CFB and infection: After 144 h of infection, compared to the Bb-WT infection, A. aegypti infected with Bb-Cyt1Aa through conidia ingestion showed a more extensive distribution of white hyphae, forming a net-like pattern (Fig. 3g through i), and those infected with Bb-Cyt1Aa through cuticle contact exhibited more extensive damage to muscle (Fig. 3p and q).