Comparative Immature Morphology of Brazilian Fire Ants (Hymenoptera: Formicidae: Solenopsis)
Figure 1
Egg and first instar larva of Solenopsis saevissima. (a) Egg. (b) Hatching larva. (c) Oblique view of first instar larva; inset: thoracic spiracle. (d) Head capsule and mouthparts; lb: labrum; md: mandible; mx: maxilla; lm: labium. (e) Detail of mouthparts, showing right maxilla and mandible. (f) Terminal region of body, showing anus (asterisk) and rows of spinules (setae). Respective sizes of scale bars (μm): 50, 25, 50, 20, 10, and 15.
