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Posts by Katherine Oestmann

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There’s scientifically accurate illustration and then there’s charming. These images are from "A Voyage to New Holland" by William Dampier, published in 1703. We’re glad that he took some time to ensure that these creatures πŸ™ were captured for posterity!

➑️ www.biodiversitylibrary.org/page/50441252

7 months ago 8 3 0 0
Sleepy time bear

Sleepy time bear

It's Friday night baby

9 months ago 11620 2316 98 119

I'm glad you enjoy it as much as I do πŸ˜‚

7 months ago 1 0 0 0
Micropathus ditto (female) in profile sitting on a cave wall. Superimposed in the corner is a sprite of the Pokemon Ditto.

Image credit Tim Rudman, source: https://www.inaturalist.org/observations/71119620

Micropathus ditto (female) in profile sitting on a cave wall. Superimposed in the corner is a sprite of the Pokemon Ditto. Image credit Tim Rudman, source: https://www.inaturalist.org/observations/71119620

Macro photos of the morphology of Micropathus zubat, showing the head, ovipositor, and genital plates. Superimposed in the corner is a sprite of the Pokemon Zubat.

Macro photos of the morphology of Micropathus zubat, showing the head, ovipositor, and genital plates. Superimposed in the corner is a sprite of the Pokemon Zubat.

Say hi to Micropathus ditto and M. zubat, two #NewSpecies of cave cricket from forests in southern Tasmania! These crickets are threatened by climate change, land clearing, and logging. Giving them names is an important step towards their conservation. But why did we choose these ones? #bugsky 🧡 1/6

7 months ago 18 10 2 0
Advancing subterranean conservation through Global Research on eDNA in Groundwaters (GReG) NONE

"A public call to the researchers and stakeholders [...] with an ambition of widening novel groundwater-based research beyond well-known global biodiversity hotspots."
Advancing subterranean conservation through Global Research on eDNA in Groundwaters (GReG) subtbiol.pensoft.net/articles.php...

8 months ago 0 0 0 0
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Taxonomic trolling 26 May 2025 Darren Naish looks at how a small number of authors can cause chaos in biology’s system for naming species and what can be done about it The term β€˜taxonomy’ refers to the branch of sc...

How a small number of authors can cause chaos in biology’s system for naming species and what can be done about it. #taxonomy #bugsky thebiologist.rsb.org.uk/biologist-fe...

9 months ago 6 3 0 0
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Nullarbor cave expedition unearths world's only known eyeless wasp An eyeless wasp is just one of several new cave-dwelling invertebrates discovered within the proposed boundary of a massive renewable energy project.

Amazing news from a member of our lab!

9 months ago 2 0 0 0
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Beetle grows β€˜termite’ on back to steal food Puppet helps insect trick real termites into feeding it

In what may be one of Earth’s craziest forms of mimicry, researchers in 2023 reported a species of rove beetle that grows a termite puppet on its back to fool real termites into feeding it.

Learn more during #InsectWeek: scim.ag/40mj1S8

9 months ago 319 119 8 19

Congratulations Perry!!

9 months ago 1 0 0 0

Holy smokes! I've got the male too! I'm tearing up. Just heard from the scientist that described the new species and this handsome lad is the male. So awesome!
(Chrysometa chuchaqui)

11 months ago 1276 217 71 19
There are Powder Blue Isopods (Porcellionides pruinosus) of various sizes on a pastel pink background.
All of them are hanging with large and small ribbons. Happy and lovely atmosphere.

There are Powder Blue Isopods (Porcellionides pruinosus) of various sizes on a pastel pink background. All of them are hanging with large and small ribbons. Happy and lovely atmosphere.

Blue isopods with ribbonsπŸŽ€

11 months ago 2399 786 24 7

This is an awesome lab and everyone should definitely check it out! (yes I'm totally biased ☺️)

11 months ago 3 1 0 0

2/2 Tragically, this species is now extinct. Its habitat, a groundwater-fed spring, was completely lost due to changes in water availability - linked to groundwater extraction from industry in the region.

11 months ago 1 0 0 0
A large glass jar with a white label and filled with yellowish ethanol containing 1,000 preserved isopods

A large glass jar with a white label and filled with yellowish ethanol containing 1,000 preserved isopods

Close-up of the ethanol-preserved isopods, which are grey-pinkish in colour and curled up

Close-up of the ethanol-preserved isopods, which are grey-pinkish in colour and curled up

1/2 Ever wondered what 1,000 slaters in a jar looks like?
These tiny isopods were once abundant near Marree, south of Kati Thanda–Lake Eyre in South Australia.
#southaustralianmuseum #conservation #katithanda #lakeeyre

11 months ago 4 0 1 0
A digital drawing with dark blue text above saying β€œprotect the” and the bottom text saying β€œweirdos”.

There are four animals in between the text.

The top left is a green and brown horned frog (aka Pac-Man frog). The top right is a pink and white flea beetle. The bottom left is a yellow slug. The bottom right is a kingsnake with grey and red scales. 

The background is light blue.

