Philonthus quadricollis
Horn, 1884
Philonthus quadricollis is a of rove beetle in the Staphylinidae, described by Horn in 1884. It belongs to a large of predatory beetles commonly associated with decaying organic matter and carrion. The species has a broad transcontinental distribution across North America, with records from Canada and much of the United States.
Pronunciation
How to pronounce Philonthus quadricollis: /fɪˈlɒnθəs kwɑːdrɪˈkɒlɪs/
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Distribution
Transcontinental in Canada (Alberta, British Columbia, Manitoba, New Brunswick, Nova Scotia, Ontario, Quebec, Saskatchewan, Yukon) and widespread in the United States (Arkansas, California, Colorado, Connecticut, District of Columbia, Delaware, Idaho, Illinois, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, Nevada, New York, Ohio, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Utah, Virginia, Vermont, Washington, Wisconsin, Wyoming).
More Details
Taxonomic notes
The name 'quadricollis' refers to the four-collared condition, likely describing some aspect of the pronotal or thoracic structure. The Philonthus is one of the largest genera in Staphylinidae, with many species requiring careful examination for identification.
Collection records
The has been documented from diverse across its range, from regions of Canada to arid western states and eastern deciduous forests. The broad distribution suggests ecological flexibility, though specific habitat associations remain poorly documented in published literature.