THE SIMPSONI GROUP

(males of gandaensis, kivuensis and sampi unknown)

47(7). Apical margin of tergum IX with low and slightly separated lateral lobe, each with 8­10 strong setae (Fig. 47 A)................................................................ subargenteus Apical margin of tergum IX with middle deeply concave and with widely separated lateral lobe, each with 3­9 setae (Figs. 45 A,B; 46A,B; 47B; 48A) ............. 48

48(47). Claspette large and broad, reaching to 0.54 of gonocoxite, distal expanded portion square in dorsal aspect, with numerous simple setae on the expanded distal portion and bearing 2 (1­2) stronger, basally widened spine­like setae on the apicomesal angle (Fig. 46 B) ........................................................................................... josiahae Claspette large, long, reaching to 0.75­0.90 of gonocoxite, with numerous simple setae, without any stronger, basally widened spine­like setae on the expanded distal portion (Figs. 45 A,B; 46A; 47B; 48A)............................................................ 49

49(48). Claspette long, reaching to 0.90 of gonocoxite, distal expanded portion long and slender, or broad and lobe­like (Figs. 47 B; 48A) ................................................. 50 Claspette rather short, reaching to 0.75­0.80 of gonocoxite, triangular or subtriangular in dorsal aspect (Figs. 45 A,B; 46A) ............................................................ 51

50(49). Claspette with distal expanded portion long and slender (narrows towards the apex, becomes broader basally), with numerous simple setae on the expanded distal portion (Fig. 47 B) ..................................................................................... woodi Claspette with distal expanded portion broad and lobe­like, with numerous simple setae on the expanded distal lobe (Fig. 48 A,B) ........................................ strelitziae

51(49). Claspette triangular in dorsal aspect, with mesal angle at middle, apicomesal side equal to the length of basomesal side (Fig. 45 B)................................................. lilii Claspette subtriangular in dorsal aspect (Figs. 45 A; 46A) .................................. 52

52(51). Claspette with mesal angle closer to base, apicomesal side much longer than basomesal side (Fig. 46 A) .......................................................................... simpsoni Claspette with mesal angle closer to apex, apicomesal side shorter than basomesal side (Fig. 45 A) .......................................................................................... bromeliae NEW SPECIES OF AEDES ( STEGOMYIA) FROM THE AFROTROPICAL REGION