rere) 
O87 
39. 
40. 
EXPLANATION OF PLATE IV. 
Aleurodes persex. 
Pupa-case. 
Vasiform orifice, operculum, and lingula of pupa-case. 
Portion of margin of pupa-case. 
Aleurodes quercus-aquatice. 
Pupa-case. 
Portion of margin of pupa-case. 
Outline of vasiform orifice, with the surrounding fluted rim. 
Fore-wing of adult. 
Aleurodes spirxoides. 
Pupa-case. 
Portion of margin of pupa-case. 
Vasiform orifice, operculum, and lingula of pupa-case. 
Fore-wing of adult. 
Hind-wing of adult. 
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