Hi Hb, it’s not an invasive species, just a friendly native Sugar Ant. They can’t sting and have a very gentle bite, but can really make some big nest mounds! Cheers, Jon
Thanks for very quick response. Very good news they're native and not invasive. Any relationship with climate change if these ants weren't here (from 1979) till 6 months ago ? Are they "moving through" the landscape ? Enjoying (or not) the very wet times ? Is there info online ?
Hi Hb, there is not enough information to say if these ants are increasing in the region as there is no systematic monitoring of general insect populations undertaken in Australia. However, two wet years in a row means that conditions have been good for most plants, animals and insects. More rain generally means more productivity for plants and so it is also good for the insects that eat them, all the way up the food chain. I think lots of insects, including ants, have increased in the last couple of years after the last drought broke at the beginning of 2020. It is likely that there will be subsequent declines in numbers of ants whenever we go through a few "average" years and certainly when we go through the next drought! Cheers, Jon
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