RESPONSES TO SELECTION ON FLIGHT BEHAVIOR IN A MIGRATORY POPULATION OF MILKWEED BUG (
            <i>ONCOPELTUS FASCIATUS</i>
            )

Palmer, James O.; Dingle, Hugh

doi:10.1111/j.1558-5646.1989.tb02629.x

Cited by 17 publications

(10 citation statements)

References 16 publications

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“…Furthermore, Hanski et al (2006) found no overall trade-oV between dispersal and reproduction, but instead there was an indication that cumulative number of clutches laid was greater in newly-established than in old populations. These results for the Glanville fritillary are consistent with previous Wndings showing that in migratory populations of the milkweed bug (Oncopeltus fasciatus), lines selected for long-duration Xight showed higher early-life fecundity than non-Xiers (Palmer and Dingle 1989), whereas no such correlation was found in a non-migratory population (Dingle et al 1988).…”

Section: Introductionsupporting

confidence: 93%

“…Palmer and Dingle (1989) have demonstrated similar diVerences between a migratory (from Iowa) and nonmigratory (from Puerto Rico) strain of the milkweed bug O. fasciatus. In a selection experiment they found that the migratory population exhibited positive correlated responses in long-duration Xight and early reproduction, while there was no similar correlation in the non-migratory population (Dingle et al 1988;Palmer and Dingle 1989). In the present study, the diVerence appears between local populations of diVerent ages in the same metapopulation.…”

Section: Discussionmentioning

confidence: 63%

“…Selection experiments have shown that in T. castaneum, which is considered a "primary colonist", high dispersal rate is positively correlated with high fecundity, whereas in T. confusum, a "secondary colonist", there is no such correlation (Lavie and Ritte 1978;Ziegler 1976). Palmer and Dingle (1989) have demonstrated similar diVerences between a migratory (from Iowa) and nonmigratory (from Puerto Rico) strain of the milkweed bug O. fasciatus. In a selection experiment they found that the migratory population exhibited positive correlated responses in long-duration Xight and early reproduction, while there was no similar correlation in the non-migratory population (Dingle et al 1988;Palmer and Dingle 1989).…”

Section: Discussionmentioning

confidence: 70%

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Mobility and lifetime fecundity in new versus old populations of the Glanville fritillary butterfly

Saastamoinen

2007

Oecologia

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Life history theory often assumes a trade-off between dispersal and reproduction, and such a trade-off is commonly observed in wing-dimorphic insects. The results are less consistent for wing-monomorphic species, for which it is more difficult to assess dispersal capacity and rate. Three replicate experiments were carried out in consecutive years on the Glanville fritillary butterfly in a large outdoor population cage to study the relationship between lifetime egg production and mobility. The experimental material included females originating from newly-established and old populations, as previous studies have shown dispersal capacity to depend on population age. There was a consistent and significant interaction between mobility and population age, such that in newly-established populations mobile females had higher fecundity than less mobile females, while in old populations there was no such relationship. As selection favours individuals with the highest fecundity, selection pressure on mobility is likely to be different between the two population types, which may contribute to maintenance of variation in dispersal rate in the metapopulation as a whole. Several other female traits also affected lifetime fecundity, including lifespan, number of matings and date of eclosion, although these effects were not consistent across the years. These results highlight the importance of conducting experiments in more than one year before generalizing about patterns in life history variation.

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Section: Introductionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 63%

Section: Discussionmentioning

confidence: 70%

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Mobility and lifetime fecundity in new versus old populations of the Glanville fritillary butterfly

Saastamoinen

2007

Oecologia

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“…In insects, colonization success and¯ight ability are related to adult morphology. For example, the propensity and duration of¯ight is related to wing length (Palmer and Dingle 1989;Fairbairn and Ro 1990), and an increased incidence of macropterous (long-winged) individuals in newly established populations indicates that colonization ability is related to wing size in dimorphic species (Den Boer 1970;Niemela and Spence 1991). Many studies have demonstrated a tradeo between¯ight and reproduction, and non-dispersive morphs typically have higher fecundities and/or reproduce earlier (reviewed by Zera and Denno 1997).…”

