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dc.contributor.authorHIROSE, E.pt_BR
dc.contributor.authorPANIZZI, A. R.pt_BR
dc.contributor.authorCATTELAN, A. J.pt_BR
dc.date.accessioned2011-12-09T00:00:25Z-
dc.date.available2011-12-09T00:00:25Z-
dc.date.created2007-01-17pt_BR
dc.date.issued2006pt_BR
dc.identifier.citationNeotropical Entomology, Pelotas, v. 35, n. 6, p. 757-761, Nov./Dec. 2006.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/466760pt_BR
dc.descriptionLaboratory studies with 1st instar of southern green stink bug, Nezara viridula (L.)ldicated that relative humidity (RH) greatly affected nymph emergence and survivorship up to the 2 nd instar, reaching the maximum value (~ 90%) with RH of> 80%. At 60% RH, 60% of the nymphs energed and survived, while with 0% RH only ~ .15% of eggs hatched, and most nymphs died. Emerged nymphs from egg masses placed in plastic boxes with a gradient of humidity remained on egg shells for ca. one day. After this period, they dispersed and regrouped on top of shells 6.8+- :0.67 times, until they abandoned the shells toward the source of humidity, avoiding the water-saturated areas. Duration taken for each rearrangement (dispersal + regroup) increased with time, with a range of ~ 26 min to 44 min. The mean duration of the grouping behavior on egg shells after each rearrangement decreased from ~ 102 min (1 st) to 24 min (6th and last grouping). The rearrangement behavior of 1 st instars on top of egg shells apparently compensates for the water loss of nymphs.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectEffect of relative humidity on emergence and on dispersal and regrouping of first instar Nezara viridulapt_BR
dc.titleEffect of relative humidity on emergence and on dispersal and regrouping of first instar Nezara viridula (L.) (Hemiptera: Pentatomidae).pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2011-12-09T00:00:25Zpt_BR
riaa.ainfo.id466760pt_BR
riaa.ainfo.lastupdate2011-12-08pt_BR
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