142 JOHN HAMILTON, M. D. 



364. Endecatomus reticulatus Hbst. 



Probably introduced from Europe into the Southern States, Horn 

 (P. Am. P. xvii, 540. Central and southern Europe. Eastern Si- 

 beria. Heyden, 131 ; Heyden, 1886. 



365. Dinoderus substriatus Payk. 



This species appears to be native, and occurs particularly in the 

 northern States and Canada, Hoim (1. c. 549). Northern Michigan 

 and Veta Pass, Col., at 9400 feet, Schwarz; Canada (various collectors), 

 abundant in Alaska. Europe. The governmentij of Tomsk and 

 Irkutsk, west and east Siberia. Heyden, 131 ; Mann., 1853, 



366. D. {Rhizopertha) pusillus Fah. 



Dr. Horn states : " This insect appears to be cosmopolite, having 

 probably been distributed in articles of commerce. Numerous speci- 

 mens were observed in the wheat at the Centennial Exposition. It 

 probably occurs over our entire country, as I have specimens from 

 Arizona," 1. c. 550. 



SCARAB.EID.E. 



367. Onthophag-us nuchicornis Linn., rhinoceros Mels. 



Melsheimer took this European species in Pennsylvania, and it is 

 known to occur in New Brunswick, Rhode Island and the Magdalen 

 Islands in the Gulf of St. Lawrence (Henshaw, Can. Ent. xix, 160). 

 It also occurs in western and southeastern Siberia. Heyden, 103. 



Obs. — O. ovatus Linn. The species in our literature so named is 

 pennsylvanicus Harold. 



368. Aphodius fossor Linn. 



" Introduced from Europe into the New England States and 

 Canada {Horn) ;" Mount Washington, N. H. ; the Green Mountains, 

 Vermont ; Ottawa, Canada ; Detroit, Mich. My specimens are from 

 Trenton, Canada; eastern Siberia and Turkestan. Heyden, 104; 

 see for this and all the following species Horn's Monograph, T. xiv, 

 adde 4, et seq. 



369. A. erraticus Linn., pensvallensis Mels. 



This common European species " has been introduced, doubtless 

 through commerce, into the Middle States {Horn), and is abundant 

 in Druid Hill Park in Baltimore, and in the surrounding counties 

 in Maryland (Lugger, P. W, i, 49). It occurs in eastern and western 

 Siberia. Heyden, 103. 



