n 



EXPLANATION OF PLATE lOL 



Rhizopertha dominica . 



Fig., 1. The egg (X 20). 



Fig. 2. A cluster of eggs (x 10). 



Fig. 3. A freshly emerged larva, dorsal view ( X 26). 



Fig. 4. A freshly emerged larva, lateral view ( X 20). 



Fig. 5. The larva after the first moult, dorsal view { X 26). 



Fig. 6. The larva after the first moult, lateral view ( X 26). 



Fig. 7. The larva after the second moult ( X 26). 



Fig. 8. The larva after the third moult ( X 26). 



Fig. 9. The fully developed larva just previous to pupating (x20). 



Fig. 10. The pupa. Ventral view ( X 20). 



Fig. 11. The adult showing the attitude when actively moving about (x20). 



Fig. 12. The antenna. 



Fig. 13. A grain showing the larva inside ( X 6). 



Fig. 14. A grain showing the pupa in the cavity excavated by the larva ( X 6). 



The small figures by the side of the larger ones indicate the natural sizes of the 

 insects. 



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