8o 



SPECIES OF ANOPHELIN^ 



[CH. 



Theobald. 

 James. 



James and Liston. 

 Theobald. 



Markings. Wings. Unspotted. 

 Palps. Unbanded. 

 Legs. Entirely unornamented. 

 Scala sti'uclure. Head scales narrow and linear, not expanded as 

 in all other Anopheles. No scales on pro- 

 thorax, mesothorax or abdomen. 

 Species. 



A . nimba, 

 A. aitlieiii 

 A. culiciforniis. 

 A. covethroides. 

 Synonymy. 



A. pallida. Ludlo\v = .-J. aitkeni (James). 

 A. fragilis. Theobald = /J. aitkeni (James). 

 A. Ircacheri. Leicester = .4. aitkeni {]ames). 



Differentiation uf species. 

 Thora.x adorned. 



Silver}' median and lateral lines .. A. nimba. 



No silvery lines . . . . . . . . A. covethroides. 



Thorax not adorned. 



Anterior forked cell "\-ery long . . . . A . aitkeni. 



Anterior forked cell not unusually long A. ciiliciformis. 



Group 2. Second segment of female palps not disproportionately long, 

 terminal segment not less than half length of penultimate 



(ortliodact5'lous). 

 {An.oplielesMeii^eu,sens:i. James. Typespecies^. maculipennis. Meigen.) 



1 



Fig- 33- Anopheles bijurcatus. (Group 2.) 



General characters of group. 



Appearance. Attitude Anopheles-\ike. Jlostly large species with 

 thin palps and slender limbs. 



