Research on the mosquitoes of Angola - Systematic Catalog of ...
Research on the mosquitoes of Angola - Systematic Catalog of ...
Research on the mosquitoes of Angola - Systematic Catalog of ...
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RIBgIRO, H. & RAMOS, H. Cunha -- <str<strong>on</strong>g>Research</str<strong>on</strong>g> o <strong>the</strong> <strong>mosquitoes</strong> <strong>of</strong> /tngola X<br />
seta with 2 (1-3) branches and seta with about<br />
3 (2-4) branches each side, making a total <strong>of</strong> about 16<br />
(10-22) branches <strong>on</strong> both sides toge<strong>the</strong>r ........................... 12<br />
12 1 Head seta e nearly always with 2-3 branches, very<br />
rarely 4-branched ......................................... bitaeniorhynchus<br />
ethiopicus<br />
--Head seta e usually (in about 75 per cent <strong>of</strong> in-<br />
stances) with 4 or more slightly l<strong>on</strong>ger branches ...... annulioris<br />
13-- Head setae B and C both much shorter than head,<br />
with 2-3 and 2 branches, respectively; siph<strong>on</strong> with<br />
index about 5-6; subventral tufts sparsely plumose,<br />
l<strong>on</strong>gest tufts more than twice diameter <strong>of</strong> siph<strong>on</strong> ... inc<strong>on</strong>spicuosus<br />
Not with this combinati<strong>on</strong> <strong>of</strong> characters ............. 14<br />
Comb composed wholly or partly <strong>of</strong> spines or spine-<br />
like scales ........................................................... 15<br />
Comb composed entirely <strong>of</strong> scales ....................... 22<br />
15-- Siph<strong>on</strong>al index about 4; siph<strong>on</strong> slightly bent upwards<br />
near apex; preclipeal spines short (shorter <strong>the</strong>n half<br />
distance between bases), thick and blackish ........<br />
Index about 4 or more; siph<strong>on</strong> not bent upwards near<br />
apex; preclipeals l<strong>on</strong>ger and thinner, usually also<br />
paler ................................................................<br />
poicilipes<br />
161 Spine <strong>on</strong> dorsal valve <strong>of</strong> siph<strong>on</strong> excepti<strong>on</strong>ally l<strong>on</strong>g<br />
(l<strong>on</strong>ger than diameter <strong>of</strong> siph<strong>on</strong> apex), c<strong>on</strong>spicuously<br />
denticulate towards base ..................... argenteopunctatus kingi<br />
This spine short and inc<strong>on</strong>spicuous, not denticulate 17<br />
17--Comb composed <strong>of</strong> spines, with no admissi<strong>on</strong> <strong>of</strong><br />
scales ...............................................................<br />
--Comb composed partly <strong>of</strong> scales .........................<br />
181 Siph<strong>on</strong> very l<strong>on</strong>g, index at least 10; subventral tufts<br />
single or double and minute, usually much shorter<br />
than diameter <strong>of</strong> siph<strong>on</strong> ....................................<br />
--Siph<strong>on</strong>al index not over 8-9; subventral tufts at<br />
16<br />
18<br />
20<br />
grahami<br />
Estud., Ens. e Doc.- 134 45
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