Some Biology of Insects

David Beeson, October 2022 On land, they are everywhere – the teeming hordes of life. So, their biology and lifestyles must be a big evolutionary success. In the UK we have over 22 000 species of insects in all manner of shapes and sizes. They range from the inquisitive dragonflies, through the singing grasshoppers withContinue reading “Some Biology of Insects”

Willow Emerald (Chalcolestes viridis)

John Solomon, October 2022. The Emerald Damselflies are often called the ‘Spreadwings’, as they habitually perch with their wings open in a delta position. There are five European species, including the Common Emerald (Lestes spoons), Willow Emerald (Chalcolestes viridis), Scarce Emerald (Lestes dryas), Southern Emerald (Lestes barbarus) and Winter Damselfly (Sympecma fascia). The Common EmeraldContinue reading “Willow Emerald (Chalcolestes viridis)”

The Biology of Freshwater (flowering) Plants

David Beeson, September 2022 Evolution is powerful. If you fail to fit in, something else will take your place, and freshwater is today only filled with the fittest of plants. Yet, those plants originated as marine organisms that migrated onto the then uncolonized land. Here the conditions were very different, and evolution forced them toContinue reading “The Biology of Freshwater (flowering) Plants”