I just laugh when that happens to me cattales \:\) Perhaps when you get to my age you learn to laugh at life's little inconveniences. LadyCFII is right though, I soon learned to wait until it got lower down before taking a swipe at the insect.
If the insect is flying upwards I just let it go when it get near that icon.
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Life ain't a matter of holding Good Cards, but playing a Poor Hand well. ....... Anon.