What is the meaning of Voltinism?
Definition of voltinism : the frequency or number of annual broods (as of insects) — compare polyvoltine, univoltine.
What are the types of Voltinism?
Based on voltinism B. moriis divided into three type of races: univoltines, bivoltines, and poly or multi-voltines. 1. Univoltine races produce only one generation per year.
What is multivoltine silk?
Also known as Endi or Errandi, Eri is a multivoltine silk spun from open-ended cocoons, unlike other varieties of silk. Eri silk is the product of the domesticated silkworm, Philosamia ricini that feeds mainly on castor leaves.
What do you mean by Univoltine and multivoltine?
Univoltine – (adjective) referring to organisms having one brood per year. Bivoltine – (adjective) referring to organisms having two broods per year. Multivoltine – (adjective) referring to organisms having more than two broods per year.
What is a Multivoltine species?
A multivoltine species is a species that has two or more broods of offspring per year. Multivoltine species are often short lived insects such as mosquitoes. They have a short adult lifespan and often die soon after mating. The larvae then develop quickly and multiple generations occur within a year.
What is Univoltine insect?
Definition of univoltine : producing one brood in a season and especially a single brood of eggs capable of hibernating —used of insects — compare bivoltine.
What does voltinism mean in biology?
voltinism(Noun) The number of broods or generations of an organism in one year. Freebase(0.00 / 0 votes)Rate this definition: Voltinism is a term used in biology to indicate the number of broods or generations of an organism in a year.
What is partial voltinism?
The term partial voltinism is used to refer to two different (but not necessarily exclusive) situations: An organism wherein generations overlap in time, and so are not completely reproductively isolated.
What is hybrid voltinism?
(More commonly) a population where the voltinism is mixed, because of genetic variation (e.g., in the hybrid zone between a univoltine and a bivoltine area) and/or because environmental stimuli do not induce bivoltinism in all individuals (or across all years).
What is the meaning of univoltine?
or (adjective) referring to organisms whose generation time is more than one year. The speckled wood butterfly is univoltine in the northern part of its range, e.g. northern Scandinavia.