PLATE IX. 



Fig. 1. Nematus Bridgmanii, gall ; 1 a, larva ? 



Fig. 2. Nematus lucidus, larva. 



Fig. 3. Nematus herbacew, larva ; 3 a, segment of 

 do. ; 3 b, gall. 



Fig. 4. Cladius rufipes, larva; 4 a, cocoon. 



Fig. 5. Nematus nigricollis, larva; 1 a, nearly 

 full fed ; 5 b, head. 



Fig. 6. Fenusa pygmcea, larva from back; 6 a, 

 from beneath ; 6 b, mine. 



Fig. 7. Phyllotoma ochropoda, larva ; 7 a, do. 

 from underside ; 7 b, mine. 



Fig. 8. Nematus xanthogaster, larva ; 8 a, head 

 of do ; 8 b, leaf of willow rolled and eaten by larva. 



