446 



TROPICAL WILD LIFE IN BRITISH GUIANA 



FIG. 141. VERMILLION-NUT OPENED TO SHOW IMPRISONED 



LARVAE OF VERMILLION-NUT FLY. 



Enlarged twice natural size. 



an inch below the surface and all have transformed into little 

 yellow kegs with ten red hoops running around them. Under 

 the lens these hoops appear to be tiny bands of stitches like 

 those in the cover of a baseball. In these pupae we have con- 

 vincing evidence that our fly naturally transforms below the 

 ground, especially so in view of the fact that the larvae left 

 within the nut are still strictly larvae in every sense of the 

 word. 



I remove two more of the imprisoned ones from the nut 

 to freshly prepared tubes of earth. Two days later I have 



