As its name suggests, the birch shieldbug can be found feeding on silver birch, and sometimes hazel, in mixed woodland. Adults hibernate over winter, emerging in spring to lay their eggs.

This large, brown beetle can be seen swarming around streetlights in spring. They live underground as larvae for years and emerge as adults often in large numbers. Listen for their characteristic…

Look out for the small holly blue in your garden or local park. It is the first blue butterfly to emerge in spring, and a second generation appears in summer. The caterpillars are fond of holly…

The St Mark's fly is small, black and shiny. It is so-called because it emerges around St Mark's Day, April 25th. Large numbers of adults can be found in woodland edges, hedgerows,…

Look out for the feathery leaves of Spiked water-milfoil just below the surface of streams, ditches, lakes and ponds; its red flowers emerge from the water in summer. It provides shelter for a…