1984] 
Sorensen, Busch, & Vinson — Solenopsis invicta 323 
l 1 — i 1 r 
o 
in 
T 1 — I T 
AllAllOVOiaVd 0/ 0 
Fig. 1. The biological half life of '- 5 l-albumin in workers, queens, and larvae. All subcaste combinations were tested and 
held seven days without food after their initial feeding of labeled food. Standard deviations are shown. 
