Early Stage of Host Range Expansion by a Specialist Herbivore, Euphydryas Phaeton (Nymphalidae)

Bowers, M. Deane; Stamp, Nancy E.; Collinge, Sharon K.

doi:10.2307/1940758

Cited by 106 publications

(105 citation statements)

References 55 publications

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“…Even so, specialist butterflies are known to use alien plants in North America (e.g. Euphydryas editha and E. phaeton; Bowers et al, 1992b, Singer et al, 1993 and in continental Europe (e.g. Neptis sappho; Jutzeler et al, 2000).…”

Section: Discussionmentioning

confidence: 99%

“…Native insects are increasingly colonising the alien plants (Kenis et al, 2007) and alien insects often accompany their introductions (Smith et al, 2007). Among users of alien plants are butterflies; alien plants can be important larval hosts and nectar sources (Bowers et al, 1992b;Singer et al, 1993;Pryke & Samways, 2003;Graves & Shapiro, 2003;DiTommaso et al, 2005; though they can also be toxic to butterfly species (Graves & Shapiro, 2003).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Resources for British butterflies (Lepidoptera: Hesperioidea, Papilionoidea). The alien consumer component and its significance for butterfly habitats

Hardy¹,

Dennis²

2008

Eur. J. Entomol.

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Abstract. With climatic warming there is an expectation that phytophagous insects will increasingly use alien (non native) plants as nectar sources and larval host plants. Alien plant use is investigated in British butterflies. Butterflies are considered to be larval host plant specialists relative to their use of nectar plants. Supporting this view, use of alien plants as nectar sources (50.1%, 27 novel plant families) is almost twice that of their use as larval host plants (21.6%; three novel plant families). Some 80% of the variation in percent alien nectar plant use is accounted against 30% of that for percent alien host plant use. The key variable accounting for alien plant use is butterfly mobility. Other prominent variables that facilitate access to alien nectar plants are southern distributions, longer adult life span, host plants in garden biotopes. A different set of variables additionally account for alien host plant exploitation (% alien host plant use: woody host plants; number of alien host plants: polyphagy; greater abundance of native host plants in gardens). Although threatened butterfly species do not depend on alien plants, this may well reflect on specialisation in resource use accompanying habitat fragmentation and an inability to use novel resources that are becoming increasingly available. Detailed study of alien resources is advocated to assess the importance of alien plant resources for phytophagous insects.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Resources for British butterflies (Lepidoptera: Hesperioidea, Papilionoidea). The alien consumer component and its significance for butterfly habitats

Hardy¹,

Dennis²

2008

Eur. J. Entomol.

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“…Several explanations have been proposed for conservatism ( Thompson, 1993;Wehling & Thompson, 1997 ). Firstly, it may just result from a lack of time to adapt, as in the responses of several butterfly species to introduced plants ( Tabashnik, 1983;Bowers et al , 1992 ). Secondly, high rates of gene flow may constrain divergence ( Jaenike, 1989 ), because the extent of local adaptation depends on the balance between gene flow and selection ( Barton & Whitlock, 1997;Lenormand, 2002 ).…”

Section: Discussionmentioning

confidence: 99%

Conserved oviposition preferences in alpine leaf beetle populations despite host shifts and isolation

Verdon

Margraf

Davison

et al. 2007

Ecological Entomology

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1. Choosing the plant on which to lay their eggs is the last act of care that most female herbivorous insects bestow upon their offspring. These decisions play a pivotal role in insect–plant interactions, placing host preference under strong selection and contributing to the diversity of phytophagous insects as one of the first traits to adapt to new hosts.2. This study presents a test of whether extreme isolation and exposure to different host plants can produce intra‐specific divergence in oviposition preference in alpine insects. Geographic variation should impose selection to fine‐tune host plant ranking and specificity to the plants normally encountered, to avoid wasting time during the very limited reproductive season experienced at high altitudes.3. Beetles from five populations of Oreina elongata differing in host availability were offered three natural hosts: Cirsium spinosissimum, Adenostyles alliariae, and Adenostyles glabra. A novel application of a continuation ratio model (logistic regression) was made to sequential no‐choice experiments, combined with quasi‐likelihood analysis of multiple‐choice experiments.4. The results show little geographic variation in host plant choice: all populations strongly preferred Cirsium in multiple‐choice trials, and in no‐choice experiments laid around 47% of their remaining eggs during each stage, almost regardless of the host present.5. Enemy‐free space seems to explain the preference for Cirsium, but isolation and exposure to different plants has clearly not caused local adaptation in host plant ranking or specificity. Reasons for this conservatism despite divergence in other characteristics are discussed.

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“…These compounds are most probably used by herbivorous insects, including melitaeine butterflies, as a chemical defence against predators (Bowers, 1980;Bowers et al, 1992;Stamp, 1992;Camara, 1997). As expected of a chemically defended species, the caterpillars are conspicuous.…”

Section: Natural Historymentioning

confidence: 99%

Spatial and temporal patterns of caterpillar performance and the suitability of two host plant species

Nouhuys

Singer

Nieminen

2003

Ecological Entomology

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Abstract. 1. The butterfly Melitaea cinxia uses two host plant species in the A Ê land Islands of south-west Finland. Survey data show that host plant use is spatially variable and that the two species are not used (fed on by M. cinxia larvae) in proportion to their abundances. The pattern of host plant use by M. cinxia has been attributed in part to plant distribution and spatial variation of butterfly oviposition preference.2. The additional roles that may be played by spatial variation in host plant quality and larval physiology (performance ability) were investigated. Seven years of field survey data and a series of laboratory experiments were used to demonstrate that neither of these variables contributed measurably to the observed pattern of host plant use.3. Specifically, while there was great variation among individuals in both the performance ability of caterpillars and host plant suitability, the two plant species appeared equally suitable, there was no within-species geographic variation in plant suitability, and there was no evidence for adaptation of caterpillars to the locally used host plants.

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Early Stage of Host Range Expansion by a Specialist Herbivore, Euphydryas Phaeton (Nymphalidae)

Cited by 106 publications

References 55 publications

Resources for British butterflies (Lepidoptera: Hesperioidea, Papilionoidea). The alien consumer component and its significance for butterfly habitats

Resources for British butterflies (Lepidoptera: Hesperioidea, Papilionoidea). The alien consumer component and its significance for butterfly habitats

Conserved oviposition preferences in alpine leaf beetle populations despite host shifts and isolation

Spatial and temporal patterns of caterpillar performance and the suitability of two host plant species

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