The beetle family Staphylinidae, better known as rove beetles, is currently the largest group of beetles known. It contains about 60 000 species in thousands of genera. Most rove beetles are predators of insects and other kinds of invertebrates, living in forest leaf litter and similar kinds of decaying plant matter. They are also commonly found under stones, and around freshwater and oceanic margins.
Today's new species is from Canada and most individuals were collected from beaver dams. Researchers found them among sticks and debris near an overflow area of the dam, or from under overhanging sticks on the outer margin of the dam. Therefore, the new species was named Liogluta castoris.
For the experts: 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.; Liogluta microgranulosa Klimaszewski & Webster, sp. n.; and Liogluta pseudocastoris Klimaszewski & Webster, sp. n. The previously unknown male of L. gigantea Klimaszewski & Langor, L. quadricollis (Casey), L. wickhami (Casey), and female of L. granulosa Lohse are described, and illustrated. Liogluta aloconotoides Lohse is synonymized with Liogluta terminalis (Casey). New provincial and state records are provided for six Liogluta species. A key to species, revised distribution with new provincial records, and new natural history data are provided.
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