Dytiscidae Collection

Hydroporus rufifrons, diving beetle
Close-up shot of a diving beetle (Hydroporus rufifrons). Specimen held in the Natural History Museums Entomology Department

Great diving beetle (Dytiscus marginalis) and Dragonfly nymph (Aeshnidae), Europe, August, controlled conditions

Great diving beetle (Dytiscus marginalis) male, Europe, August, controlled conditions

Male Highland Great diving beetle (Dytiscus lapponicus) on surface of water, Darnaway Estate, Highlands, Scotland, UK. May. Focus stacked. Captive

Diving beetle (Cybister lateralimarginalis) female, Europe, May, controlled conditions

Water shrew, adult, on alert while devouring a water beetle (a predatious diving beetle pictured(Dytiscidae spp.) (Neomys fodiens )

Megadytes ducalis, water beetle
Megadytes ducalis (Sharp, 1882) is a large freshwater diving beetle found in Brazil. Only known from one specimen, it is one of the rarest beetles in the world

Dytiscus marginalis, great diving beetle (male)

Water shrew, adult, devours a water beetle (a predatious diving beetle pictured, Dytiscidae spp.) (Neomys fodiens). on the bank of river Pra, a tributary of river Oka; near Ryasan town

Great Diving Beetle (Dytiscus marginalis) in underwater flora

Illustration of a diving beetle (Dytiscidae) releasing air bubble underwater, underside

Picture No. 10870603
Water shrew, adult, devours a water beetle (a predatious diving beetle pictured (Dytiscidae spp.), (Neomys fodiens) Date:

Picture No. 10870609
Water shrew, adult, on alert while devouring a water beetle (a predatious diving beetle pictured (Dytiscidae spp.) (Neomys fodiens ) Date:

Diving Beetle (Rhantus frontalis) adult, with air bubble protruding from elytra, clambering over pondweed, Wat Tyler Country Park, Essex, England

A brown Great Diving Beetle with fringes on its legs for propulsion through the water

Dytiscus marginalis, great diving beetle (female)
Illustrated plate from The Genera Insectorum of Linnaeus exemplified by various specimens of English insects drawn from Nature (1781) by James Barbut

Bidessus minutissimus, diving water beetle
A rare diving beetle (Bidessus minutissimus) specimen. Diving beetles are aquatic and inhabit pond and stream environments

Dytiscus marginalis, the underside of a great diving beetle
Great diving beetles are aquatic insects, and are found in pond and lake habitats. They can grow up to 30mm in length

Dytiscus marginalis, great diving beetle
Great diving beetles are aquatic and are found in pond and lake habitats. They can grow up to 30mm in length

Common Black Diving Beetle (Agabus bipustulatus) adult, resting on submerged leaf, Sheffield, South Yorkshire, England, july

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"Dytiscidae: Masters of the Water World" In the depths of Europe's aquatic realms, a fascinating world unfolds. Meet the Great diving beetle (Dytiscus marginalis) and Dragonfly nymph (Aeshnidae), two formidable predators that rule these waters in August. Their intricate dance showcases nature's brilliance. Under controlled conditions, we encounter a male Great diving beetle (Dytiscus marginalis) in all its glory. Its sleek body glistens under the August sun, showcasing its adaptability to various environments. A true marvel of evolution. Meanwhile, an adult Water shrew remains on high alert as it devours its prey - a water beetle. This predator-prey interaction highlights the delicate balance within this ecosystem, where survival depends on swift movements and sharp instincts. Venturing into Scotland's Darnaway Estate, we stumble upon a male Highland Great diving beetle (Dytiscus lapponicus). This majestic creature floats effortlessly on the water's surface, captivating our attention with its focus-stacked beauty. Nature never ceases to amaze us. Not far away resides another member of this diverse family - a female Diving beetle (Cybister lateralimarginalis). In May's controlled conditions, she displays her elegance and strength as she navigates through European waters with grace and precision. The water shrew returns once more to satisfy its voracious appetite for predatious creatures like Megadytes ducalis and Hydroporus rufifrons – both remarkable water beetles that fall victim to this cunning hunter, and is an unending cycle of life and death in these submerged worlds. Amidst underwater flora lies yet another spectacle - a magnificent male Great Diving Beetle (Dytiscus marginalis). His presence adds vibrancy to this hidden realm as he gracefully maneuvers through his watery domain with unparalleled finesse.