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> <strong>on</strong> <strong>the</strong> <strong>mosquitoes</strong> <strong>of</strong> <strong>Angola</strong> m X<br />
50-- Venter pale, unbanded (a few dark scales may be<br />
present <strong>on</strong> distal margins <strong>of</strong> sternites); proboscis<br />
pale beneath ................................................ weschei gediensis<br />
--Venter with dark apical bands; proboscis all dark 51<br />
511 Propleura with numerous scales; sternopleural scales<br />
more numerous, <strong>the</strong> two patches almost joined ... guiarti sudanicus<br />
--Propleura with few scales; <strong>the</strong> two sternopleural<br />
scale-patches smaller and well separated .................. ingrarni<br />
Key to Fourth Instar Larvae ()<br />
1- Mouth brushes modified (predacity) ....................... tigripes<br />
--Mouth brushes unmodified .................................. 2<br />
2--Siph<strong>on</strong> with prominent apressed spines near apex ...<br />
--No such spines present .....................................<br />
--Siph<strong>on</strong> with a bend towards <strong>the</strong> dorsal side near<br />
apex; 2 pairs <strong>of</strong> single or bifid subventral tufts ....<br />
Siph<strong>on</strong> straight; 3-4 pairs <strong>of</strong> subventral tufts near<br />
always with 2 or more branches .........................<br />
--Spines near apex in a ventral group <strong>on</strong>ly; siph<strong>on</strong> in-<br />
dex 8-14 (2) .......................................................<br />
--Spines ei<strong>the</strong>r in a dorsal group <strong>on</strong>ly or both dorsal<br />
and ventral; index 6-8 ........................................<br />
--Siph<strong>on</strong> swollen and str<strong>on</strong>gly bilaterally c<strong>on</strong>vex to-<br />
wards middle .....................................................<br />
--Siph<strong>on</strong> not str<strong>on</strong>gly swollen towards middle, at most<br />
unilaterally c<strong>on</strong>vex ............................................<br />
toroensis<br />
ingrami<br />
chorleyi<br />
(D The larvae <strong>of</strong> Culex (C.) ornatothoracis, Culex (E.) quintetti, Culex (C.)<br />
toroensis macrophyllus and Culex (C.) watti were not described.<br />
(2) All <strong>the</strong> figures <strong>of</strong> siph<strong>on</strong> indices in <strong>the</strong> key are in accordance with our<br />
mounted material.<br />
Estud., Ens. e Doc.- 134 43
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