μCT digital cross sections across female Euwallaca validus life stages.
Blue boxes denote superior, medial mycangia while red boxes denote the inferior, lateral pouches. A-D) External view of the superior transverse cross-sections (E-H). I-L) Sagittal cross-sections reveal superior mycangia and inferior pouches in late pupa (K) and adult (L) female beetles. M, N) Inferior transverse cross-section illustrates paired inferior pouches in late pupa (M) and adult (N) female beetles.