Works in Canada

Two genera, Apimela Mulsant & Rey and Gyronycha Casey (both Aleocharinae: Oxypodini: Meoticina), are recorded from New Brunswick and Canada for the first time. The following speci…

Quedius (Raphirus) spencei Jacobs and Bergeron, new species, (Coleoptera: Staphylinidae), is described based on specimens from two localities (type locality: 35 km. E Dixonville, …

Bark beetles (Scolytinae) are hosts to a broad diversity of mites (Acari), including several genera of Oribatida (Sarcoptiformes). Of these, Paraleius (Scheloribatidae) species ar…

The prior genus-level classification of Cardiophorinae had never been assessed phylogenetically, and not revised since 1906. A phylogeny for Cardiophorinae and Negastriinae is inf…

The harmochirine jumping spiders include the New World Habronattus, notable for their complex courtship displays, and Pellenes, found throughout the Old World and North America. F…

Microgastrinae wasps (Hymenoptera, Braconidae) from the city of Ottawa and its surroundings (a 50-km radius circle, ~7,800 km2) were studied based on 1,928 specimens collected bet…

The Gonioctena nivosa species-group of the genus Gonioctena Chevrolat, 1836 is defined and reviewed. It contains six species including two new to science: G. gracilicornis (Kraatz…

Two new species, Atheta pseudovestita Klimaszewski & Langor, sp. n., Silusa prettyae Klimaszewski & Langor, sp. n., are described, and 16 new provincial records, including one new…

The identity of Celastrina species in eastern Canada is reviewed based on larval host plants, phenology, adult phenotypes, mtDNA barcodes and re-assessment of published data. The …

Thirteen new species of North American Testudacarus (Torrenticolidae: Testudacarinae) are described: T. deceptivus O’Neill & Dowling, sp. n., T. hitchensi O’Neill & Dowling, sp. n…

A new species, Anomognathus athabascensis Klimaszewski, Hammond & Langor, sp. n., and nine new provincial records including one new country record of aleocharine beetles are prese…

The previously unknown larva of Mitosynum vockerothi Campbell, 1982, is described and illustrated. Adult male terminalia and genitalia are illustrated with line drawings. Adults o…

Fourteen species of Liogluta Thomson are reported from Canada and Alaska. Three of these are described as new to science: Liogluta castoris Klimaszewski & Webster, sp. n.; Lioglut…

This paper treats the discovery of new species and new records of Staphylinidae from the subfamilies Omaliinae, Proteininae, Tachyporinae, Oxytelinae, Scydmaeninae, Steninae, Euae…

This paper treats the discovery of new species and new records of aleocharine beetles for the province of New Brunswick. We report here 27 species new to science, one new North Am…

This paper presents 27 new records of Curculionoidea for the province of New Brunswick, Canada, including three species new to Canada, and 12 adventive species, as follows: Eusphr…

This paper treats 134 new records of Coleoptera for the province of New Brunswick, Canada from the following 41 families: Gyrinidae, Carabidae, Dytiscidae, Histeridae, Leiodidae, …

The Ciidae of New Brunswick, Canada are reviewed. Seventeen species are recorded for New Brunswick, including the following 10 species that are newly recorded for the province: Ce…

The following three species of Helophoridae are newly recorded for New Brunswick, Canada: Helophorus (Kyphohelophorus) turberculatus Gyllenhal, Helophorus (Rhopaleloporus) oblongu…

Chaetaglaea tremula (Harvey) occurs through the Gulf States, from southern Florida, west to eastern Texas. Coastal populations, previously referred to Chaetaglaea tremula occurrin…

Sixteen species of Cerambycidae are newly recorded for New Brunswick, Canada; Arhopalus obsoletus (Randall), Atimia confusa confusa (Say), Callidium frigidum Casey, Phymatodes amo…

In this paper new mitochondrial COI sequences of Common Barn Owl Tyto alba (Scopoli, 1769) and Short-eared Owl Asio flammeus (Pontoppidan, 1763) from southern Chile are reported a…

The genus Aseptis McDunnough (Lepidoptera, Noctuidae, Noctuinae, Xylenini, Xylenina) is revised to include 15 species based on morphological and molecular data. Several new synony…

The chaetotaxy of 15 species of eastern North American Entomobrya is redescribed in order to determine potential characters for the diagnosis of cryptic lineages and evaluate the …

