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This page contains pictures and information about Bulldog Ants and
Jumper Ants that we
found in the Brisbane area, Queensland, Australia.

The ants in subfamily Myrmeciinae are among the largest ants, often reach
20 mm, up to 45mm, in body length. The Myrmeciinae are found almost
exclusively in Australia. They are easily recognized by
their large body size, large eyes and long forward mandibles. Ants in this
subfamily are considered to be the most
primitive of all living ants. They have the relatively simple social
structure. Their workers and queens are about the same size.
They are fast and aggressive. They show a strong and well developed sting. They will not hesitate to deliver a painful
stings to any intruder. Their nest is usually domed shape covered with plant materials.

For the Myrmeciinae ants the mesosoma is attached to the gaster by two distinct
segments, the petiole and postpetiole . The
mandibles are very long and straight, with teeth along their
inner margin. There is the sting at the tip of their gaster.
- Jumper Ant, Jumping Jack

- Myrmecia nigrocincta, body length 15mm
- We found those Jumper Ants in Brisbane Toohey Forest. The
workers foraging alone on low vegetation during the day. They are large in
body size, with large eyes and elongated mandibles. They are bright colour,
with dark green head and brown body and dark brown legs.
More information in this page.
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- Brown Bulldog Ant

- Myrmecia pyriformis, body length 25mm
- In Brisbane Forest Park, we found another species of Bulldog Ants.
They are dark brown in colour. Their hind legs are not as strong as the
species shown above, we did not see it jumping. We found this ant foraging alone on the ground. It was very aggressive.
When we came close, it did not retreat but put a fighting posture, waving its
head with its huge jaws. More information and pictures in this page.
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- Giant Bull Ant, Red Bull Ant, Soldier Ant

- Myrmecia
gulosa, body length 25mm
- We found the Red Bull Ant nest entry when we were walk up to top of Mt
Gravatt. It was next to the footpath. There were not much activity. Just
inside the nest entry, there were a few guards standing by. When we came
within a meter, they ran out and put a attack posture to us. More
information and pictures please visit this page.
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- Toothless Bull Ant

- Myrmecia mandibularis, body length 15mm
- The ant has the
black head and body, red legs and golden abdomen. Notice its jaws are
relatively smooth comparing with other bull ants, i.e., its common name
Toothless Bull Ant. More information and pictures can be found in this page.
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- Baby Bull Ant

- Myrmecia urens, body length 15mm
- Baby Bull Ant is the smallest among the Bulldog Ants family. We found one
resting on a gum tree trunk in Karawatha Forest in mid September. More
information and pictures please find in this page.
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- Our visitor Cheryl sent us email about her experience with Jumper Ants
sting;
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- "We put down a tarpaulin and picnic rug on medium length grass in a little visited spot (not a regular picnic area) on the northern edge of Mt Tamborine. The next thing I knew, I was being literally 'aggressively attacked' by a swarm of jumping ants, black and yellow in colour. I ran away, trying madly to shake the things off, and eventually ensconced myself back in the car where I continued to pluck them off one by one.
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- "I was screaming with the most horrific pain, especially in the arch of my left foot which suffered multiple bites/stings. I continued to scream in agony for about 10 minutes. I went pale and cold and clammy; I felt nauseous, and my heart palpitated.
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- "Fortunately we had some 'Soov' in the car, which I rubbed into the affected areas; and I applied ice from out of our esky. But even so, it took a couple of hours for the pain to dissipate."
- Reference and Link:
- 1. Jumper ant allergy
- Allergy Capital, 2005.
- 2. Myrmecia
(bull ants, jack jumpers) - myrmecos.net,
2005.
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3. Australian
Ant Image Database - Australian Ant Image Database, R.W Taylor.
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4. Subfamily Myrmeciinae - Australian Ants Online - S.O. Shattuck and N.J. Barnett, CSIRO 2001.
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[ Up ] [ Subfamily Myrmeciinae ] [ Subfamily Ponerinae ] [ Subfamily Myrmicinae ] [ Subfamily Dolichoderinae ] [ Subfamily Formicinae ] [ Not Known Ants ]
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