Tribe Elmini 



Genus Ampwnixis Sanderson, 1954 



Ampimixis dispar (Fall, 1925). In sandy and gravelly bottoms of rapid, 

 clear, cool or cold streams in foothills and mountains from 

 Washington south to California. 



Genus Anoyronyx Erichson, 1847 



Anoyronyx variegata (Germar, 1824) . On submerged wood or trash (larvae 

 may be under decaying bark) in streams throughout the eastern 

 states from Maine to Florida, westward to Wisconsin and the 

 eastern portions of Kansas, Oklahoma, and Texas. Sensitive to 

 sewage and industrial wastes. 



Genus Atractelmis Chandler, 1954 



Atractelmis wawona Chandler, 1954. Rare in riffles of rapid, clear 

 mountain streams in California at elevations from 2,000 to 5,000 

 feet (actually reported from only two localities - the South Fork 

 of the Merced River near Wawona in Yoseraite National Park and 

 Middle Fork of Cottonwood Creek, Shasta County) . 



Genus Cleptelmis Sanderson, 1954 



Cleptelmis addenda (Fall, 1907). On roots and moss or rocks and gravel 

 in rapid, cold mountain or foothill streams from California and 

 southeast Oregon to New Mexico and South Dakota. 



Cleptelmis ovnata (Schaeffer, 1911). On roots, moss, rocks, and gravel 

 in rapid mountain or foothill streams from central California to 

 British Columbia and eastward to Arizona, Colorado and Montana. 



Genus Cylloepus Erichson, 1847 



Cylloepus abnormis (Horn, 1870) . Beneath rocks and in sandy gravel in 

 riffles of creeks and rivers throughout Mexico, but extending into 

 Arizona (San Pedro River) and Texas (Limpia Creek in the Davis 

 Mountains, small stream near Camp Wood). Common in Mexico (known 

 as Cylloepus sexualis Hinton) but rare in the United States. 



Cylloepus parkevi Sanderson, 1953. Known only from small, rocky streams 

 in Bloody Basin, Yavapai Co., Arizona. 



Genus Dubiraphia Sanderson, 1954 

 (This genus is currently under revision by Dr. William Hilsenhoff. 

 Some of these species may be combined. Others will be added.) 



Dubiraphia bivittata (LeConte, 1852) . On submerged roots, aquatic 

 plants, or other plant material in streams and lakes of eastern 

 states, and upper Mississippi River drainage. 



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