1980] 
Turillazzi — Artificial Nests 
139 
WEIGHT 
(grams) 
0.25 
0 . 2 - 
0.15 
8 
0.1 
* 
O 
0.05 
8 
* 
* 
* 
o 
o 
* 
oft 
* 
2 
8 
T 
29 
DAYS 
Fig. 6. Larval growth curve (egg to emergence) obtained by daily weighing of three 
larvae in their artificial cells on a flat nest. Each symbol represents the weight of a single 
individual without the cell. Arrows indicate the day of pupation. 
