Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses

Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses

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Certainly, the statistics are grim. Native ladybird populations are crashing; three quarters of butterfly species — such as the painted lady and the Glanville fritillary — have dropped significantly in numbers; while bees, of which there are more than species in the UK, are also suffering major plunges in populations, with great yellow bumblebees, solitary potter flower bees and other species declining steeply in recent years.

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Other threatened insects include the New Forest cicada, the tansy beetle and the oil beetle. As for moths, some of the most beautiful visitors to our homes and gardens, the picture is particularly alarming.

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An insect Armageddon is under way, say many entomologists, the result of a multiple whammy of environmental impacts: And it is a decline that could have crucial consequences. Our creepy crawlies may have unsettling looks but they lie at the foot of a wildlife food chain that makes them vitally important to the makeup and nature of the countryside. If insects were to vanish, the environment would collapse into chaos.

Our common insects. A popular account of the insects of our fields, forests, gardens and houses.

Our Common Insects - A Popular Account of the Insects of Our Fields, Forests, - Gardens and Houses [A. S. (Alpheus Spring) Packard] on www.farmersmarketmusic.com *FREE* . insects. Add this to your Mendeley library Report an error Our common insects A popular account of the insects of our fields, forests, gardens, and houses.

The best illustration of the ecological importance of insects is provided by our birdlife. Without insects, hundred of species face starvation and some ornithologists believe this lack of food is already causing serious declines in bird numbers, a point stressed by the naturalist and wildlife author Michael McCarthy.

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Further confirmation of the link between insect and bird numbers was provided last week with the publication of a study by Aberdeen University researchers which showed that the plunge in numbers of cuckoos in some areas of England was closely linked to declines in tiger moth caterpillars on which cuckoos feed. However, insects also play invaluable roles in other parts of the environment — for example as pollinators of our orchards and fruit fields.

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And again, scientists are worried. In addition, flies, beetles and wasps are predators and decomposers who control pests and who generally clean up the countryside. But perhaps the most alarming indication of the ecological apocalypse we face was provided a few months ago by researchers who published a startling paper in the journal Plos One. Their work was based on the efforts of dozens of amateur entomologists in Germany who began employing strictly standardised ways of collecting insects in They used special tents called malaise traps to capture thousands of samples of insects in flight over dozens of different nature reserves.

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Then the weight of the insects caught in each sample was measured and analysed — revealing a remarkable pattern. Such figures give strong numerical support to the veracity of anecdotes about splattered car windscreens and moth-plastered patio windows becoming a thing of the past. Equally stark is the fact that although meteorological patterns fluctuated to some degree during the years of the study, it was clear that weather was not the cause of the declines. But perhaps the most alarming aspect of the research was the realisation that these grim drops in insect numbers were occurring in nature reserves — in other words, in areas where the landscape was highly protected and should be the most friendly of habitats for insects.

Conditions elsewhere were likely to be a lot worse, the scientists warned.

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