28 

 THE WHITE-MARKED TUSSOCK MOTH AND ITS PARASITES. 



For general account of this insect and the parasites affecting it see 

 Howard, Tech. series, 5, Div. Ent., U. S. Dept. Agric, 1897. For life 

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

 12-20, 1899. 



THE WHITE-MARKED TUSSOCK-MOTH. 

 Hemerocampa leucostigma S. & A. 

 (Larvae feed extensively upon fruit and shade trees and often 

 damage shrubs and vines.) 



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

 following parasites: 



Primary Hymenopterous Parasites. 

 Pimpla conquisitor Say. 

 Exhibit: Adult, cocoon, and figure. 



Pimpla annulipes Say. 

 Exhibit: Adult. 



Pimpla inquisitor Say. 



Exhibit: Adult, cocoon, and figure. 



Apanteles hyphantrise Riley. 

 Exhibit: Adult and cocoon. 



Meteorus communis Cress. 

 Exhibit: Adult and cocoon. 



Limneria valida Cress. 

 Exhibit: Adult and cocoon. 



Chalcis ovata Say. 

 Exhibit: Adult. 



Secondary Hymenopterous Parasites. 

 Dibrachys boucheanus Ratz. 

 (Parasitic on Pimpla, Meteorus, etc.) 

 Exhibit: Adult and figure. 



Chalcis debilis Say. 

 (Parasite on Pimpla, Meteorus, etc.) 

 Exhibit: Adult and cocoon. 



Tertiary Hymenopterous Parasite*. 

 Asecodes albitarsis Ashm. 

 (Parasite on Dibrachys.) 

 Exhibit: Adult and figure. 



Primary Dipterous Parasites. 



Tachina mella Walk. 



Exhibit: Adult. 



Prontina aletise Riley. 



Exhibit: Adult. 



