Voltinism is a term used in biology to indicate the number of broods or generations of an organism in a year. The term is most often applied to insects, and is particularly in use in sericulture, where silkworm varieties vary in their voltinism.

What is meant by Bivoltine?

1 : producing two broods in a season —used especially of silkworms. 2 of insects : having two generations a year, a summer generation without diapause and a winter generation with diapause.

What does the word stifling?

to quell, crush, or end by force: to stifle a revolt; to stifle free expression. to suppress, curb, or withhold: to stifle a yawn. to kill by impeding respiration; smother. verb (used without object), sti·fled, sti·fling.