Figure 3. Histological sections of E. mundus in the process of penetrating B. tabaci. A. E. mundus larva still within the chorion preparing to penetrate the whitefly nymph. The host epidermis appears normal. B. E. mundus larvae in the process of penetration. It is not clear whether the poorly defined mass of cells at the site of penetration are epidermal cells and/or hemocytes. C. Early capsule formation. The host epidermis is conspicuously cuboidal or columnar in appearance, and a thick cuticle is being deposited near the opening of the developing capsule. e=epidermal cells; p = parasitoid; c= cuticle; ch = chorion. Scale Bars for A-C = 50 µm.