Explanation of Plate V. 



Biptortus linearis (Linn6). 

 Fig. 1. Ova, natural size and enlarged. 



2. Third nympbal instar, enlarged. 



3. The same, natural size. 



4. Ultimate nymphal instar, twice natural size. 



5. Adult, natural size. 



6. First nymphal instar, much enlarged. 

 Food-plant : Cassia occidentalis, Linne, N. O. Leguminosx. 



