Of certain silkworms: producing two broods per annum. Also as n.
单词 | θ35614 |
释义 | the world > animals > invertebrates > phylum Arthropoda > class Insecta > Heterocera > [noun] > family Bombycidae > genus Bombyx > silk moth > caterpillar of bombyx mori or silkworm > characterized by number of broods (5) bivoltine1872 Of certain silkworms: producing two broods per annum. Also as n. univoltine1872 One of a breed of silkworms which produces a single brood in a year. quadrivoltine1888 A silkworm of a variety producing four broods or generations in a year. rare. trivoltin1888 a silkworm of a breed which yields three cocoons in a year. polyvoltine1890 A silk moth of a variety that produces several broods in a year. |
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