Gyrinus pectoralis
LeConte, 1868
whirligig beetle
Gyrinus pectoralis is a of in the , first described by LeConte in 1868. It is found across North America, with records from Canada (Alberta, British Columbia, Labrador) and presumably throughout much of the United States. Like other whirligig beetles, it inhabits the surface waters of freshwater systems.
Pronunciation
How to pronounce Gyrinus pectoralis: /d͡ʒaɪˈraɪ.nəs pɛkˈtɔː.rə.lɪs/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Habitat
Freshwater surface including rivers, streams, and lakes with clear, slow-moving or still water.
Distribution
North America; specifically recorded from Alberta, British Columbia, and Labrador in Canada.
Behavior
Exhibits characteristic of swimming in frenzied, erratic (rafts) on the water surface. These rafts provide anti- benefits through increased vigilance and may serve as aposematic signals due to noxious chemical defenses in the pygidial glands.