Links
| Fresh Water Habitats Trust Formerly Pond Conservation. The national charity dedicated to protecting the wildlife of our freshwaters: ponds, rivers, streams and lakes. |
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| Hydrophiloidea.org A web-site facilitating research on the Water Scavenger Beetles. |
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| Latissimus Archive of newsletters of the Balfour-Browne Club, an organization dedicated to the study of aquatic beetles. |