Good news/Bad news: Scientists in Australia have discovered a Spider-Killer Wasp. They capture and paralyze spiders, which are then eaten alive by the wasps’ larvae. The bad news is… they are wasps.

Crustacean invasion: Beware the green crab (Juneau Empire)

Oh, sick I am to see you, will you never let me be?
You may be good for something but you are not good for me.

Poem by A. E. Housman, A Shropshire Lad