apterous

Adjective

not-comparable

(zoology) Destitute of wings; wingless. / (biology) Destitute of winglike membranous expansions, as a stem or petiole.

Japanese Meaning

（動物学）翼が存在しない、翅を有さない / （生物学）茎や葉柄などに翼状の膜状突起が見られない

Researchers discovered that the apterous beetles dominated the leaf litter ecosystem, relying on crawling and burrowing rather than flight.

研究者たちは、翅のない甲虫が落ち葉の生態系を支配し、飛ぶのではなく這ったり巣穴を掘ったりして生活していることを発見した。

Sense（1）

(zoology) Destitute of wings; wingless.

The source of light was thronged by moths and apterous insects.

Sense（2）

(biology) Destitute of winglike membranous expansions, as a stem or petiole.