7- Mosquito larvae (wiggler) are very distinctive. The Lesser Silver Water Beetle - Hydrochara caraboides Survey and habitats in North West England . Larvae in northern hemisphere leave the water in late summer. Fantastic photos – thanks for sharing them. There are around 2,000 species in the world, 70 have been recorded in Britain. It is a voracious predator, hunting smaller invertebrates, tadpoles and even small fish. 2. The larvae are large, fearsome-looking beasts, with big, biting jaws: they look a … GREAT SILVER BEETLE Shiny and light black/ greenish in colour, it is so named because of the silvery appearance of its underside caused by a layer of trapped air. It has six legs and a hard, outer shell called a carapace. They live in standing, stagnant water, and especially seldom used drains. Trying to track down some beetle larvae in my pond, I came across your site. Predatory as adults and larvae, eating anything they can tackle, including other water insects, tadpoles and even very small fish. When it turned over it had a few legs in the front of his body and two legs at the end. What a cool spotting. Links to other water beetle families can be found on the main beetle page or on Beetle body shapes It wobbled its way over the path. It lives in ditches with standing water. Life Cycle: Adults and larvae are found in water. The great silver water beetle Hydrophilus piceus (LINNAEUS, 1758) is one of the largest aquatic insects with a wide Palaearctic range extending from southern Scandinavia to the Hydrophilus piceus - Great Silver Water Beetle. It moved by bopping its body up and down. The larvae range in length from 1 - 48 mm. If you mange to get one of these in your pond dipping tray, you will soon end up with just one very well fed Dytiscus larvae and the deflated husks of the other pond creatures – even other Dytiscus larvae! Lesser Silver Water Beetle preferred: UKSI Classification unranked Biota kingdom Animalia phylum Arthropoda subphylum Hexapoda class Insecta order Coleoptera family Hydrophilidae genus Hydrochara species Hydrochara caraboides. In Bokt near Son en Breugel, Noord Brabant, Wow! Great silver water beetle larvae hatching from egg cocoon. The Coleopterist’s Bulletin 68: 187-198. Most water beetles can only live in fresh water, with a few marine species that live in the intertidal zone or littoral zone.There are approximately 2000 species of true water beetles native to lands throughout the world. The Lesser Silver Water Beetle - Hydrochara caraboides Survey and habitats in North West England . The larvae form a casing and pupate in the mud. The larvae is up to 7 cm (2.8 in) long. Most, however, are somewhere in the middle. Adults can reach up to 5–5.15 cm (1.97–2.03 in) in length and 2.05 cm (0.81 in) in width. The larvae of the carnivorous species may prey on Caddis flies have a similar life history and their larvae are illustrated on pages 184-189. Great silver water beetle larva feeding on wandering pond snail Following form my last post, here are the photos from that feeding great silver water beetle. Management: None, this is a beneficial insect. Note the rear legs of all these beetles, they are fringed with hairs and bristles to aid in swimming, and are unsuitable for movement on land. The Lesser Silver Water Beetle (Hydrochara caraboides) appeared in Cheshire in the 1990s but does not appear to have colonised ponds in Greater Manchester, Lancashire or North Merseyside.It is a legally protected animal which was hitherto confined to sites in southern England. Showing page 1. Larvae: Long, thin and light brown in colour, they have very short legs and pincer like mouthparts. BTW, fantastic shots! 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