216 



A Monograph of Culicidae. 



" Siphon nearly in same straight line as first seven segments ; 

 eighth and ninth segments curved away, siphon twice as long as 

 broad. 



" Larvae very timid, hurrying to bottom of jar on the slightest 



Fig. 56. 



Larval characters of Howardina walkeri. Theobald (after Grabham). 



a, Labial plate ; b, antenna ; c, siphon ; el, scale of comb ; 

 e, digitate hair from posterior border of 9th segment. 



provocation ; avoid light, are always on dark side of bottle. 

 Length of pupa stage is nearly four days. 



11 The Bromelias in which larvae have beenfound are : Tillandsia 

 utriculata, L., and Caragauta ligulata, Lindl." 



Economic importance. — Beyond biting slightly, little or no 

 economic importance is attached to this uncommon species. 



Howardina aurites. n. sp. 



Head with golden scales in the middle and creamy ones 

 laterally, with two median dark areas and two smaller lateral 

 dark ones. 



Thorax deep black with two median golden lines which unite 

 to form one line behind, and another golden line on each side 



