AFRICAN SPECIES OF ANOPHELES 



243 



Anopheles (sensu restricto) occldentalis, Dyar and Knab. Palpi, ab- 

 domen, and legs, brown. Thorax with a broad band on dorsum, cut 

 across by three narrow stripes. Wing with four black spots. From 

 California, San Diego, and Oregon. 



Anopheles (sensu restricto) atropos, Dyar and Knab, and Anopheles 

 (sensu restricto) quadrimaciilatus, Say, are probably only varieties of 

 A. maciilipennis. 



In addition to the above, A. maculipennis, A. bifurcatus, and 

 A. nlvipes are found in parts of North America. 



AFRICAN SPECIES OF ANOPHELES 



EDWARD'S KEY TO THE SPECIES 



1. Thorax with distinct broadish-elliptical scales (except in 



A, christy i) ; female palpi shaggily scaled ; abdomen usually 

 more or less scaly ........ 



Thorax clothed with hairs, or narrow almost hair-like scales ; 

 scales of female palpi usually appressed ; abdomen with- 

 out scales on the dorsal surface ..... 



2. Abdominal scales obviously present on all the segments . 

 Abdominal scales absent, or if present, confined to the terminal 



segments (' Nyssorhynchus ') . 



3. Abdominal scales forming distinct projecting lateral tufts 



(Nyssorhynchus, \_ = Cellia]) ....'. 



Abdominal scales not forming tufts (Neocellia) 



4. Last joint of hind tarsi light, or at least light-tipped 

 Last joint of all tarsi entirely dark . 



5. Last joint of fore and mid tarsi all dark ; rather light yel- 



lowish species (5 to 6 mm) . ... . . 



Last joint of fore and mid tarsi light or light-tipped ; smaller, 



less yellow species (4. 5 mm. or less) .... 



6- Last joint of all tarsi wholly yellow ; remaining joints 



regularly ringed with black and yellow ; very small species 



(3 mm) .......... 



Last joint of all tarsi white tipped ; remaining joints not 



ringed ; larger species . . . . 



7. Hind tarsi entirely dark ....... 



First four joints of hind tarsi with equal white rings . . 



8. Last tarsal joint white ; small species (3.5 mm) ; Egyptian 

 Last tarsal joint not white ; large species (7 mm) ; East 



African . . . . . 



9. Hind tarsi entirely dark ; three white palpal bands in female, 



the first two narrow .... . . . 



Last two or three joints of hind tarsi white 



10- Four narrow white palpal bands ; wing scales lanceolate ; legs 

 spotted ............ 



13 

 3 



pharoensis. 



cinctus. 



jacobi. 



argenteolobatus. 

 squamosus. 

 maculicosta. 



christyi. 



brunnipes. 



10 



aureosquamiger 



