FAM. ALEYRODID^ 



EXPLANATION OF PLATES 

 Plate i 



1. Aleyrodes mori, Quaintance. Pupa case. 

 la. Aleyrodes mori, Quaintance. Egg. 



lb. Aleyrodes mori. Quaintance. Antenna of adult. 



2. Aleyrodes citri, Riley & Howard. Pupa case. 



3. Aleyrodes citri, Kiley & Howard. 



a) Showing general structure of pupa case; 



b) Portion of cephalo-lateral margin with pore 

 (■) X'asiform orifice. 



4. Aleyrodes ahiitilonea, Haldeman. Pupa case. 



5. Aleyrodes alndilonea, Haldeman. Pupa case 



a) Showing general structure of pupa case. 



b) Portion of caudo-lateral margin; 

 <•) \'asiform orifice. 



Plate 2 



6. Aleyrodes abntilonea, Haldeman. Adult female. 



7. Aleyrodes pergandei, Quaintance. Pupa case, covered with white waxy secretion. 



<S. Aleyrodes pruinosus, Bemis, Adult male, showing general structural characters. (After Bem 

 9. Aleurochiton aceris, GeoftVoy. (After Tul Igten.) 



a) Wing venation ; 



b) Claw of adult ; 



c) Vasiform orifice adult 9 : • 



d) \'asiform orifice pupa case. 



0. Alenrodhus cucois, Curtis. Group of pupae on leaf, showing copious white waxy secretion. 



1. Aleurodicus cocois, Curtis. Structural details. (After Riley & Howard.) 



a) Adult female; 



b) Antenna of same ; 



c) Claw of same ; 



d et e) .Abdomen of male showing genitalia ; 

 /) Pupa case, dorsal view; 

 /') Compound pore of same: 



g) Vasiform orifice, showing operculum, and large exserted lingula ; 



h) Margin of pupa case ; 



;') Pupa case, ventral aspect. 



Washington, Ü. S. A., Sept. iS. 1908. 



