Noctuidae 
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. 
( 1 ) 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, $ . (The Fall Army Worm.) 
Syn. macra 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, 
Fig. 98. —Laphygma frugiperda. 
a. typical form of moth; b. c. vari¬ 
eties. (After Riley.) 
ix uni aw \ j u ,. vicvvcu nuiii oiul. , 
enlarged. (After Riley.) —• 
Central and South America, feeds in its larval state upon a great 
variety of succulent plants, showing, however, a decided prefer- 
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