GEAIN INSECTS. 123 



Nonagria unUormis Dudgeon. 



(Wheat Stem Borer. Noctuidse; Lepidoptera.) 



Hosts: Rice, wheat, sugar cane, millet. 

 Injury: Larva bores in stems and pupates in its borings. 



Description and biology: Larva flesh colored with black head. Bores in grass stems. 

 Distribution: India, Ceylon, Burma, Celebes. 

 Maxwell-Leproy, H. F. Mem. Dept. Agric. India, Ent. Ser., vol. 1, pt. 2, p. 17(). 



Pyrausta nubilalis Hiibner. 



(Millet Stalk Worm. Pyralidse; Lepidoptera.) 



Hosts: Millet, com, hops, hemp, Panicum sanguinale, Artemisia vulgaris, Conyza 

 squamosa, and Arundo. 



Injury: Bores in the stems. 



Description and biology: Moth, wing expanse 28-30 mm., yellow ochre in color with 

 rust colored marks on forewings. Larva dirty gray brown with dark dorsal line, and 

 two black spots on each segment, underside whitish, head dark brown, thoracic shield 

 yellowish, 30 mm. long. Bores in the stems and sometimes attacks the ears of com. 

 In grasses the larva overwinters in the roots. 



Distribution: Europe (Hungary). 

 SoRAUER, P. Handbuch der Pflanzenkrankheiten, 3d ed., 1913, vol. 3, p. 304, 305, 



fig. 206. 



Ochsenheimerla taurella Schiflermiller. 



(Rye Stem Borer. Tineidse; Lepidoptera.) 



Hosts: Rye, grasses. 



Injury: Quite injurious to winter rye. 



Description and biology: Moth, 7 mm. long, with 13 mm. wing expanse, forewings 

 yellowish brown with darker bands, hindwings white in basal part and brown be- 

 yond. Pupates in the stalk. Larva when young greenish or yellow, later yellow 

 with dark head; bores in stems. Eggs laid singly. 



Distribution: Eiirope. 

 SoRAUER, P. Handbuch der Pflanzenkrankheiten, 3d ed., 1913, vol. 3, p. 242, fig. 175. 



:+; Tinea granella Linnaeus. 

 (The Wheat Moth. Tineidse; Lepidoptera.) 



Hosts: Wheat, barley. 



Injury: Very serious injury to the seed heads. 



Description and biology: Adult, a tiny moth colored a rich brownish yellow with the 

 hindwings larger than the front and greenish yellow. Pupa a small brown chrysalid. 

 Larva not over one-half inch long, yellowish; bores in the seed head, eating all but the 

 husks. 



Distribution: Victoria, Australia, Europe, North America. 

 French, C. Handbook of the Destructive Insects of Victoria, pt. 3, pp. 128-132, 



pi. 55. 



Cllnodiplosis mosellana G(5hin; Clinodiplosis equeStris Wagner; *Contarlnla tritici Kirby. 



(Grain Gall Midges. Itonididse [Cecidomjdidse]; Diptera.) 



Species: CI. mosellana; France; wheat, rye. CI. equestris; Europe; wheat. ^C. 

 tritici: Europe, introduced into United States; wheat, rye, barley. 

 Injury: Very serious injury to grain, especially in United States. 



