Noctuidse 



Genus PRODENIA Guenee 



A small but widely distributed genus found in all parts of the 

 globe. Illustrations of two of the three species found in our 

 fauna are given. 



( i ) Prodenia commelinae Abbot & Smith, Plate XX, Fig. 



36, ? 



This species, which occurs in the Atlantic Subregion, is 

 common in the southern portion of its range. 



(2) Prodenia ornithogalli Guenee, Plate XX, Fig. 35, $ . 



Not as common as the preceding species, but ranging over 

 the entire United States. 



Genus LAPHYGMA Guenee 



A small but widely distributed genus, represented in our 

 fauna by but one species. 



(1) Laphygma frugiperda Abbot & Smith, Plate XX, Fig. 



37, S . (The Fall Army Worm.) 



Syn. macro, Guenee ; signifera Walker ; plagiata Walker ; autumnalis Riley. 



This destructive insect, which is found all over the Atlantic 

 States, the Mississippi Valley, and thence southward through 



Fig. 97. Laphygma frugiperda. 

 a. full grown larva; b. head, mag- 

 nified; c segment of body, viewed 

 from above; d. viewed from side, 

 enlarged. (After Riley.) 



Fig. 98. Laphygma frugiperda. 

 a. typical form of moth ; b. c. vari- 

 eties. (After Riley.) 



v> 



entral and South America, feeds in its larval state upon a great 

 variety of succulent plants, showing, however, a decided prefer- 



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