26 
Psyche 
[Vol. 92 
c 
Fig. 5. Azteca alpha. A, holotype worker, side view of body; B, head of a para- 
type worker; C, left mandible of another paratype worker. 
Holotype worker. Head Width 0.53 mm, Head Length 0.60 
mm. Scape Length 0.48 mm. From a piece of amber with closely 
intermingled workers and males, known to originate from the 
Dominican Republic but with no further locality. 
Paratype workers. A total of approximately 540 workers in 171 
pieces of amber have been placed in A. alpha. Most were from 
