Larval Adaptation of the Endangered Maritime Ringlet &lt;I&gt;Coenonympha tullia nipisiquit&lt;/I&gt; McDonnough (Lepidoptera: Nymphalidae) to a Saline Wetland Habitat

Sei, Makiri

doi:10.1603/0046-225x-33.6.1535

Cited by 9 publications

(11 citation statements)

References 38 publications

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“…Baie des Chaleurs is home to an endemic and endangered saltmarsh butterfly, the Maritime Ringlet (Coenonypha tullia nipisiquit, McDunnough 1939). Recent studies have suggested that this butterfly has evolved physiological adaptation to saline wetland conditions including tolerance of tidewater submergence for up to 24 hours (Webster 1998;Sei 2004). The endemic but somewhat more widespread Maritime Copper Butterfly (Lycaena dos passosi McDunnough) is also confined to the saltmarshes of northern New Brunswick and Gaspé (Thomas 1980).…”

Section: Baie Des Chaleursmentioning

confidence: 99%

Use of Saltmarsh by Dragonflies (Odonata) in the Baie des Chaleurs Region of Quebec and New Brunswick in Late Summer and Autumn

Catling¹,

Hutchinson²,

Brunelle

2006

Can Field Nat

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Section: Baie Des Chaleursmentioning

confidence: 99%

Use of Saltmarsh by Dragonflies (Odonata) in the Baie des Chaleurs Region of Quebec and New Brunswick in Late Summer and Autumn

Catling¹,

Hutchinson²,

Brunelle

2006

Can Field Nat

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“…Even with initially fixed differences, low F ST values are reached within 30 generations provided m > ~3% and N 1 / N 2 = 1. Given the proximity of the paired populations and the mobility of the butterflies (Sei 2004), we expect demographic exchange rates to be near or above this value. High F ST values therefore imply some sort of behavioural or physiological barrier to introgression, rather than being artefacts of nonequilibrium dynamics.…”

Section: Methodsmentioning

confidence: 99%

“…It feeds mainly on the salt‐meadow cordgrass, Spartina patens (Aiton) Muhl. (Webster 1998), experiences periodical flooding during high tides, and has narrow requirements for larval microhabitats within a salt marsh (Sei & Porter 2003; Sei 2004). In contrast, the inornate ringlet ( C. inornata Edwards) is a common and widespread taxon throughout the northeastern United States and southeastern provinces of Canada that inhabits upland and wet meadows, and uses various grasses as hosts (Davenport 1941; Brown 1955).…”

Section: Introductionmentioning

confidence: 99%

“…Even though they are ecologically quite different, individuals of these morphologically variable taxa are not easily distinguishable, especially older individuals with worn wings. However, physiological adaptations to salt‐marsh habitat, such as larval tolerance to hypoxia and hyperosmosis, are not shared between the maritime and inornate ringlet (Sei 2004). Although inornate ringlets do not breed in salt marshes, they often breed in close proximity to maritime ringlet populations (Webster 1998).…”

Section: Introductionmentioning

confidence: 99%

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Delimiting species boundaries and the conservation genetics of the endangered maritime ringlet butterfly (Coenonympha nipisiquitMcDunnough)

Sei¹,

Porter

2007

Molecular Ecology

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Species delimitation is a difficult problem that has implications across organismal biology, yet no single method has proved wholly satisfactory. We tested the utility of combining species-delimitation methods based on phylogeny and gene flow statistics using two parapatric members of the Coenonympha tullia group as an example: the endangered maritime ringlet butterfly (Coenonympha nipisiquit McDunnough) and the common inornate ringlet butterfly (Coenonympha inornata Edwards). We reconstructed the phylogeny of the nearctic C. tullia-group taxa from mitochondrial DNA (mtDNA) sequences (cytochrome oxidase I and mitochondrial control region) to explore the ancestry of the C. nipisiquit lineage within the group. We investigated the extent of gene flow between the two taxa with F-statistics using 587 nuclear amplified fragment length polymorphism markers, accounting for the effect of potential scoring 'collisions' where a marker may represent more than one DNA fragment. Combining species-delimitation methods was especially effective because it uncovered both historical and recent evolutionary patterns. Phylogenetic analysis of mtDNA revealed the early divergence of C. nipisiquit from other C. tullia-group taxa, including the morphologically similar C. inornata. F-statistics and gene-by-gene introgression profiles demonstrated clear isolation between the two taxa and revealed strong population structure within C. nipisiquit. C. nipisiquit is the first taxon in the nearctic C. tullia group showing strong evidence of genetic isolation. The methods we used are relatively inexpensive and can be widely used to delimit taxonomic boundaries near the species level, both generally and in particular for taxa that may be targets of conservation efforts.

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“…These seasonal changes present a challenging environment for even the most adapted organisms (Naiman and Decamps 1997). The effects of prolonged immersion or exposure to hypoxic environments on metabolically active insects has been extensively studied (reviewed by Hoback 2011), but relatively overlooked with regards to species conser vation (Sei 2004, Brust et al 2006. Between 1999 and2004, 49 surveys identified only six sites supporting Ironoquia plattensis Alexander and Whiles, including the type locality (Goldowitz 2004).…”

mentioning

confidence: 99%

Hypoxia Tolerance of Larvae and Pupae of the Semi-Terrestrial Caddisfly (Trichoptera: Limnephilidae)

Cavallaro

Hoback

2014

Annals of the Entomological Society of America

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The caddisfly, Ironoquia plattensis Alexander and Whiles, is a benthic macroinverte brate endemic to the backwater sloughs and prairie wetlands in central Nebraska. These areas are subject to spring rains which wane to subsequent drying, and I. plattensis larvae are adapted to this hydric cycle, partitioning time as larvae in water and on land. Flooding, especially soil flooding, causes severe hypoxia, and most terrestrial organisms that are trapped underwater drown in a short period of time. Shallow, warm waters (>30°C) and aquatic environments that receive high nutrients can also experience severe hypoxia as a result of algal blooms, decomposition, and high biological oxygen demand. We exposed aquatic larvae, terrestrial larvae, and pupae of I. plattensis to severely hypoxic water and found that pupae were most sensitive, having a lethal time to 50% mortality (LT50) of 3.14 and 7.67 h, at 20 and 10°C, respectively. Aquatic fifth instars had an LT50 of 44.17 and 74.21 h and terrestrial larvae survived 61.68 and 89.89 h, at 20 and 10°C, respectively. The hypoxia tolerance of terrestrial larval stages suggests an adaptation to flooding while the sensitivity of the pupal stage suggests that fall flooding could cause significant mortality.

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Larval Adaptation of the Endangered Maritime Ringlet <I>Coenonympha tullia nipisiquit</I> McDonnough (Lepidoptera: Nymphalidae) to a Saline Wetland Habitat

Cited by 9 publications

References 38 publications

Use of Saltmarsh by Dragonflies (Odonata) in the Baie des Chaleurs Region of Quebec and New Brunswick in Late Summer and Autumn

Use of Saltmarsh by Dragonflies (Odonata) in the Baie des Chaleurs Region of Quebec and New Brunswick in Late Summer and Autumn

Delimiting species boundaries and the conservation genetics of the endangered maritime ringlet butterfly (Coenonympha nipisiquitMcDunnough)

Hypoxia Tolerance of Larvae and Pupae of the Semi-Terrestrial Caddisfly (Trichoptera: Limnephilidae)

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