The present invention provides a fungicidal composition containing a flavonoid aldehyde such as cinnamic acid aldehyde,? -Hexylcinnamate aldehyde and / or coniferyl aldehyde, and is useful as a flock retardant composition for flies, cockroaches, aphids, silver leaf white fly, mosquitoes, ticks, fleas, , A spider worm, a two-point spider cheese worm, a snail, a slug, a vulture, a caterpillar, and a moth.
展开▼