2011
DOI: 10.1590/s0085-56262011005000024
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Longevity and fecundity of Dichroplus maculipennis (Orthoptera, Acrididae) at non-outbreaking and outbreaking situations

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Cited by 9 publications
(11 citation statements)
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“…although quantitative information is not available, earlier contributions (Joan 1927, Schiuma 1938, daguerre 1940, liebermann & Schiuma 1946, liebermann 1972, CoPr 1982, Mariottini et al 2012 and our own recent observations on obvious nymphal and adult aggregation, including group oviposition and swarm-like displacements of up to 50 km, attest to behavioral "expression". likewise, studies under experimental, controlled conditions determined that females from outbreak conditions have a shorter lifespan and are less fecund than females from non-outbreak conditions (Mariottini et al 2011c), conceivably accounting for the physiology "expression". Since no color differences were observed in more than 1500 juveniles at outbreak and non-outbreak conditions (Mariottini et al 2015) and no records (even anecdotal or circumstantial) exist in the earlier literature that mention coloration changes in nymphs, nymphal color "expression" is the only lacking characteristic preventing D. maculipennis from exhibiting the complete set of evidence of density-dependence phase polyphenism.…”
Section: Discussionmentioning
confidence: 99%
“…although quantitative information is not available, earlier contributions (Joan 1927, Schiuma 1938, daguerre 1940, liebermann & Schiuma 1946, liebermann 1972, CoPr 1982, Mariottini et al 2012 and our own recent observations on obvious nymphal and adult aggregation, including group oviposition and swarm-like displacements of up to 50 km, attest to behavioral "expression". likewise, studies under experimental, controlled conditions determined that females from outbreak conditions have a shorter lifespan and are less fecund than females from non-outbreak conditions (Mariottini et al 2011c), conceivably accounting for the physiology "expression". Since no color differences were observed in more than 1500 juveniles at outbreak and non-outbreak conditions (Mariottini et al 2015) and no records (even anecdotal or circumstantial) exist in the earlier literature that mention coloration changes in nymphs, nymphal color "expression" is the only lacking characteristic preventing D. maculipennis from exhibiting the complete set of evidence of density-dependence phase polyphenism.…”
Section: Discussionmentioning
confidence: 99%
“…Individuals of D. maculipennis used in this study belonged to the first laboratory generation [F1] of specimens originally collected in the southern Pampas region (Laprida county, Buenos Aires province, Argentina, 37° 32′60″ S, 60° 49′00″ W) and maintained in a rearing room under controlled conditions (30°C, photoperiod 14:10 (L:D) h, 40% RH) as described in previous studies ( De Wysiecki et al 1997 , Mariottini et al 2011c ).…”
Section: Methodsmentioning
confidence: 99%
“…This pest occurs in Argentina (Buenos Aires, Chubut and Neuquén provinces), Uruguay, Chile and Brazil in South America (Carbonell, Cigliano, & Lange, 2006;Cigliano, Pocco, & Lange, 2014;Mariottini, De Wysiecki, & Lange, 2011a). In recent years an outbreak (50 ind/m 2 ) occurred in southern Buenos Aires province, causing an important economic damage to farmers and ranchers (Mariottini, De Wysieki, & Lange, 2011b).…”
Section: Introductionmentioning
confidence: 99%