872 GENERAL CATALOGUE OF THE HOMOPTERA 



Equals Cicadula yiigrifrons Forb. : 184, 208 Equals 

 Thamnotettix perpunctata Van D. 



[Graminella] nigrifrons Osborn and Knull 1947a: 333 

 [Listed] 14 Equals Thamnotettix [nigrifrons Forb.] 



Graminella nigrifrons De Long 1948a : 264 [Described, cata- 

 logued, key, ecology] h 28 Equals Thamnotettix perpunctata 

 Van D. Equals Cicadula nigrifrons Forb. : 106 [Eco- 

 nomics] 1 



Unerus nigrifrons De Long 1948a : 106 [Economics] x 



[Graminella'] nigrifrons Oman 1949a : 177 [Catalogued] 46 ' 48 - 

 49 Equals Cicadula [nigrifrons Forbes] Equals [Grami- 

 nella] perpunctata Van D. 



[Graminella] perpunctata Oman 1949a: 177 [Catalogued] 

 Equals Thamnotettix [perpunctatus Van D. To [Grami- 

 nella] nigrifrons 



Graminella nigrifrons Moore 1950a : 262 [Listed] 55 



Graminella nigrifrons Moore 1950b : 37 [Listed] 55 



Graminella nigrifrons Tomlinson, Marucci, and Doehlert 

 1950a : 658-662 [Nonvector] 20 



Graminiella [sic] nigrifrons Wolcott 1950a: 119 [Notes, ecol- 

 ogy] 39 



[Graminella] nigrifrons Young 1950a: 64 (12) [Listed] 9 - 12, 



28, 52 



Graminella nigrifrons Dowdy 1951a : 50 [Ecology] 31 

 Graminella nigrifrons Phillips 1951a : 201 [Food plants] 4T 

 Graminella nigrifrons Caldwell in Caldwell and Martorell 

 1952a: 66; pi. 31 [Described, illustrated, ecology, compara- 

 tive note, catalogued] 29 ' 39 Equals Cicadula nigrifrons 

 Forb. : 63 [Key] 

 Thamnotettix nigrifrons Hartzell 1954a : 379 [Listed] 19 

 G [raminella] nigrifrons Fattig 1955a : 65 [Economics] 26 



Localities : * Illinois. 2 District of Columbia. 3 Nebraska. 



4 New York. 6 North Carolina. 8 Mississippi. 7 New Mexico. 



8 California. 9 Colorado. 10 Maryland. n Louisiana. M Iowa. 



13 South Dakota. " Ohio. 15 Pennsylvania. 16 Jamaica. 



17 Florida. 18 Southern States. 19 Bermuda. *° New Jersey. 



21 Kansas. 22 North Dakota. 23 Indiana. M South Carolina. 



25 Tennessee. 26 Georgia. 27 Northern States. M Eastern States. 



28 Vieques Island. 30 North America. 31 Missouri. M Maine. 



33 Mississippi Valley States. 34 Wisconsin. 35 Connecticut. 



38 Virginia. 37 Long Island. **. Greater Antilles. M Puerto Rico. 



40 Central America. 41 West Indies. 42 United States. 



43 Nantucket Island. " Mexico. 45 Delaware. ** Central States. 



47 Ontario. *" Northeastern States. 49 Southeastern States. 



