Insects and Host Plants of Japan
Search guides

Start from a plant, category, or insect group

These static pages give search visitors a clearer route into indexed species and plant profile pages.

What is a host plant?

Read a short explanation of host plants, larval food plants, and how Japanese insect-plant records are organized.

Host plant guides

340 plant-based guide pages link plant names to recorded Japanese insects.

Insect group guides

6 pages start from insect groups such as moths, butterflies, beetles, and aphids.

Category guides

14 category pages cover practical searches such as garden trees, fruit trees, vegetables, grasses, and broadleaf trees.

Plant family guides

30 family pages cover searches such as Rosaceae, Fagaceae, Poaceae, Brassicaceae, and Malvaceae host plants.

Find insects by host plant

Use plant names, scientific names, or Japanese local names to reach the corresponding insect-plant relationship pages.

Browse plant pages

Open indexed plant pages and review the insects recorded from each host plant or flower-visit plant.

Browse insect pages

Open static insect profile pages for moths, butterflies, beetles, and aphids.