Myrmecia ludlowi
Myrmecia ludlowi is an Australian ant which belongs to the genus Myrmecia. This species is native to Australia and is commonly distributed in Western Australia. They were first described by Crawley in 1922.

Workers are around 12-15 millimetres long, queens are 22 millimetres and males are only 14 millimetres. Their jaws, antennae, and legs are of a brownish colour while their head and thorax are of a black colour.

References

Myrmeciinae
Hymenoptera of Australia
Insects described in 1922
Insects of Australia