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Ant key 21

Subfamily Myrmicinae

Genus Pheidole (minor caste)

Small size ~2 mm in length, propodeal spines 2 to 3 times diameter of propodeal spiracal (Fig. a). 22
Larger, >2.5 mm in length, propodeal spines similar in length to diameter of spiracle (Fig. b). 23
Fig. a Mesosoma [P. rugosula] (x90) Image
Fig. a Mesosoma P. rugosula (x90)
Fig. b Mesosoma [P. megacephala] (x64). Image
Fig. b Mesosoma P. megacephala (x64).