How far have we come: 170 years of research on Canadian Coleoptera

Majka, Christopher G.; Klimaszewski, Jan

doi:10.3897/zookeys.2.22

Cited by 2 publications

(3 citation statements)

References 42 publications

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“…Although our study led to a substantial increase in the known fauna from Churchill, from ca. 60 to >300 species and provisional species, and from 20 to 33 families, our results based upon six years of collecting and DNA barcoding of >3000 specimens nevertheless confirm the relatively impoverished fauna compared with that of more southerly locations [2,5-7]. Moreover, there is a relative paucity of phytophagous and soil-dwelling detritivorous species.…”

Section: Discussionsupporting

confidence: 59%

“…In Canada, there are >7400 described species of beetles in approximately 112 families [2-5]. Beetle richness diminishes at increasing latitudes, and only 14% of Canadian beetle families occur north of the tree line [6].…”

Section: Introductionmentioning

confidence: 99%

“…Coleoptera is the most diverse order of insects in the world [ 1 ] and dominates many ecosystems in terms of individual abundance and niches occupied. In Canada, there are >7400 described species of beetles in approximately 112 families [ 2 - 5 ]. Beetle richness diminishes at increasing latitudes, and only 14% of Canadian beetle families occur north of the tree line [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

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The diversity and biogeography of the Coleoptera of Churchill: insights from DNA barcoding

et al. 2013

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BackgroundColeoptera is the most diverse order of insects (>300,000 described species), but its richness diminishes at increasing latitudes (e.g., ca. 7400 species recorded in Canada), particularly of phytophagous and detritivorous species. However, incomplete sampling of northern habitats and a lack of taxonomic study of some families limits our understanding of biodiversity patterns in the Coleoptera. We conducted an intensive biodiversity survey from 2006–2010 at Churchill, Manitoba, Canada in order to quantify beetle species diversity in this model region, and to prepare a barcode library of beetles for sub-arctic biodiversity and ecological research. We employed DNA barcoding to provide estimates of provisional species diversity, including for families currently lacking taxonomic expertise, and to examine the guild structure, habitat distribution, and biogeography of beetles in the Churchill region.ResultsWe obtained DNA barcodes from 3203 specimens representing 302 species or provisional species (the latter quantitatively defined on the basis of Molecular Operational Taxonomic Units, MOTUs) in 31 families of Coleoptera. Of the 184 taxa identified to the level of a Linnaean species name, 170 (92.4%) corresponded to a single MOTU, four (2.2%) represented closely related sibling species pairs within a single MOTU, and ten (5.4%) were divided into two or more MOTUs suggestive of cryptic species. The most diverse families were the Dytiscidae (63 spp.), Staphylinidae (54 spp.), and Carabidae (52 spp.), although the accumulation curve for Staphylinidae suggests that considerable additional diversity remains to be sampled in this family. Most of the species present are predatory, with phytophagous, mycophagous, and saprophagous guilds being represented by fewer species. Most named species of Carabidae and Dytiscidae showed a significant bias toward open habitats (wet or dry). Forest habitats, particularly dry boreal forest, although limited in extent in the region, were undersampled.ConclusionsWe present an updated species list for this region as well as a species-level DNA barcode reference library. This resource will facilitate future work, such as biomonitoring and the study of the ecology and distribution of larvae.

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Section: Discussionsupporting

confidence: 59%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The diversity and biogeography of the Coleoptera of Churchill: insights from DNA barcoding

et al. 2013

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Revision of the Nearctic Haliplidae (Coleoptera)

Vondel

2021

Tijdschr. Entomol.

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The Haliplidae of the Nearctic region are revised. The generic and subgeneric division as proposed by Vondel is accepted here. The subgenus Paraliaphlus Guignot, 1930 is redefined. One species is described as new: Peltodytes roughleyi sp. n. Haliplus ohioensis Wallis, 1933, H. ungularis Wallis, 1933 and H. canadensis Wallis, 1933 are established as junior synonyms of H. annulatus Roberts, 1913, H. cylindricus Roberts, 1913 and H. nitens LeConte, 1850, respectively. Peltodytes lengi Roberts, 1913 is established as junior synonym of P. duodecimpunctatus (Say, 1823). P. mexicanus (Wehncke, 1883) and P. dispersus Roberts, 1913 are both established as junior synonyms of P. simplex (LeConte, 1852). Lectotypes are designated for Haliplus blanchardi Roberts, 1913, H. Roberts, 1913, H. cylindricus Roberts, 1913, H. fasciatus Aubé, 1838, H. gracilis Roberts, 1913, H. leopardus Roberts, 1913, H. pantherinus Aubé, 1838, Peltodytes dispersus Roberts, 1913, P. duodecimpunctatus (Say, 1823), P. festivus (Wehncke, 1876), P. oppositus Roberts, 1913, P. sexmaculatus Roberts, 1913, P. shermani Roberts, 1913 and P. tortulosus Roberts, 1913. All species are illustrated and (re)described. A key to the Nearctic species is provided, as well as distribution maps.

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How far have we come: 170 years of research on Canadian Coleoptera

Cited by 2 publications

References 42 publications

The diversity and biogeography of the Coleoptera of Churchill: insights from DNA barcoding

The diversity and biogeography of the Coleoptera of Churchill: insights from DNA barcoding

Revision of the Nearctic Haliplidae (Coleoptera)

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