noun
young silkworm (first or second instar)
Technical term in sericulture. Refers to the tiny, dark, ant-like stage of silkworm larvae. Compare 毛蚕 (けご), which refers to the newly hatched first instar with hair-like setae.
See also: 毛蚕
蟻蚕はまだ小さく、桑の葉を細かく刻んで与える必要がある。
Young silkworms are still small, so you need to feed them finely chopped mulberry leaves.