Scarabaeidae of Nebraska 121 



Warbonnet and Monroe canyons in Sioux Co., collected dur- 

 ing the month of June. Truncata is a common western 

 species reaching the state from that direction. 



Macrodactylus Latreiile 



1825. Latreiile: Families naturelles du regne animal, p. 271. 



1856. Le Conte: "Synopsis of the Melolonthidae of the United 

 States", Journ. Acad. Nat. Sci. Phila., (2), iii, pp. 225-288. 

 (Descriptive notes on 3 species). 



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 descriptive notes for 3 species). 



1910. Blatchley: Coleoptera of Indiana, pp. 953-954. (Descrip- 

 tions for 2 species). 



Macrodactylus subspinosus Fabricius. 



1775. Melolontha subsinnosus Fabricius, Systema Entomologiae, p. 

 39. 



Specimens examined: 61 c? , 64 9, from West Point, 

 Scribner, Neligh, Halsey, Broken Bow, Keya Paha Co., 

 Valentine, Cherry Co., 'Tine Ridge", Imperial, Ogallala 

 and Ainsworth, collected from June 3 to July 5. This is 

 a destructive and widely distributed species, occurring 

 abundantly during June and early July in central and west- 

 ern Nebraska. 



HopLUNi 



Body more or less covered with yellow, brown or silvery 

 scales; abdominal segments closely united; tibiae with only 

 one spur; hind tarsi with a single large claw; front coxae 

 large and prominent; larbum concealed beneath the cly- 

 peus. 



Hoplia lUiger 

 1803. Illiger: Magazin fiir Insectenkunde, ii, p. 226. 



227 



