296 CONNECTICUT EXPERIMENT STATION REPORT, I907-I908. 



They are laid longitudinally along the midrib of the leaf. See 

 Plate II, a. 



Larva. When first hatched is pearly white in color with 

 brown eye-spots on either side of the head. Mouth parts and 

 antennae tipped with brown. Antennae .16 mm. long. Length 

 about 2.5 mm. Head about .5 mm. wide, exceeding the body, 

 which is .45 mm. wide back of head. Body fairly uniform in 

 width, tapering somewhat towards anal end. Abdominal seg- 

 ments slightly wrinkled. Anal segments with a pair of three 

 jointed appendages about .12 mm. long, the basal joint large, 

 the second smaller and shorter, the third tapering to a point. 



Full-Grown Larva. Length 15 mm., width 2.25 mm. Color 

 pale bluish green, including the head ; mouth parts, antennae, and 

 anal appendages brownish. First thoracic segment with a dorsal 

 transverse mark between two sublateral spots. Head round- 

 ish, about 1.5 mm. wide. Antennae slender, seven-jointed. 

 Abdomen without prolegs, the segments wrinkled transversely, 

 four wrinkles to a segment; the last abdominal segment flat- 

 tened, tipped with a row of slender hairs and with a pair of 

 three jointed appendages situated laterally on the ventral side. 

 The larvae are shown on Plate II, b. and c. 



After entering the ground the color of the larva changes 

 to a bright apple green. 



Pupa. No cell or pupa case is formed. The pupa is naked 

 with ^ all the appendages free, simply covered with a thin 

 membrane. The head and thorax apple green, abdomen and 

 appendages yellowish green. Before emerging the color and 

 markings of the adult insect are plainly visible. Shown on 

 Plate III, c. 



Adult. 



Dr. MacGillivray has described the female as follows : 

 "Female — Body black, with the following parts yellow: the 

 labrum and clypeus broadly, the posterior orbits, the front orbits 

 with a band extending to the occiput, with two tooth-like pro- 

 jections on the mesal side near the eye, a pair of lunate marks 

 behind the ocelli, a small spot on the hypoclypeal area, the palpi, 

 the V-spot, the tegulae and base of the wings, the scutellum, the 

 post-scutellum, a small irregular spot on the pleura, and the 

 legs, except the extreme bases of the coxae, becoming rufous 



