ISO. 4.] GYPSY MOTH — APPENDIX. 411 



the prothorax and meet at the dorsal line, whence a similar 

 depression leads forward to the anterior margin. The areas 

 thus included are slightly raised. Scutellum dark brown or 

 black, tipped with pale yellow. Wings dark brown. 



Under side of head and thorax and tip of abdomen pale 

 sulphur yellow. Remainder of abdomen sordid yellow, 

 darkest anteriorly. Beak yellow, brown at tip, reaching 

 nearly to anterior cox«. Legs slender ; coxfe of same color 

 as thorax ; femora of same color at base, darkening out- 

 wardly. A narrow dark-brown band encircles the femora 

 near their junction with the tibia?. Tibice and tarsi dark 

 brown. 



Female. — (Plate 2, Fig. 6.) Length, 15 mm. Body 

 much lighter and stouter than the male. Head pale l^rown 

 in front of the eyes, but darker posteriorly. Thorax, 

 scutellum and wings light yellowish brown. Posterior 

 thoracic angles acute, tipped with a stout black spine. 

 Under surface as in male. AntennnB pale brown, darker 

 at joints. Legs pale brown ; femora without bands ; tarsi 

 dark brown. 



