... A FORUM TO STIMULATE DEBATE ... ... JUST ADD A COMMENT AT ANY ENTRY BELOW... ... FOR THE SUSTAINABLE DEVELOPMENT OF TOWN AND VALLEY ...
Friday, 8 December 2017
Butterflies in winter
Here's the December newsletter from British Butterfly Conservation:
Welcome to December's ‘all aflutter’.
Whether you fall into the social butterfly
or hibernate-at-home camp, it's hard to ignore the festivities or the fall in
temperature this month. Find out where butterflies go in winter and how the deep
freeze we are forecast might be good for some species. The Holly and the Ivy can move over as
the Secret Gardener reveals why you should love lichen and if you want to keep
receiving All Aflutter in the New Year, please don't forget to notify us of your
Snow Problem For
forecasters are warning of ice, sleet and snow for many parts of the UK this
weekend. As you turn up the thermostat and get out your gloves, consider the
more ingenious ways our wildlife have to keep warm.
their seemingly delicate nature, butterflies and moths are surprisingly
resilient to the winter chill. Different species have evolved different
strategies to survive the coldest months.
overwinter as dormant adults, sheltering in caves, buildings and vegetation, or
as eggs, but the majority spend the winter as caterpillars or pupae, often
hidden underground or in cosy nooks of plants. A few species are active either
as adults or as caterpillars during the winter.
research has revealed that many UK butterflies actually do better after a cold
snap. In years when winter temperatures are unusually warm, many species see a
fall in population the following year. Richard Fox explains why....
are probably looking a bit bleak in your garden this month but the lack of
foliage has uncovered a fascinating spectacle of nature which is usually
branches may not seem like the obvious place for a caterpillar to take cover but
look closely at this picture. You should be able to make out the larva of the
Brussels Lace moth, carefully disguised as lichen.
is a food source for many other moth caterpillars and can provide shelter for a
myriad of small insects in winter time. The Secret Gardener investigates which
species just one lichen-covered branch could be supporting and reminds you to be
careful when bringing twigs inside.