Psyche 
[December 
Figure 27. Left- SEM photograph of abdominal tip of Veromessor pergandei. “PG” indicates opening of pygidial gland 
between 6‘ and 7 th terga; “A” indicates opening of anus. Right: Sagital section through pygidial gland of Veromessor, which has 
a large reservoir (R) and each cell cluster contains 50-70 glandular cells (GC). 
