Occasional Papers of the Museum of Zoology 17 



*Derceocoris histrio (Reuter). — One individual came to the 

 light at Devils Lake, August 8. 



*Orectoderns obliquus Uhler. — Two of the myrmiciform 

 females of this species were collected at Devils Lake, July 19 

 and 23. (Determined by Knight.) 



^Coquilletia insignis Uhler. — Several individuals of both 

 sexes were brought from Amidon. The majority of them 

 were found on the buttes south of the town. (Determination 

 verified by Knight.) Uhler (1890, p. 79) listed the species 

 from "Dakota." 



*HyaIiodcs vitripcnnis (Say). — Five specimens from the 

 Turtle Mountains, August 4, swept from undergrowth in a 

 thick stand of second-growth aspens and balsam poplars. 



Strongylocoris slygicus (Say). — A good series of specimens 

 was secured at Bottineau, the Turtle Mountains, and Devils 

 Lake. Uhler (1878, p. 507) records the species from Pem- 

 bina. 



'''Pilophorus claz'atiis (Linne). — One specimen was taken 

 from the grasses in a dry creek bed at Bottineau, August i. 

 (Determined by Knight.) 



*Ceratocapsus pumilns (Uhler). — A number of specimens 

 were collected at Devils Lake. Most of these came to the 

 light during the warm evenings in early August; and the 

 remainder were swept from low shrubbery and undergrowth 

 in tlie woods. (Determined by Knight.) 



■'Lopidca instobilis (Reuter). — Taken at Amidon on rose 

 bushes, at Devils Lake on Fraxinus, and at the Sheyenne 

 River. (Determined by Knight.) 



Lopidea media (Say). — Miss Olson took two females of 

 this species at Williston, July 24. (Determined by Knight.) 



