28 



THE WHITE-MARKED TUSSOCK MOTH AND ITS PARASITES. 



For g-eneral uccoiint of this insect and the ])arasites atfectino- it see 

 Howard, Tech. series, 5, Div. Ent., U. S. Dept. Ag-ric, 1897. For life 

 history, etc., see Howard, Farmers' Bui. 99, U. S. Dept. Agric, pp. 

 12-20,' 1899. 



THE WHITE-MARKED TUSSOCK-MOTH. 

 Hemerocanijid leucostigma S. & A. 

 (Larva? feed extensively upon fruit and shade trees and often 

 damage shrubs and vines.) 



Exhibit: Pjgg masses, larva, pupa, cocoon, adult, figure, and the 

 following parasites: 



Primary Hymenopterous Parasites. 

 I'hnphi conquisUor Say. 

 Exhibit: Adult, cocoon, and figure. 



Pimjda anmdipes Say. 

 P^xi libit: Adult. 



Pimpla inquisitor Say. 



Exhibit: Adult, cocoon, and figure, 



Apanteles hyphantricT Riley. 



Exhibit: Adult and cocoon. 



Meteorus communis Cress. 



P^xhibit: Adult and cocoon. 



Limncria valida Cress. 



Exhibit: Adult and cocoon. 



Chalcis ovata Say. 

 Kxhihit: Adult. 



Secondary Hymenopterous Parasites. 



DU>v(tchys ItoucJieamts Ratz. 

 (Parasitic on P'nnpla., Meteorus^ etc.) 

 Exhibit: Adult and figure. 



Chalcis debilis Say. 

 (Parasite on Pimpla, Meteorus, etc.) 

 Exhibit: Adult and cocoon. 



Tertiary Hymenopterous Parasites. 

 Asecodes alhitarsis Ashm. 

 (Parasite on Dihrachys.) 

 FjXHIbit: Adult and figure. 



Primary Dipterous Parasites. 

 Trichina mflla Walk. 

 P^xhibit: Adult. 



Frontinn aletiie Riley. 

 Exhibit: Adult. 



