Suzi Eszterhas / Julia's Skipper butterfly (Nastra julia) head portrait showing eyes and antennas, Red Corral Ranch, Texas, USA

Albert Lleal / Close up of a male moth's head and highly sensitive antennas which detect the sexual pheromones released by potential mates, Barcelona, Spain

Mark Moffett / Marauder Ant (Pheidologeton diversus) close up of two battling minor workers pulling on each other after fighting for nearly an hour, antennas and limbs begin to pop off under the strain, Malaysia