On Tue, 14 Mar 2017 10:29:57 -0000, Martin Brown wrote:

On 14/03/2017 10:05, Broadback wrote:

The flies are around already, which does not bode well for the rest of
the year. Can someone please recommend an effective killer that does not
mark furniture of windows?

Commercial UV electrocution insect zapper trap.

But be sure to empty it from time time or you can get serious problems:

http://www.gazettelive.co.uk/news/te...c-trap-7967367

Why did they install it in the loft?

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Contrary to popular belief, the most dangerous animal is not the lion or the tiger. The most dangerous animal is a shark riding on an elephant, trampling and eating everything it sees.