Section: Introductionmentioning

confidence: 96%

Evolution of flight morphology in a butterfly that has recently expanded its geographic range

1999

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Individuals colonizing unoccupied habitats typically possess characters associated with increased dispersal and, in insects, colonization success has been related to flight morphology. The speckled wood butterfly, Pararge aegeria, has undergone recent major expansions in its distribution: in the north of its range, P. aegeria has colonized many areas in north and east England, and in the south, it was first recorded on Madeira in 1976. We examined morphological traits associated with flight and reproduction in the northern subspecies tircis, and in the southern subspecies aegeria, from sites colonized about 20 years ago in northern England and on Madeira, respectively. Investment in flight was measured as relative wing area and thorax mass, and investment in reproduction as relative abdomen mass. All measurements were from individuals reared in a common environment and there were significant family effects in most of the variables measured. Compared with individuals from sites continuously occupied in recent history, colonizing individuals were larger (adult live mass). In the subspecies tircis, colonizing individuals also had relatively larger thoraxes and lower wing aspect ratios indicating that evolutionary changes in flight morphology may be related to colonization. However, sex by site interactions in analyses of thorax mass and abdomen mass suggest different selection pressures on flight morphology between the sexes in relation to colonization. Overall, the subspecies aegeria was smaller (adult live mass) and had a relatively larger thorax and wings, and smaller abdomen than subspecies tircis. Evolutionary changes in flight morphology and dispersal rate may be important determinants of range expansion, and may affect responses to future climate change.

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“…Additionally, flying ability within species can show considerable variation, even without obvious changes to wing morphology (Dingle et al 1980b). When Oncopeltus fasciatus from both migratory and nonmigratory populations were subjected to artificial selection for wing length in the laboratory, both showed a positive response, and flying ability also responded positively to selection (Dingle and Evans 1987;Palmer and Dingle 1989). It has been observed that within the Lygaeinae, wing reductions typically occur in ground-living species that feed upon fallen seeds while those that feed upon plants typically retain their flying ability.…”

Section: Pheromones In Lygaeidaeaggregation and Communicationmentioning

confidence: 99%

The evolutionary ecology of the Lygaeidae

Burdfield‐Steel

Shuker

2014

Ecology and Evolution

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The Lygaeidae (sensu lato) are a highly successful family of true bugs found worldwide, yet many aspects of their ecology and evolution remain obscure or unknown. While a few species have attracted considerable attention as model species for the study of insect physiology, it is only relatively recently that biologists have begun to explore aspects of their behavior, life history evolution, and patterns of intra- and interspecific ecological interactions across more species. As a result though, a range of new phenotypes and opportunities for addressing current questions in evolutionary ecology has been uncovered. For example, researchers have revealed hitherto unexpectedly rich patterns of bacterial symbiosis, begun to explore the evolutionary function of the family's complex genitalia, and also found evidence of parthenogenesis. Here we review our current understanding of the biology and ecology of the group as a whole, focusing on several of the best-studied characteristics of the group, including aposematism (i.e., the evolution of warning coloration), chemical communication, sexual selection (especially, postcopulatory sexual selection), sexual conflict, and patterns of host-endosymbiont coevolution. Importantly, many of these aspects of lygaeid biology are likely to interact, offering new avenues for research, for instance into how the evolution of aposematism influences sexual selection. With the growing availability of genomic tools for previously “non-model” organisms, combined with the relative ease of keeping many of the polyphagous species in the laboratory, we argue that these bugs offer many opportunities for behavioral and evolutionary ecologists.

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RESPONSES TO SELECTION ON FLIGHT BEHAVIOR IN A MIGRATORY POPULATION OF MILKWEED BUG ( ONCOPELTUS FASCIATUS )

Cited by 17 publications

References 16 publications

Mobility and lifetime fecundity in new versus old populations of the Glanville fritillary butterfly

Mobility and lifetime fecundity in new versus old populations of the Glanville fritillary butterfly

Evolution of flight morphology in a butterfly that has recently expanded its geographic range

The evolutionary ecology of the Lygaeidae

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