79 



and polished ; stigmata small, transversely oval, brown, the 

 last pair twice as large as the others. Anal shield yellow, 

 polished, furnished with a row of hairs upon each side and 

 two near the middle ; it is marked with a few brownish 

 spots. Legs yellow. 



"Pupa. Length, 17 mm. Color, yellowish brown; 

 head, thorax, wing-sheaths and stigmata somewhat darker; 

 eyes black. Head bent forward, its front somewhat pointed. 

 Thorax with very fine transverse strife. Abdominal seg- 

 ments 5-7 armed dorsally near their anterior margin with 

 numerous very minute brownish spines ; all segments with 

 extremely fine granulations. Tip of last segment rounded, 

 with a longitudinal lateral impression; expanded dorsally 

 into two flattened projections, each being divided into broad 

 teeth (fig. 3, c, e and/)." (Riley.) 



Habitat. Pennsylvania, Georgia, Louisiana, Wisconsin. 

 Food plants : this insect is a borer in the stems of rice, 

 and probably of other plants. 



CHILO DENSELLUS. (Plate V., fig. 7.) 



Chilo densellus Zell., Col. Chil., p. 5, Plate XL, fig. 2 (1881). 

 Spermatophthora multilineatella Hulst, Ent. Am., Vol. HL, 

 p. 184 (1887). 



Expanse of wings, 18-21 mm. Head, palpi, thorax and 

 fore wings pale ochreous, with venular and intervenular dark 

 ochreous lines. Discal and seven terminal dots black. Hind 

 wings pale yellow. Females paler, with more pointed fore 

 wings and white hind wings. All the fringes concolorous 

 with the wings. 



Habitat. Florida, Texas, Illinois. Food plants and 

 early stages unknown. 



CHILO SQUAMULELLUS. (Plate V., fig. 12.) 

 Chilo squamulellus Zell., Col. Chil., p. 5, Plate XI., fig. 3 (1881). 



Expanse of wings, 18-21 mm. Head, palpi, thorax and 

 fore wings white, sprinkled with brown atoms. The inner 

 cross-line pale straw yellow, and, starting from the basal 



