Noctuida 



Genus ACHAT0DE3 Guenee 

 (i) Achatodes zeae Harris, Plate I, Fig. 12, larva; Plate 



XXVI, Fig. 1,6. 



This common insect, like those of the next three genera, is a 



stem-feeder, burrowing in the pith of its food-plants. It feeds 



in stems of elder {Sambucus), and Indian corn. 



Genus GORTYNA Ochsenheimer 



This genus is represented in the faunas of both hemispheres. 

 It is quite extensive. 



(1) Gortyna velata Walker, Plate XXVI, Fig. 3, $, . (The 

 Veiled Gortyna.) 



Syn. sera Grote & Robinson. 



Not uncommon in the Atlantic States. 



(2) Gortyna nictitans Borkhausen, Plate XXVI, Fig. 2, $ . 

 This species, which is also found in Europe, has an extensive 



synonymy. It is found from the Atlantic to the Pacific, and shows 

 in different localities slight differences in ground-color and mark- 

 ings, which have led to the creation of a number of subspecific 

 distinctions by writers. 



(3) Gortyna immanis Guenee, Plate XXVI, Fig. 4, ? . (The 



Hop-vine Gortyna.) 



The insect is 

 not often found 

 south of New York 

 and Nev/ England 

 to any great extent, 

 though its occur- 

 rence as far south 

 as Maryland as a 

 rarity has been 

 noted. From 

 western New York 

 it ranges across the 

 continent to the 

 Pacific. As it 

 particularly infests 



Fig 



). — Gortyna immanis. a. enlarged seg- 

 ment of larva; b. larva; c. pupa; d. adult $ 

 (After Howard.) 



the hop it will not be abundant in places where that plant is 

 not grown. In the centre of the hop-growing region of 



212 



