PROCEEDINGS OF THB THIRD ENTOMOLOGICAL MEETING 535 



20 cm. Pit. — 1,000 bolls — not in bad condition — slightly decayed — many 

 unbroken. 

 Found 46 live Pink BoUworm larvae 

 8 live pupae. 

 22 empty pupa cases. 



BoUs Removed 31st May. 

 Plot I. Berstm. 

 ■5 cm. Pit. — Bolls much decayed and broken up — 

 Found 10 live Pink Bollworm larvae. 

 2 live pupae. 

 9 empty pupa cases. 

 . JO cm. Pit. — Bolls very much decayed — not all broken up — not so bad as 15 or 

 20 cm. bolls. 

 Found 4 live Pink BoUworm larvae. 

 live pupae- 

 8 empty pupa cases. 

 15 cm. Pit. — Bolls very much decayed and broken up. Same as 20 cm. pit.— 

 Found 1 live Pink Bollworm larva. 



live pupas. 



1 empty pupa case. 



20 cm. Pit. — BoUs very much decayed and broken up — 

 Found live Pink Bollworm larvae. 

 live pupae. 

 empty pupae. 



N.B. — The 1,000 bolls removed is the theoretical number. The space occupied by 

 each 1,000 bolls was marked, but when bolls were much decayed one could 

 not be certain of course of reooveriiig all the pieces . 



Plot II. Bare Fallow. 



Note. — Bolls in 5 and 10 cm. pits were from a different sample to that used for the 

 ■other pits in all three plots. 



5 cm. Pit. — 1,000 bolls. Condition good ; a few only broken up — 

 Found 214 live Pink Bollworm larvae, f majority in the tough cocoons. 

 live pupae. -i 



2 empty pupa cases. ( in fibre of boll or seeds. 

 10 cm. Pj7.— 1,000 boUs— about two-thirds of bolls broken up- 

 Found 2 live Pink Bollworm larvae. 



hve pupae. 

 4 empty pupa cases. 

 15 cm. Pit. — 1,000 bolls — majority broken up and decayed — • 

 Found live Pink Bollworm larvae. 



live pupae. 



2 empty pupa oases. 

 20 cm. Pit. 1,000 bolls ; much decayed and broken up- 

 Found live Pink Bollworm larv«. 



1 live pupa. 



7 empty pupa cases 



