THE CANADIAN ENTOMOLOGIST 151 



reaching just beyond articulation of 4tii and 5th abdominal seg- 

 ments. Abdomen tapering gradually to 7th segment, thence more 

 sharply to caudal extremity. Abdomen with usual arrangement 

 of short, stout hairs, regularly placed. Last abdominal segment 

 pale dusky yellow. Fore legs pale yellow, very slightly dusky on 

 proximal end of tibia? and claws, others as in preceding instar. 



Adult.- — The following is the description given by Fitch (1) 

 for this species: 



Chestnut-brown varied with white; elytra hyaline, with a 

 large, fuscous spot on the middle and another at the apex of the 

 outer margin, with an intervening white spot; a faint, white spot 

 towards the base of the sutural margin. Length 0.35 mm. 



The more complete description of Osborne and Ball (6) is as 

 follows : 



Chestnut-brown with narrow, light stripes on pronotum, 

 scutellum, and clavus. Length of female 5.75 mm.; male 5.25; 

 width 1.7 mm. 



Face, in the female, chestnut with broad circles around the 

 large, black spots on vertex, and small crescents under the ocelli 

 light yellow; in the male, yellow with a chestnut stripe down the 

 middle and a darker one each side from the corner of the eye down 

 the gense outside the lorse. Pronotum chestnut with a pair of 

 black spots on the anterior margin, the posterior margin and three 

 spots on the disc light yellow, scutellum with the margins and tip 

 light yellow. Elytra brownish, the nerv'ures darker, a narrow, 

 light stripe on the outer margin of clavus, and a hyaline band cross- 

 ing the apex and broadening towards the costa where it sharply 

 interrupts the broad, dark margin. 



Head scarcely wider than the short, convex pronotum, but 

 ver\' deep. The outer anteapical cell short, triangular, the nervure 

 then curving away to the costa. Lltimate ventral segment of the 

 female with the posterior margin rounding, slightly emarginate in 

 the middle; male valve with the posterior margin acutely tri- 

 angular, the sides concave. 



FOOD PLANTS. 



Fitch (1) records this species as having been taken on thorn 

 bushes, and Osborne (7) reports it from the hawthorn and crab. 



