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JOURNAL OF ECONOMIC ENTOMOLOGY 



[Vol. 12 



Fig. 11. 1, AcrolophidiB, Acrolophus mortipennellus, setal map of prothorax; 

 2, proleg of same; 3, ocellar arrangement; 4, Aegeriidse, Melittia satyriniformis, setal 

 map of prothorax; 5, eighth and ninth abdominal segments; 6, proleg; 7, oceUar 

 arrangement; 8, Tortricidse, Eucosmasp.?, setal map of prothorax; 9, ninth abdom- 

 inal segment; 10, Caccecia sp., eighth and ninth abdominal segments; 11, proleg; 12, 

 ocellar arrangement; 13, Gelechiidse, Metzneria lappella, setal map of prothorax; 14, 

 proleg of unnamed species. 



Acrolophidcc. — These are not true borers but have been taken in the 

 bases of corn stalks while searching for Crambids. These larvae are 

 often picked up in fields in the fall while they are searching for a place 

 to hibernate. Of the three species listed in the twenty-third IlHnois 

 report, one is much more common than the others, Acrolophus arca- 

 nellus {Pseudanaphora arcanella) (Fig. 11, nos. 1-3). The prothoracic 



