Description of Plate IV. 
The Seasonal History of the Toon Shoot and Fruit Borer * 
Fig. 1. Young leafy shoot of Cedrela Toona with egg of Hypsipyla robusta. 
Fig. 2. First stage larva. 
Fig. 3. Second stage larva. 
Fig. 4. Third stage larva. 
Fig. 5. Fourth stage larva. 
Fig. 6. Pupa. 
Fig. 7. Moth, $ 
Fig. 8. Moth, ? 
Fig. 9. Inflorescence of Cedrela Toona with robusta larvae feeding on flowers showing 
webbed mass of flower fragments and excreta. 
Fig. 10. Panicle of immature fruits of Cedrela Toona with larvae feeding on and in 
the fruits, showing frass and emergence holes,(half natural size). 
Fig. 11. Fruit opened out to show larva within. 
Fig. 12. Current year’s shoot of Cedrela Toona attacked near summit by a robusta 
larva, showing 
Fig. 13. the excrement and particles of pith ejected. 
Fig. 14. Current year’s shoot towards end of the growing season opened out to show 
l arva within and silk-work spun previously to hibernation. 
Fig 15. Last year’s shoot, dead and broken, as a result of attack by Hypsipyla 
obusta. 
Fig. 16. Moth, showing resting attitude. 
