258 



MUSEO XACIONAL DE BUENOS AIEES- 



Anopheles tiicumanus se distingue con facilidad de CeUia. 



Me parece iitil recordar aquí la diagnosis del género Cellia tal 

 como la dio el Profesor Theobald, en su Monografía (vol. iii, 

 pág. 107). 



Tliorax witli fíat spindle-sliaped scales; abdomen more or less 

 covered with long narrow-curved or spindle-shaped scales irregii- 

 larly disposed and witli dense lateral tufts; palpi of $ densely 

 scaly; wing scales large, bluntly lanceolate, wings densely scaled, 

 Easely told by their dense coating of irregular scales, totally unlike 

 a typical Anopheles. 



Restringiendo por otro lado el género: Anopheles, que quedó ca- 

 racterizado del modo siguiente : 



Thorax and abdomen clothed witli hair-like curved scales, prac- 

 tically hairs : tlie palpi of the f emale tliin not densely scaled, gene- 

 rally unbanded. AYing veins covered with long lanceolate scales, 

 wliich may or may nct form spots but which, if present, are never 



