Pachodynerus nasidens on 3D-printed De Haviland Dash-8 pitot probe. Credit: House et al (2020) PLOS ONE, CC BY Over a period of 39 months, invasive keyhole wasps (Pachodynerus nasidens) at the Brisbane Airport were responsible for 93 instances of fully blocked replica pitot probes—vital instruments that measure airspeed—according to a study published November 25...