Noctuidae 
A very common species in the northern United States, found 
as far westward as the Rocky Mountains. 
(6) Rhynchagrotis alternata Grote, Plate XXI, Fig. 20, ? . 
(The Greater Red Dart-moth.) 
This species closely resembles in general appearance the 
species named minimalis, but may be distinguished by its larger 
size, and the darker color of the hind wings. 
Genus ADELPHAGROTIS Smith 
Of the five species belonging to the genus we select the 
commonest for illustration. 
(1) Adelphagrotis prasina Fabricius, Plate XXI, Fig. 24, $ . 
(The Green-winged Dart-moth.) 
This insect occurs all over Canada, the northern Atlantic 
States, the Rocky Mountains, and British Columbia. It occurs 
also in Europe. 
Genus PLATAGROTIS Smith 
The species of this genus are confined to the more temperate 
regions of our territory. 
(1) Platagrotis pressa Grote, Plate XXI, Fig. 25, $ . (The 
Dappled Dart.) 
Occurs in the northern portions of the Atlantic Subregion. 
Genus EUERETAGROTIS Smith 
Three species of the genus occur, all of them within the 
Atlantic Subregion. 
(1) Eueretagrotis sigmoides Guenee, Plate XXI, Fig. 26, $ . 
(The Sigmoid Dart.) 
From the following species distinguished readily by its larger 
size, and the darker coloration of the fore wings. 
(2) Eueretagrotis perattenta Grote, Plate XXI, Fig. 27, $ . 
(The Two-spot Dart.) 
A common species in the Atlantic States. 
“ Yon night moths that hover where honey brims over.” 
Jean Ingelow. Songs of Seven. 
179 
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