GRAPEVINE l^LEA-BEETLES. 
5 
ened near the eyes, frontal carina rather acute, the tubercles small, oblique. Thorax 
a little more than half wider than long, narrowed in front, sides arcuate, margin narrow, 
slightly thickened in front, disc convex, the ante-basal impressed line rather deep and 
extending from margin to margin, surface with extremely minute scattered punctures. 
Elytra scarcely wider at base than the thorax, humeri rounded, umbone moderately 
prominent, smooth, limited within by a slight depression, surface sparsely punctate, 
nearly smooth near apex. Body beneath and legs blue-black, moderately shining, 
abdomen sparsely punctate. Length .16-. 20 inch; 4-5 mm. 
THE EGG. 
PI. I, A, B. 
In general shape the egg is subcylindrical, with the ends rounded. The surface is 
roughly pitted, and on the surface opposite to the side of attachment is a twisted 
brownish strand about one-third the length of the egg. The color varies from a deep 
yellow to orange. Length 1.10 mm.; diameter 0.42 mm. 
The size and color agree with the description by Hartzell (23) but 
differ from that of Comstock (12). 
THE LARVA. 
Similar to larva of AUica woodsi, PI. II, A. 
The larva is short and stout, convex dorsally and flattened ventrally, and is further 
characterized by a nearly hemispherical head, by short stout legs, and by an anus 
which functions as a locomotor organ. Each body segment is marked by a double 
series of chitinized plates or tubercles and the skin between these plates is dotted with 
minute wartlike excrescences. When the larva is newly hatched or molted it is yellow 
in color. Upon exposure to the air, however, the chitinized areas become shining 
black and as they fit closely together the larva itself becomes shining black. With 
growth the skin between the chitinized areas begins to show and when the larva is 
full grown the skin is so distended that a brownish yellow is the dominant color, the 
black being confined to the chitinized areas. The spiracles are located on the meso- 
thoracic and first eight abdominal segments. The head and body plates are fur- 
nished with sparse, long setse. 
The arrangement of the body plates and setae on the first seven abdominal segments 
is as follows: Dorsally each segment is furnished with two transverse rows of setiferous 
plates. The mid-dorsal plates are transversely elongate, the anterior one being slightly 
the longer, and are furnished with a seta on either side of the median line; on either 
side of each of these plates and above the spiracle are two smaller circular plates each 
bearing a single seta; below the spiracle is a prominent, longitudinal, compound 
tubercle, which roughly divides the dorsal and ventral aspects, bearing a pair of 
setae, and below this is another tubercle also bearing two setae; ventrally, near the 
anterior margin of the segment, there is one elongate, transverse plate crossing the 
median line and bearing one seta on either side; on the posterior half of the segment 
and at either side of the median plate is a small OA^al plate bearing two setae. 
On the first thoracic segment all dorsal plates are fused into one large plate, the 
pro thoracic shield, which bears five pairs of setae along the anterior margin, and three 
pairs in a row on the posterior margin ; laterally there is one small tubercle bearing a 
single seta, and at the base of each coxa is a pair of tubercles each bearing a single 
seta; ventrally there is one large rectangular plate bearing an anterior and a posterior 
pair of setae. 
The second thoracic segment resembles the abdominal segments closely. The 
mid-dorsal plates are not continuous but are divided at the median line; on each side 
(if the mid-dorsal plates is a single outer dorsal plate, the anterior one being quite 
