BULLETIN 922, TJ. S. DEPARTMENT OF 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 \ r aries 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; 6, egg inserted into stem of clover plant; 

 c, lateral view of &. 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 mm. 



Third stage: Black lines on each side of dorsal line very distinct [head brown or 

 yellowish brown], eyes densely black, antennas darker. Color of larvaa (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 



