/' 



C-'C^-V't'-VW^ 



138 R. W. Dawson 



Trichius Fabricius 



1775. Fabricius: Systema Entomologiae, p. 40. 



1876. Horn: "Revision of the United States Species of Ochodaeus 

 and other Genera of Scarabaeidae", Trans. Amer. Ent. Soc, 

 V, pp. 177-197. (Table and descriptivs notes for 6 species). 



1910. Blatchley: Coleoptera of Indiana, pp. 1003-1004. (Table 

 and descriptive notes for 3 species). 



1915. Casey: Memoirs on the Coleoptera, vi, pp. 380-391. (De- 

 scriptive table for 19 forms). 



Trichius piger Fabricius. 



1775. Trichius piger Fabricius, Systema Entomologiae, p. 41. 



Specimens examined : 107 s , 19 $ , from South Sioux 

 City, Omaha, Bellevue, Meadow, South Bend, Nebraska City, 

 Rulo and Lincoln, collected from May 30 to August, feeding 

 in numbers on wild rose blossoms. 



Valgus Scriba 



1790. Scriba: Journal fur die Liebhaber der Entomologie, Frank- 

 fort, pt. i, p. 66. 



1910. Blatchley: Coleoptera of Indiana, pp. 1004-1005. (Table 

 and descriptive notes for 2 species). 



1915. Casey: Memoirs on the Coleoptera, vi, pp. 391-394. (De- 

 scriptive table for 4 forms). 



Valgus squamiger Beauvois. 



1805. Valgus squamiger Beauvois, Insectes recueillis en Afrique 

 et en Amerique, p. 59. 



Specimens examined : 1 5 , from South Bend. The 

 species of this genus are recorded as hibernating beneath 

 mullein leaves and in decaying wood, and later frequenting 

 the flowers of red haw and dogwood. 



244 



