Bulldog ant

Definition

A common name for ants of the genus Myrmecia (subfamily Myrmeciinae), large, conspicuous Australian ants renowned for their aggressive defense, powerful mandibles, and potent sting. The name alludes to their tenacious, pugnacious behavior when disturbed. Some species exhibit a distinctive jumping response when agitated.

Etymology

From the dog breed bulldog, noted for its stubborn, aggressive temperament; applied to these ants by analogy to their fierce defensive behavior.

Example

The jack jumper ant (Myrmecia pilosula), a species of bulldog ant, is responsible for more anaphylactic reactions in Tasmania than any other creature, including bees and wasps.

Synonyms

• Bull ant
• jack jumper ant

Related Terms

• Myrmecia
• Myrmeciinae
• Formicidae
• sting
• Mandible
• Aggressive mimicry
• ant venom
• anaphylaxis

Usage Notes

Often used interchangeably with 'bull ant,' though 'bulldog ant' emphasizes behavioral ferocity while 'jack jumper' specifically denotes jumping species. The term is primarily Australian; outside Australia, these ants are often unknown or discussed only in specialized myrmecological literature. Not all Myrmecia species jump; the common name applies to the genus broadly.