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

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RIBEIRO, 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> -- X<br />

without obvious reddish tint; penultimate segment <strong>of</strong><br />

male palpi with a line <strong>of</strong> white scales beneath .........<br />

--Venter with broad dark apical bands; ei<strong>the</strong>r scutal<br />

scales mainly reddish-brown or scuturn with inter-<br />

mixed pale and brown scales; male palpi all dark .....<br />

chorleyi<br />

in part<br />

44-- Hind femur with <strong>the</strong> apical - <strong>of</strong> <strong>the</strong> anterior<br />

surface dark; scuturn with a pair <strong>of</strong> spots <strong>of</strong> pale<br />

scales about middle; erect scales in middle <strong>of</strong> head<br />

yellowish ...................................................... ornatothoracis<br />

--Hind femur with <strong>on</strong>ly about /5-1/ <strong>of</strong> anterior sur-<br />

face dark; scuturn without spots or stripes <strong>of</strong> pale<br />

scales; erect scales <strong>of</strong> head all or nearly all dark 45<br />

45-- Scutal scales reddish-brown, without admixture <strong>of</strong><br />

pale scales ........................................................ decens<br />

in part<br />

Scutal scales dark brown, without obvious reddish<br />

tint, sometimes some pale scales intermixed ........................ 46<br />

46-- Hind femur with barely distal 1/, <strong>of</strong> anterior sur-<br />

face dark ........................................................... invidiosus<br />

47 m<br />

48--<br />

49--<br />

Hind femur with fully 1/, anterior surface dark ...... trifoliatus<br />

Scales round prescutellar space dark; hind femur with<br />

<strong>the</strong> dark area at tip <strong>on</strong> anterior surface shorter<br />

than broad ....................................................... perfidiosus<br />

--Scales round prescutellar space pale; hind femur with<br />

<strong>the</strong> dark area at tip about as l<strong>on</strong>g as wide or l<strong>on</strong>ge 48<br />

Upper fork-cell scarcely more than twice as l<strong>on</strong>g<br />

as its stem ........................................................<br />

Upper fork-cell 3-4 times as l<strong>on</strong>g as its stem .........<br />

Hind tibia with a pale spot at tip; with two lower<br />

mesepimeral bristles ...........................................<br />

--Hind tibia all dark; usually, <strong>on</strong>ly <strong>on</strong>e lower mese-<br />

pimeral bristle ....................................................<br />

44<br />

per/uscus<br />

telesilla<br />

grahami<br />

42 Estud.. Ens. e Doc.- 134<br />

50

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