Description of the larva of<i>Somatochlora hineana</i>with a key to the larvae of the North American species of<i>Somatochlora</i>(Odonata: Corduliidae)

Cashatt, Everett D.; Vogt, Timothy E.

doi:10.1080/13887890.2001.9748164

Cited by 9 publications

(5 citation statements)

References 7 publications

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“…The two remaining species, S. ozarkensis and S. provocans each have 7-8 palpal setae while S. margarita has 9. Larvae of many species of Somatochlora are often hard to collect due to their restricted habitats (Cashatt & Vogt 2001). Several species including S. ensigera Martin (Huggins 1983) and S. filosa (Dunkle 1977) have been described based on reared final stadium larvae and in some cases exuviae.…”

Section: Methodsmentioning

confidence: 99%

“…Several species including S. ensigera Martin (Huggins 1983) and S. filosa (Dunkle 1977) have been described based on reared final stadium larvae and in some cases exuviae. Cashatt & Vogt (2001) provided a key to all known North American Somatochlora larvae. In this keyS.…”

Section: Methodsmentioning

confidence: 99%

“…The larval stage of 24 of the 26 known species of Somatochlora occurring in North America has been described (Cashatt & Vogt 2001;Steffens & Smith 2006). The two remaining species areS.…”

Section: Introductionmentioning

confidence: 99%

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Description of the larva of Somatochlora margarita (Odonata: Corduiiidae)

Abbott

Mynhardt

2007

International Journal of Odonatology

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The larva of Somatochlora margarita is described from a specimen reared from the egg to the final stadium. The larva, previously unknown, is morphologically similar to the larvae of S. calverti, S. filosa, S. ozarkensis, and S. provocans. Combinations of diagnostic characters are given for distinguishing these species. Growth of this species is discussed with respect to other species of Somatochlora and Odonata.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Description of the larva of Somatochlora margarita (Odonata: Corduiiidae)

Abbott

Mynhardt

2007

International Journal of Odonatology

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“…It has not been rediscovered in Ohio (Glotzhober & McShaffrey 2002) or Indiana (Curry 2001) despite special searches, but there is an anomalous 1978 record from northeastern Alabama (Tennessen et al 1995). Interestingly, it has been found that the larvae can survive winter or drought in crayfish (Cambarus diogenes) burrows (Vogt & Cashatt 1994;Cashatt & Vogt 2001). Genetic studies indicate several separated metapopulations (Purdue et al 1996).…”

Section: Somatochlora Hineanamentioning

confidence: 96%

Critical species of Odonata in North America

Dunkle

2004

International Journal of Odonatology

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“…For example, the known geographic distribution of extant and extirpated populations of the federally endangered dragonfly Somatochlora hineana Williamson (Odonata: Corduliidae) is depicted in Figure 1. The geographic distribution of this species is limited by restrictive habitat requirements that include wetlands with calcareous seepage flow (Cashatt & Vogt, 2001;Vogt & Cashatt, 1994), the presence of crayfish burrows that nymphs use as refugia (Pintor & Soluk, 2006;Soluk et al, 2000), and nearby meadows or pasture for adult foraging (Foster & Soluk, 2006 Table S4) cattail marshes, sedge meadows, and fens (Cashatt & Vogt, 2001;Foster & Soluk, 2006;Pintor & Soluk, 2006;Vogt & Cashatt, 1994), but these Hine's emerald dragonfly (HED) habitats will all be referred to as 'fens' in this paper as fens are the exclusive HED habitat in the Ozarks and the most common HED habitat in the Great Lakes region. Most fen habitat in the contiguous United States is found in the Great Lakes region.…”

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confidence: 99%

Contrasting Ozark and Great Lakes populations in the endangered Hines emerald dragonfly (Somatochlora hineana) using ecological, genetic, and phylogeographic analyses

Walker

Mahoney

Templeton

et al. 2020

Conservat Sci and Prac

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The federally endangered species Hine's emerald dragonfly (Somatochlora hineana) is found in fens surrounding the Great Lakes region and in a small portion of the Missouri Ozarks. Most previous work has focused on the populations in the Great Lakes region. We present mark/recapture studies and genetic surveys to address the status of the Ozark populations. The densities and genetic diversity tend to be higher in the Ozarks than in the Great Lakes region. A phylogeographic analysis indicates that the Ozarks, with its unglaciated fens, is the likely source for the populations currently inhabiting the formerly glaciated Great Lakes region, and genetic diversity decreases with increasing distance from the Ozarks. This work illustrates the inadequacy of using geography alone to identify a population as marginal and of less conservation concern. We also reanalyzed genetic data on the Great Lakes populations, where several populations have been extirpated over the last several decades. We show that the populations in the Great Lakes region have already lost more than 30% of their genetic diversity over just several decades, and the phylogeographic analysis indicates that increased fragmentation is a possibility in this region due to local extirpations. Ecologically and genetically, the Ozark populations should have a high priority in management plans, and the high rate of loss of genetic diversity and potential fragmentation indicates that continued monitoring and management is needed in the Great Lakes region for this highly endangered dragonfly.

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Description of the larva ofSomatochlora hineanawith a key to the larvae of the North American species ofSomatochlora(Odonata: Corduliidae)

Cited by 9 publications

References 7 publications

Description of the larva of Somatochlora margarita (Odonata: Corduiiidae)

Description of the larva of Somatochlora margarita (Odonata: Corduiiidae)

Critical species of Odonata in North America

Contrasting Ozark and Great Lakes populations in the endangered Hines emerald dragonfly (Somatochlora hineana) using ecological, genetic, and phylogeographic analyses

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