), 7 larvae,
14.IV, 13.V and 14.X.1970.
TAXONOMIC NOTES. Our adults of chorleyi are much as described
by Edwards (8), though in some specimens a few (1-5) pale pre-alar scales
may be present on one or both sides of thorax and the pale bands of
tergites are sometimes reduced or even practically absent. It is also to be
noted that the length of the yellowish spot at tip of hind tibia is markedly
variable, sometimes being even shorter than long.
In that concerns male terminalia, most specimens are in quite good
agreement with the description by Edwards (8). In the males from Cariango,
however, there are a few small teeth in the outer division of lp
and some slight differences in the shape of the lobe of coxite and of
its appendages.
74 Eslud., Etts. e Doc.- 134