Researcher with CSIRO tackling contemporary problems in the environmental sciences, biosecurity & human health.
Canberra
Joined July 2014
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Bogong moths have been arriving in the mountains en masse. #bogong #AgrotisInfusa
Many of the reported #bogong moth events such as the #Sydney #Olympic closing ceremony can be explained by population booms and busts driven by rainfall on inland plains. Runs of good years like we've just had sees compounding exponential growth. See authorea.com/doi/full/10.225….
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Numbers of #bogong moths in the mountains are next level — so far 5-fold last seasons. This mirrors what we’re seeing around our homes. On Mt Gingera the numbers are about 400x post 2017-2019 drought. Crevices are overflowing. #resilience
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If ur interested in what drives the dynamics of #bogong moth populations, check out a preprint of a model that uses the data from my 120 trips up Mount Gingera in #Namagdi. A bit technical in places, but the gist is in there. authorea.com/doi/full/10.225…
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If you are wondering whether any of these swarms of #bogong moths are making it to their aestivation sites in the mountains the answer is yes. On Mt Gingera in #Namadgi NP yesterday the crevices were overflowing with the highest number of moths I’ve seen in 12 years. #migration
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Bogong moths on the south coast feeding on Grevillia nectar. A bit like bears being hyperphagic (crazy hungry) getting ready for winter hibernation, these moths need to get fat in prep for summer aestivation. #AgrotisInfusa #bogong
The portents for a cracker #bogong moth season continue to build. Just drive thru multiple swarms on the Clyde Mountain, and our friends on the coast (Wendy & Richard) have experienced a minor invasion. Amongst the outdoor furniture …
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They should all move on in time. They feed en route to the mountain caves and crevices. Gotta get fat to hang out in a cave for 3-4 months or so. #AgrotisInfusa #BogongMoth #Migration
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Migrating #bogong moths have already starting arriving at there aestivation sites in the mountains in good numbers. Earliest I’ve recorded. Here’s a swarm on the Mount Franklin Road in #Namadgi last evening. #AgrotisInfusa #BogongMoth
Bogong moths are on the move early this year. Following the hot NW winds and change this one turned up in the local park. I’m predicting another big year for bogongs following good autumn rains on the blacksoil plains in the Riverina. #migration #AgrotisInfusa #bogong #BogongMoth
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No #bogong moths on Mt Gudgenby in #Namadgi NP this year, unlike the 1850's when 500 First Nations people were camped on Mt Gudgenby station, most likely preparing to ascend the nearby peaks to collect moths. More info in publish.csiro.au/pc/Fulltext…. #AgrotisInfusa
Good news in that substantial numbers of #bogong moths have aestivated (summer version of #hibernation) around the summit of Mt Gudgenby this summer just gone. It clearly still has got the goods (i.e. has cool enough temps). #Namadgi #AgrotisInfusa #bogongMoth
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Bogong moths in #Namadgi doin their evening “maelstrom” flights. #AgrotisInfusa #BogongMoth #navigation
Bogong moths are back in a big way to brighten your XMAS! #AgrotisInfusa #BogongMoth
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Need some good news to end the year on, then the number of #bogong moths migrating to the Alps may suffice? In the Brindabellas they're back to numbers not seen since b4 the Tinderbox Drought of 2017-19. Poor video sorry, see photos.app.goo.gl/oRREsvt9qc…. #AgrotisInfusa #BogongMoth
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This year #Canberra is clearly in the running to be the #bogong moth citizen reporting capital, based on the latest Moth Tracker reports at swifft.net.au/mothtracker/. #AgrotisInfusa #Citizen #BogongMoth #Migration
ALT Bogong moth citizen reports represented by moth symbols spread across the Canberra suburbs.
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and "Bogong Moth" by Reko Rennie also at the National Museum. There are more. #OurNMA
ALT Bogong Moth by Reko Rennie
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Of course, actual #bogong moths tiling on a cave wall high in the Brindabella Ranges are the best! There are plenty arriving at the moment, reflecting on all those observations by the good citizens of #Canberra. #Namadgi #BogongMoth #Aestivation #AgrotisInfusa
ALT Bogong moths tiling on a cave wall in the Brindabella Ranges.