2011
DOI: 10.1603/en10071
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Influence of Nutrient Levels inTamarixonDiorhabda sublineata(Coleoptera: Chrysomelidae) Survival and Fitness With Implications for Biological Control

Abstract: Establishment of the saltcedar leaf beetle (Diorhabda spp.) has been unpredictable when caged or released in the field for saltcedar (Tamarix spp.) biocontrol. It has been observed that one caged tree might be voraciously fed upon by beetles while an adjacent tree in the cage is left untouched. We hypothesized that differences in the nutrient content of individual trees may explain this behavior. We evaluated survival, development rate, and egg production of beetles fed in the laboratory on saltcedar foliage f… Show more

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Cited by 4 publications
(3 citation statements)
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“…Some studies documented a higher survival of certain insects when plants received fertilization [2325]. Nevertheless, how the fertilizers act on the insect population is an area of intense debate, sometimes even contradictory, as a few research results recorded positive, negative, or neutral effects of the fertilizers on the insect population [22].…”
Section: Resultsmentioning
confidence: 99%
“…Some studies documented a higher survival of certain insects when plants received fertilization [2325]. Nevertheless, how the fertilizers act on the insect population is an area of intense debate, sometimes even contradictory, as a few research results recorded positive, negative, or neutral effects of the fertilizers on the insect population [22].…”
Section: Resultsmentioning
confidence: 99%
“…Higher phosphorus in the diets of leaf beetles (Diorhabda sublineata Lucas) and tobacco hornworms (Manduca sexta Linnaeus) leads to higher larval mass, growth rates and adult fecundity (Perkins et al 2004;Guenther et al 2011). Additionally, when provided a choice between high and low phosphorus plants, tarnished plant bugs (Lygus hesperus Knight) and crickets (Acheta domesticus Linnaeus) prefer 96 K.L Callis-Duehl et al ____________________________________________________________________________________________________________________ plants with high phosphorus, suggesting that phosphorus availability may be limiting in these species (Forbes & Rosenheim 2011;Visanuvimol & Bertram 2011).…”
Section: Discussionmentioning
confidence: 99%
“…All of these resource pools are subject to some degree of stoichiometric homeostasis such that heterotrophs are less likely than plants to encounter wide ranges of resource N:P ratios (Sterner and Elser 2002). However, the relatively strong stoichiometric homeostasis of heterotrophs means that even modest variation in the stoichiometry of their resources can have implications for their growth and fitness (Nelson and Palmer 1935, Huberty and Denno 2006, Persson et al 2010, Guenther et al 2011. Strict requirements for nonsubstitutable elements means that a short supply of some specific element (or elements) can constrain biological process even when other elements are present in excess.…”
Section: Introductionmentioning
confidence: 99%