![Wood ants-Formica rufa-defending their nest by spraying formic acid. The formic acid is used to deter any attacking predators. Dorset England UK GB Stock Photo - Alamy Wood ants-Formica rufa-defending their nest by spraying formic acid. The formic acid is used to deter any attacking predators. Dorset England UK GB Stock Photo - Alamy](https://c8.alamy.com/comp/M7GGJ6/wood-ants-formica-rufa-defending-their-nest-by-spraying-formic-acid-M7GGJ6.jpg)
Wood ants-Formica rufa-defending their nest by spraying formic acid. The formic acid is used to deter any attacking predators. Dorset England UK GB Stock Photo - Alamy
![Wood ants-Formica rufa-defending their nest by spraying formic acid. The formic acid is used to deter any attacking predators. Dorset England UK GB Stock Photo - Alamy Wood ants-Formica rufa-defending their nest by spraying formic acid. The formic acid is used to deter any attacking predators. Dorset England UK GB Stock Photo - Alamy](https://c8.alamy.com/comp/M7GGG0/wood-ants-formica-rufa-defending-their-nest-by-spraying-formic-acid-M7GGG0.jpg)
Wood ants-Formica rufa-defending their nest by spraying formic acid. The formic acid is used to deter any attacking predators. Dorset England UK GB Stock Photo - Alamy
![Weaver Ants, Oecophylla sp, on leaf, in defensive position ready to spray formic acid, Klungkung, Bali, Indonesia Stock Photo - Alamy Weaver Ants, Oecophylla sp, on leaf, in defensive position ready to spray formic acid, Klungkung, Bali, Indonesia Stock Photo - Alamy](https://c8.alamy.com/comp/T0J4H8/weaver-ants-oecophylla-sp-on-leaf-in-defensive-position-ready-to-spray-formic-acid-klungkung-bali-indonesia-T0J4H8.jpg)
Weaver Ants, Oecophylla sp, on leaf, in defensive position ready to spray formic acid, Klungkung, Bali, Indonesia Stock Photo - Alamy
![TIFONE on Twitter: "Yellow crazy #ants known to spray formic acid, which burns the skin and eyes of animals, and cause damage to crops. http://t.co/39cpqRk4MD" / Twitter TIFONE on Twitter: "Yellow crazy #ants known to spray formic acid, which burns the skin and eyes of animals, and cause damage to crops. http://t.co/39cpqRk4MD" / Twitter](https://pbs.twimg.com/media/B_W03uBXAAE7ler.jpg)
TIFONE on Twitter: "Yellow crazy #ants known to spray formic acid, which burns the skin and eyes of animals, and cause damage to crops. http://t.co/39cpqRk4MD" / Twitter
![Wood ants-Formica rufa-defending their nest by spraying formic acid. The formic acid is used to deter any attacking predators. Dorset England UK GB Stock Photo - Alamy Wood ants-Formica rufa-defending their nest by spraying formic acid. The formic acid is used to deter any attacking predators. Dorset England UK GB Stock Photo - Alamy](https://c8.alamy.com/comp/M7GGGH/wood-ants-formica-rufa-defending-their-nest-by-spraying-formic-acid-M7GGGH.jpg)