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A Revision of the Neotropical Genus Cryptocanthon Balthasar (Coleoptera: Scarabaeidae: Scarabaeinae)
- J. Cook
- 1 December 2002
The diversity and level of endemicity of Cryptocanthon is consistent with other small-sized scarab beetles, and four species groups were established: a northern South America relict species group, an Amazonian-Guianan lowland species groupadays, a middle American speciesgroup, and a northern Andean species group.
A revision of the neotropical genus Bdelyrus harold (Coleoptera: Scarabaeidae)
- J. Cook
- 1 October 1998
The genus Bdelyrus Harold is revised, and Twenty new species are described: B. amazonensis, B. paraensis, and B. triangulus .
FOUR NEW SPECIES OF BDELYRUS (COLEOPTERA: SCARABAEIDAE: SCARABAEINAE) AND A REDESCRIPTION OF BDELYRUS LAGOPUS
- J. Cook
- BiologyThe Canadian Entomologist
- 1 October 2000
Four new species of the Neotropical scarabaeid genus Bdelyrus Harold are described and inclusion of these new species in the revised phylogenetic analysis did not alter significantly the relationships among the 23 species included in the original analysis.
Systematics, distributions, and bionomics of the small carrion beetles (Coleoptera: Leiodidae: Cholevinae: Cholevini) of North America
Abstract In North America, the tribe Cholevini (Coleoptera: Leiodidae) is composed of the genera Prionochaeta Horn with 1 species, Catoptrichus Murray with 1 species, Sciodrepoides Hatch with 3…
Introduction to Canadian Amphibians and Reptiles
THE GALÁPAGOS ISLANDS’ GENUS NEORYCTES ARROW (COLEOPTERA: SCARABAEIDAE: DYNASTINAE)
Evaluation of morphological variation in the 41 specimens now available confirms the distinctiveness of the genus Neoryctes Arrow and establishes the existence of four species, each restricted to a single island.
Comparison of carnivore, omnivore, and herbivore mammalian genomes with a new leopard assembly
This study provides a large-scale family level comparative genomic analysis to address genomic changes associated with dietary specialization in carnivores, felids, and omnivores, indicating that carnivores are under strong selective pressure related to diet.
Introduced Carabidae (Coleoptera) from Nova Scotia and Prince Edward Island: new records and ecological perspectives
Abstract Seven species of introduced Carabidae are newly reported in Nova Scotia and Prince Edward Island. Trechus quadristriatus (Schrank), Amara ovata (Fabricius), and Harpalus rubripes…
Systematics, distributions and bionomics of the Catopocerini (eyeless soil fungivore beetles) of North America (Coleoptera: Leiodidae: Catopocerinae)
This paper is a review and revision of the tribe Catopocerini of North America, finding 33 new species and their distributions that are eyeless and wingless inhabitants of forest soil and litter.
Colydiidae (Coleoptera) in the Maritime Provinces of Canada and Maine in the United States
Abstract The beetle family Colydiidae in the Maritime Provinces of Canada and in Maine in the United States is surveyed. Two species, Lasconotus borealis Horn and Synchita fuliginosa Melsheimer, are…