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Environment‐dependent reversal of a life history trade‐off in the seed beetle Callosobruchus maculatus
Abstract Environmental manipulations have consistently demonstrated a cost of reproduction in the capital‐breeding seed beetle, Callosobruchus maculatus, as females deprived of seeds or mates layExpand
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Plant Protection as a Consequence of an Ant‐Membracid Mutualism: Interactions on Goldenrod (Solidago Sp.)
In central New York, two chrysomelid beetles, Trirhabda virgata and T. borealis, frequently cause severe defoliation of tall goldenrod, Solidago altissima. This plant is also the primary host ofExpand
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  • F. Messina
  • Biology, Medicine
  • Evolution; international journal of organic…
  • 1 December 2004
Abstract Interfertile populations of the seed beetle Callosobruchus maculatus differ genetically in several behavioral, morphological, and life‐history traits, including traits that affect theExpand
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Plant architecture and the foraging success of ladybird beetles attacking the Russian wheat aphid
We examined the interaction between the fourteen‐spotted ladybird beetle, Propylea quatuordecimpunctata (L.), and the Russian wheat aphid, Diuraphis noxia (Mordvilko), on two grasses with divergentExpand
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Host Plant Alters the Shape of the Functional Response of an Aphid Predator (Coleoptera: Coccinellidae)
The response of the lady beetle Propylea quatuordecimpunctata (L.) to the density of the Russian wheat aphid, Diuraphis noxia (Mordvilko), was measured in petri dish arenas as well as on plants withExpand
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Divergent responses of two cereal aphids to previous infestation of their host plant
We examined the effects of prior infestation by the Russian wheat aphid [Diuraphis noxia (Mordvilko)] and the bird cherry‐oat aphid [Rhopalosiphum padi (L.)] on the subsequent feeding preferences andExpand
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Heritability and ‘evolvability’ of fitness components in Callosobruchus maculatus
Heritabilities of traits closely related to fitness (e.g. life-history traits) tend to be lower than those of morphological traits in natural populations. It is unclear, however, whether this patternExpand
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Life-history variation in a seed beetle: adult egg-laying vs. larval competitive ability
SummaryPopulations of the seed beetle Callosobruchus maculatus differ genetically in several traits that mediate intraspecific competition. This study examined competitive interactions between larvaeExpand
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Expression of a life‐history trade‐off in a seed beetle depends on environmental context
Within populations of the seed beetle Callosobruchus maculatus (F.) (Coleoptera: Bruchidae), female longevity is positively correlated with fecundity, both phenotypically and genetically. YetExpand
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How labile are the egg‐laying preferences of seed beetles?
Abstract.  1. Previous studies have produced conflicting results with respect to the genetic lability of host preference in the seed beetle Callosobruchus maculatus.
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