25. Basal lobe with membranous hair-bearing portion 



that, from the ventral aspect, is hidden behind a 

 projecting ventral shoulder (Fig. 98) and that 



projects ventromesad (Fig. 98A) abserratus 



Basal lobe with membranous hair-bearing portion 

 that is well exposed from the ventral aspect and 

 is without a projecting ventral shoulder (Fig. 

 94, 96) 26 



26. Apical lobe of basistyle moderately narrow and 



forming a somewhat angulate mesa! flange (Fig. 



86) campestris 



Apical lobe of basistyle large and ovate (Fig. 94, 

 96) 27 



bars; costa with a white bar only at apex of wing: 



palp dark but with white bands (Fig. 60) 



crucians 



Anal vein with extreme base and most of apical half 

 black and with a single white area between; costa 

 with an apical white bar and usually also a pre- 



apical bar; palp black, unhanded (Fig. 59) 



punaipennis 



Tip of wing with a patch of silvery or golden fringe 

 scales; dark wing spots very pronounced. . .earlei 



Tip of wing with fringe not different from remain- 

 der; dark wing spots either pronounced or obscure 

 4 



I02C 



QUADRIMACULATUS 



Fig. 101-102. — Anopheles, male genitalia: A. phallosome: B. claspettes; C. ventral aspect of entire structure. Ahhreviations: D-L, 

 dorsal lobe of claspette; V-L. ventral lobe of claspette; Bs. basistyle: Cl. claspette; Ds. distisrjle: IXT, ninth termite; PB-S. parabasal sp;ne; 

 Ph, phallosome; P-IXT, process of ninth tergite: PR. proctiger. (After Ross & Roberts 1943.) 



27. Claspette with base of filament sharply bent so that 



most of the filament forms a right angle with 



the stem (Fig. 99C) communis 



Claspette with base of filament not bent, the filament 

 forming an obtuse angle with the stem (Fig. 94C 

 96C) 28 



28. Basal lobe with abundant long hairs which form a 



thick brush (Fig. 94D ) ; apical lobe with a few long 



hairs on mesal face ( Fig. 94 ) fitchi 



Basal lobe with sparse and moderately short hairs; 

 apical lobe with abundant hairs on mesal face 

 (Fig. 96) punctor 



Key to Species of ANOPHELES (Males) 



1. Wing with 1 or more bars ot white or yellowish 



white scales along anterior margin and anal vein 



(Fig. 59, 60) 2 



Wing without any pale patches, all scales dark (Fig. 

 61) except sometimes apical fringe scales 3 



2. Anal vein with 3 short dark bars separated by white 



4. Palp black but \\ith rings of white scales at joints 



(Fig. 62) walkeri 



Palp entirely black and without white rings (Fic 

 61) ^. ... ..'5 



5. Phallosome without leaflets at apex (.Fig. lOM); 



wing length under 3.'^ mm barberi 



Phallosome with a cluster of leaflets at apex (Fig. 



102/J); wing length over 35 mm 



quadrimaculatus 



Key +0 Species of CULEX (Males) 



1. Basistyle globular and short; siibapical lobe, c. divided 



into two or three individual long stalks (Fig. 110/4. 



IIM) 2 



Basistyle elongate, tapering at apex: subapical lobe. c. 

 only slightly, if at all, subdivided ( Fig. 103/i. 105/4, 

 109/! )\ . .3 



2. Dististyle narrow and only slightly curbed; subapical 



lobe, c, with upper stalk slender, leaflet regular in 

 shape and of moderate size (Fig. 111/!) . erraticus 



22 