This paper treats 13 species of the subgenus Microdota Mulsant & Rey of Atheta Thomson and 3 species of the genus Clusiota Casey in Canada and Alaska. We report here 4 species new…

Fifty-four new Canadian provincial records of aleocharine beetles (Staphylinidae), including three new Canadian records and one new North American record, are presented. Of these,…

Six species of the genus Mocyta Mulsant & Rey are reported from Canada: Mocyta amblystegii (Brundin), M. breviuscula (Mäklin), M. discreta (Casey), M. fungi (Gravenhorst), M. lute…

The diverse genus Ophion is almost entirely undescribed in the Nearctic region. In this paper we define the Ophion scutellaris species group. This species group is well-supported …

Pseudapanteles is a moderately diverse genus of Microgastrinae parasitoid wasps (Hymenoptera: Braconidae), endemic to the New World and with the vast majority of its species (incl…

Diatoms are major primary producers known to respond rapidly to environmental change, making them useful indicators for ecological assessment and monitoring. In the Salish Sea bio…

Bird nests are fascinating microcosms harboring a wide range of arthropods parasitizing the nesting birds or feeding on prey remains, feces, and the nest material. Studies of thes…

Whitebark pine (Pinus albicaulis) and limber pine (Pinus flexilis) are endangered species in Alberta that rely on seed caching by Clark’s Nutcracker (Nucifraga columbiana) for reg…

With a steadily shrinking natural landscape in the province of Saskatchewan, Canada, mainly caused by intensive agriculture, conservation of threatened plants in situ should becom…

Sedge (Carex L.) is the largest genus of vascular plants in Saskatchewan, Canada, where it is represented by 105 species. The aim of this study was to develop an effective procedu…

Identifying of global or national biodiversity ‘hotspots’ has proven important for focusing and prioritizing conservation efforts worldwide. Canada has nearly 600 Important Bird a…

The Rocky Mountain ridged mussel (Gonidea angulata) is a bivalve species whose Canadian range is limited to the Okanagan Valley, British Columbia. In 2019, conflicts between habit…

We describe an interspecific relationship wherein grizzly bears (Ursus arctos horribilis) appear to seek out and consume agricultural seeds concentrated in the middens of red squi…

Fungal communities forming associations with plant roots have generally been described as ranging from symbiotic to parasitic. Disruptions to these associations consequently can h…

Insular organisms typically evolve in closed, isolated systems; thus, changes caused by introduced species can drastically affect their ecology. Isle Royale National Park (Michiga…

Here, we report the discovery of four new agaricoid fungi in the Gliophorus irrigatus complex of the family Hygrophoraceae. Gliophorus alboviscidus sp. nov. from the UK is morphol…

Molecular analyses of soil and water commonly reveal large proportions of fungal taxa that cannot be assigned to any taxonomic or functional groups. Some of these so-called dark t…

Six new species are described: Acarospora anthracina, A. austrooccidentalis, A. oscurensis, and A. profusa from southwestern North America; A. aquatica from wetlands in eastern No…

Cytospora canker (CC) is among the most important diseases in conifer trees (Picea spp., mainly). This disease poses a significant risk factor for forest health, potentially leadi…

The species of Hebeloma have been little studied in Mexico, but have received attention as edibles and in trials to enhance production of edible fungi and tree growth through inoc…

The genus Melanconis (Melanconidaceae, Diaporthales) in the strict sense is here re-evaluated regarding phylogenetic structure, taxonomy, distribution and ecology. Using a matrix …

Lepraria cryptovouauxii is described as a new semicryptic species similar to L. vouauxii, from which it differs geographically (South America) and phylogenetically; both species d…

Biatora alnetorum S. Ekman & Tønsberg, a lichenised ascomycete in the family Ramalinaceae (Lecanorales, Lecanoromycetes), is described as new to science. It is distinct from other…

Five species of Hydnum have been generally recognized from eastern North America based on morphological recognition: H. albidum, H. albomagnum, H. repandum and varieties, H. rufes…

Molecular analyses have revealed a clade which equates with the genus name Mycetinis Earle. An overall survey of this genus, however, has not been forthcoming. The current study s…

DNA sequences show that the traditional genus Micromphale appears to be polyphyletic. Nuclear ribosomal LSU and ITS DNA sequences place Micromphale sect. Perforantia Singer (typus…