Portal:Arthropods/Did you know/21

... that a fossil of the extinct sea scorpion Eurypterus (restoration pictured) was once thought to be a catfish?
... that Phaeacius, a very lazy jumping spider, waits motionless until prey walks almost into its jaws?
... that Geograpsus severnsi is the first crab species known to have become extinct?
... that males and females of the jumping spider Maevia inclemens were once considered different species?
... that a fungal pathogen Beauveria bassiana has been released along with a parasitic wasp Tetrastichus planipennisi in the United States as a biological control agent of the emerald ash borer?
... that the California spider species Pimoa cthulhu was named after H. P. Lovecraft's fictional deity Cthulhu?