bivoltine


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bivoltine

[bī′vōl‚tēn]
(invertebrate zoology)
Having two broods in a season, used especially of silkworms.
Of insects, producing two generations a year.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Hamaoka, M., Evaluation Report of Project for Strengthening Extension System for Bivoltine Sericulture in India, Project Foundation for Advanced Studies on International Development available on http://www2 .jica.go.jp /en/ evaluation/pdf/2009_0602342_4.pdf as on12.12.2012.
fluminea are observed to be bivoltine, with the first spawn occurring in late spring to early summer, and resuming in late summer.
Oncerometopus atriscutis was bivoltine based on weekly sampling at the main study site near Las Cruces, New Mexico (Fig.
A bivoltine life cycle was observed with a duration between 136 and 171 days and a total of five larval instars.
The present work was carried out on "Swarnandhra" silkworm variety of Bombyx mori (L) belongs to the hybrid of [APM.sub.1] X [APS.sub.1] (Multivoltine x bivoltine) obtained from National Silkworm Seed Production Centre, NSSP, Central Silk Board, Ministry of Textiles, Govt.
clavipes from five univoltine populations inhabiting highly seasonal Mexican sites and from a bivoltine population inhabiting a less seasonal Panamanian site.
The present work was carried out on "Swarnandhra" silkworm variety of Bombyx mori (L) belongs to the hybrid of APM1 X APS1 (Multivoltine x bivoltine) obtained from National Silkworm Seed Production Centre, NSSP, Central Silk Board, Ministry of Textiles, Govt.
For example, Kormondy & Gower (1965) found Epitheca cynosura to be semivoltine (bivoltine) in Pennsylvania, while Benke & Benke (1975) found the same species to be a univoltine spring species in South Carolina.
Seasonal polymorphism and developmental changes in organs of flight and reproduction in bivoltine pondskaters (Hemiptera: Gerridae).
So, in this species, the life cycle is bivoltine (Zucchi et al 1976) or multivoltine.