Comparative Immature Morphology of Brazilian Fire Ants (Hymenoptera: Formicidae: Solenopsis)

Figure 2

Second instar larva of Solenopsis saevissima. (a) Larva on side view; inset: thoracic spiracle. (b) Head capsule. (c) Mouthparts; arrows: spines around mouth entrance. (d) Larva moulting to third instar. Respective sizes of scale bars (μm): 100, 40, 15, and 50.