4 BULLETIN 922, U. S. DEPARTMENT OE AGRICULTURE. 
head brown, blackish-brown or black, with many fine transverse lines on the face; 
eyes very small, circular, projecting; mandibles terminating in two large sharp teeth, 
more or less separated, the lower one again divided into two or three parts; palpi pale 
yellow, mandibles brown or dark brown ; dorsum of first thoracic segment with a rec- 
tangular dark band interrupted by a paler dorsal line which is the continuation of the 
stem of an inverted Y on the face, this dorsal band becomes wider on the abdominal 
segments and extends to the tip of anal segment. Hairs, on the tubercles clavate 
as in several other species. [The color varies from the usual pale green to a bluish 
green or yellow when hatched. Yellow larvae may retain this color throughout 
development.] 
Fig. 3. — Egg of the clover-leaf weevil: a, Lateral 
view; ft, egg inserted into stem of clover plant; 
c, lateral view of b. Much enlarged. 
Fig. 4.— Full - grown 
larva of the clover- 
leaf weevil, dorsal 
view. Much enlarged. 
Second stage: Color greener, head dark brown, front and sides of rectangular plate 
on first thoracic segment dark, the remainder greenish; dorsal median line with a fine 
dark border, darker than the remainder of the larva. Side line below spiracles indis- 
tinct. Length 4-4.5 mm., width 2 Trim , 
Third stage: Black lines on each side oi dorsal line very distinct [head brown or 
yellowish brown], eyes densely black, antennas darker. Color of larvae (Folsom) may 
be blue green [yellow, or with a pinkish tinge]. Usual color pale green. Length 5 
to 7 mm., width 2.5 to 3 mm. in the middle. 
Fourth stage [fig. 4]: Dorsal line very white or pinkish, bordered by rose color, 
usually rather pale but sometimes rosy -black, the outer borders of this coloration are 
black and form distinct lines, interrupted on the margin of each segment [head 
brown or yellowish brown]; larva much darker green [or still may retain its yellow, 
blue green, or pink color]; lines below the spiracles dark both showing a tendency to 
