sericulture; silkworm culture; silkworm raising
encroachment; making inroads (into); (slow but steady) invasion
autumn silkworms; fall silkworms
Japanese oak silkmoth (Antheraea yamamai)
silkworm (in the first or second instar)
atlas moth (Attacus atlas)
ailanthus silkmoth (Samia cynthia); cynthia moth
eri silkmoth (Samia cynthia ricini); eri silkworm