The twelve pests of Christmas (trees)

The Invasives Blog

For many, December means celebrating Christmas and a central part of that is a Christmas tree. Evergreen trees have been used in celebration for centuries. The ancient Egyptians, Chinese, and Hebrews used evergreen trees, wreaths, and garlands to symbolize eternal life. Pagans worshiped trees, and Romans used evergreen wreaths during the festival of Saturnalia.

The trees commonly used as Christmas decorations come from the genus Picea which is made up of around 35 species of coniferous evergreen trees in the family Picaceae. Popular Christmas tree species include Balsam Fir, Douglas Fir, and Norway Spruce.

The modern-day Christmas tree is thought to have started in 16th century Germany when Christians brought decorated trees into their homes. The Christmas traditions we know today were shaped by the Victorians, when the first Christmas tree was brought from Germany to the British royal household by Prince Albert in the 1840s. These days, around

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Wasps – the good, the bad and the downright irritating

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A wasp taking a break from foraging to have a drink. Flensshot via Pixabay

Whether trying to cajole one out of your office or running for cover after it seems a little too interested in your food we have likely all encountered the common wasp (Vespula vulgaris) more than once during this particularly wasp-heavy summer.  But did you know that this is just one of 9000 species of wasp found in the UK and without a microscope you’re unlikely to ever see the vast majority of them. You might also not know that they provide us with great ecological services including pollination of both our crops and wildflowers as well as controlling insect populations which spread human and agricultural diseases.

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