Horn's Crawling Water Beetle

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Brychius hornii is a species of beetle in the genus Brychius that was first described by George Robert Crotch in 1873. It is native to western North America and is found in small streams and irrigation ditches, with adults primarily found on gravel substrate.

Brychius es un género de escarabajos de la familia Haliplidae. Cinco especies en total, tres de ellas en el Neártico, una es considerada especie en peligro. Son acuáticos.