FIGURE 111 in Review of generic limits of the tiger moth genera Virbia Walker and Holomelina Herrich-Schäffer (Lepidoptera: Arctiidae: Arctiinae) and their biogeography

FIGURE 111. Bursa complex, Pyrrarctia isabella, ventral view. Db = ductus bursae long and rectangular, narrowing at exterior, vaselike, Ob = ostium bursae, long and rectangular, narrowing toward exterior, Cb = two bursae present with common membranous duct, Ovp = ovipositor opening lobed.