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Fig. 1 | BMC Zoology

Fig. 1

From: Brain investment under colony-level selection: soldier specialization in Eciton army ants (Formicidae: Dorylinae)

Fig. 1

a Foraging worker (gray arrow) and soldier (white arrow) of Eciton burchellii cupiens, Tiputini Biodiveristy Station, Ecuador. b Same-scale 3-D reconstructions of head capsules and brains of army ant (Eciton burchellii parvispinum) worker (A) and soldier (B). Scale bar represent 0.5 mm. Brain structures are the colored bodies in the center of each head capsule. Green: protocerebral mass; dark blue: mushroom body calyces; red: optic lobes; light blue: antennal lobes

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