21 



/'""' 





Apanteles lacteicolor, adult female and cocoon. A parasite of the Brown-tail Moth, much enlarged. 



(Bull. 91, U.S. Dep. Agric.) 



(3) Meteorus versicolor, a braconid, has habits like those of 

 Apanteles, but the cocoons swing from long threads. The adults issuing 

 from them attack the large caterpillars for a second generation. Meteo- 

 rus is now widely distributed a(nd\ well established. 



Meteorus venicolor, adult female and cocoons. A parasite of the Brown.tail Moth, much enlarged. 



(Bull. 91, U.S. Dep. Agric.) 



(4) Zygoboth'ria nidicola, a tachinid, has hibernating habits 

 like those of Apanteles and Meteorus. There is but one generation. It is 

 now well distributed and apparently established. 



