Myrmecia (ant) encountered before. Based on five species, the median lethal dose (LD) is 0.18–0.35 mg/kg, making it among the most toxic venoms in the insect world. The toxicity of the venom may have evolved due to the intense predation by animals and birds during the day, since "Myrmecia" is primarily diurnal. In Tasmania, 2–3% of the human population is allergic to "M. pilosula" venom. In comparison, only 1.6% people are allergic to the venom of the western honeybee ("Apis mellifera"), and 0.6% to the venom of the European wasp ("Vespula germanica"). In a 2011 Australian ant-venom allergy study, the objective of
Blue Velvet (film) Symbolism is used heavily in "Blue Velvet." The most consistent symbolism in the film is an insect motif introduced at the end of the first scene, when the camera zooms in on a well-kept suburban lawn until it unearths a swarming underground nest of disgusting bugs. This is generally recognized as a metaphor for the seedy underworld that Jeffrey will soon discover under the surface of his own suburban, Reaganesque paradise. The severed ear he finds is being overrun by black ants. The bug motif is recurrent throughout the film, most notably in the bug-like gas mask that Frank wears,