OF WASHINGTON, VOLUME XIII, 1911. 51 



Hyperodes vittaticollis Kirby (Macrops). 



On cotton (Gossypium} April 8, 1904 (Walker). 

 Hyperodes ulkei Dietz (Macrops). 



April 23, 1907 (Mitchell). 



CLEONIKE. 

 Lixus musculus Say. 



November 1, 1907 (Mitchell). Bred from Polygonum 

 punctdtuva. and P. portoricense stems. September 20, 1910 

 (Mitchell). 



Lixus scrobicollis Boheman. 



Breeds abundantly in the stems of Ambrosia trifida, mating 

 in July, breeding from thence on, and hibernating in the cells 

 in the stems (Mitchell). Breeding in stems of Verbesina vir- 

 ginica, June 11, 1907 (Cushman); December 29, 1908 (Mit- 

 chell). On April 1, 1905, Dr. W. E. Hinds, isolated 15 para- 

 sites of this weevil found in stems of Ambrosia psiloslachy a, 

 which proved to be Glyptomorpha rugatorS&y and Horismenus 

 lixivorus Crawford. From a lot of stems collected December 

 12, 1908 (Mitchell and Cushman), 154 parasites were isolated 

 and bred out during the following spring. These parasites 

 were Horismenus lixivorus Crawford, Glyptomorpha rugator 

 Say, Cerambycobius cyaniceps Ashmead, Neocatolaccus tylo- 

 dernuz Ashmead, Eurytomd lylodermatis Ashmead, and 

 Sigalphus curculionis Fitch. During the winter of 1909- 

 1910, 439 parasites were isolated (Mitchell), which belonged to 

 these same species, and also a few specimens of Ptinobius 

 magnificus Ashmead (Pierce). 



Dorytomus parvicollis Le Conte. 



Bred from willow (Salix} catkin, March 6, 1908; at light 

 May 4, 1905 (Mitchell). Bred Sigalphus curculionis Fitch, 

 April 11 (Pierce). 



Lissorhoptrus simplex Say. 



The rice weevil has been taken on Baptism, March 30, 

 1905 (Hinds); breeds in the roots of rice {Oryza saliva) and 

 other water vegetation; flies to light (Mitchell). 



Endalus aeratus Le Conte. 



At trap lantern in cotton field, October 1, 1897 (Mitchell); 

 May 30, 1905 (Yothers). 



