Things bivoltine often describes (“bivoltine ________”)
cocoons,
races,
species,
silk,
breeds,
populations,
population,
cycle,
race,
production,
silkworms,
hybrids,
eggs,
area,
variety,
silkworm,
mother,
strain,
rearing,
butterfly,
strains,
cycles
Commonly used words are shown in bold. Rare words are dimmed. Click on a word above to view its definition.
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