noun
ladybug; ladybird; lady beetle
General term for ladybugs (family Coccinellidae). Common in everyday language.
庭でてんとう虫を見つけた。
I found a ladybug in the garden.
てんとう虫はアブラムシを食べる益虫です。
Ladybugs are beneficial insects that eat aphids.
noun
Asian lady beetle; harlequin ladybird
Specifically refers to Harmonia axyridis, a common species in Japan. Often called ナミテントウ (並天道) in biological contexts.
See also: ナミテントウ
ナミテントウはてんとう虫の一種で、日本でよく見られる。
The Asian lady beetle is a type of ladybug commonly seen in Japan.