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Psyche 
[Vol. 91 
Fig. 7. (Above and facing page) SEM micrographs of the exterior structures of 
the metapleural glands of several ant species, a. Alitrunk of Podomyrma pulchra 
worker, b. Close-up of bulla, slit-shaped opening and sensory hairs (?) of the 
metapleural gland of P. pulchra worker, c. Alitrunk of Crematogaster sp 10 
(ANIC) worker, d. Alitrunk of Catalacus intrudens worker, e. metapleural gland 
opening with sensory hairs (?) of C. intrudens worker, f. Alitrunk of Crematogaster 
sp 10 (ANIC) male. Arrows point to the opening of the metapleural gland. 