A digital drawing with dark blue text above saying β€œprotect the” and the bottom text saying β€œweirdos”. There are four animals in between the text. The top left is a green and brown horned frog (aka Pac-Man frog). The top right is a pink and white flea beetle. The bottom left is a yellow slug. The bottom right is a kingsnake with grey and red scales. The background is light blue.

Last day of #invertefest so let’s end with one of my most popular pieces of art!

linktr.ee/squishyfauna

#invertebrates #bugsky #bugs #entomology #insects #herps #frogs #snakes #sciart #bsnm

11 months ago 302 81 0 1
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I've never seen Barnacles being this active.

#InverteFest πŸ¦‘ #Nature #TidePool

11 months ago 131 15 17 4
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πŸŒΊπŸŒΈπŸ„πŸŒΈπŸŒΊπŸŒΊπŸŒΈπŸŒ»πŸŒΈ
πŸŒΈπŸ„πŸ„πŸ„πŸ„πŸ„πŸ„πŸ„πŸ„
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πŸ„πŸŒ±πŸŒ±πŸ„πŸŒ±πŸŒ±πŸ„πŸŒ±πŸ„
πŸ„πŸŒ±πŸ„πŸ„πŸ„πŸŒ±πŸŒ±πŸŒ±πŸ„
πŸ„πŸŒ±πŸŒ±πŸ₯—πŸ„πŸ„πŸ„πŸ„πŸ„
πŸ„πŸ„πŸ„πŸ„πŸ„πŸŒΈπŸŒ·πŸŒΊπŸŒΈ

11 months ago 10 3 0 0
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5/ Some wings have evolved strategies to help reduce damage resulting from collisions. For example, we learned a few years ago that wasp wings have a flexible joint that acts like a reversible crumple zone, allowing the wing tip to easily bend out of the way when it hits things...

1 year ago 58 22 1 0

Harry Potter $ helped pay for this ruling #boycott

1 year ago 174 59 3 1

I'm definitely biased, but it always feels like a fun little journey saying Phreatomerus latipes. It's an isopod native to desert springs in South Australia and is the focus of my master's project.

1 year ago 1 0 1 0
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First ever confirmed image of a colossal squid in the deep ocean The colossal squid is the largest invertebrate on the planet, but it is also surprisingly elusive. An image of a 30-centimetre-long juvenile is our first glimpse of the animal in its natural habitat

A colossal squid β€” the largest invertebrate in the world β€” has been photographed alive in its habitat for the first time. And it's just a baby. www.newscientist.com/article/2476...

1 year ago 144 68 5 15
The mnemonic on top reads "chewing bits in muck, crustaceans process debris." The text underneath lists leg segment names "coxa basis ischium merus carpus propodus dactylus" and in the centre is a line drawing of an isopod leg. The background is a murky green pond.

The mnemonic on top reads "chewing bits in muck, crustaceans process debris." The text underneath lists leg segment names "coxa basis ischium merus carpus propodus dactylus" and in the centre is a line drawing of an isopod leg. The background is a murky green pond.

I kept forgetting isopod (slater) leg anatomy so I made a handy image to help me remember all of the segments in order. Credit to chatGPT for creating the mnemonic itself πŸ˜† #isopods

1 year ago 3 0 0 0
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You Might Think of Shrimp as Bugs of the Sea. But a Remarkable Discovery Shows the Opposite: Bugs Are Actually Shrimp of the Land A recent study suggests that insects branched out from crustaceans on the tree of life

Shrimps is bugs? No, it’s kinda the other way around. Insects are technically crustaceans, which highlights the importance of systematics in understanding how evolution unfolds. My latest for @smithsonianmag.bsky.social.

1 year ago 691 244 26 49
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A plate of six photos of cave crickets from throughout the Southern Hemisphere: Australia, New Zealand, South Africa, and Chile. All of the crickets are spindly and spider-like, with elongated legs and antennae for sensing in low-light environments. While they share the same body plan, each of the images has a slightly different colouration or pattern; some are mottled and sandy, others are dusky and appear almost covered in peach fuzz (setae). The species from Chile is almost jet black and matte. 

Images Β© Jessa Thurman, Keith Martin-Smith, Greg Tasney, commoncopper via iNaturalist, Peter Swart, and Benjamin Silva Ahumada. Photographs reproduced under Creative Commons licences.

A plate of six photos of cave crickets from throughout the Southern Hemisphere: Australia, New Zealand, South Africa, and Chile. All of the crickets are spindly and spider-like, with elongated legs and antennae for sensing in low-light environments. While they share the same body plan, each of the images has a slightly different colouration or pattern; some are mottled and sandy, others are dusky and appear almost covered in peach fuzz (setae). The species from Chile is almost jet black and matte. Images Β© Jessa Thurman, Keith Martin-Smith, Greg Tasney, commoncopper via iNaturalist, Peter Swart, and Benjamin Silva Ahumada. Photographs reproduced under Creative Commons licences.

A phylogeny (evolutionary tree) with groupings of species coloured by their geographic location. In the tree are four different, unrelated groups from Australia, two from New Zealand, and one from South America. To the left is a zoomed-out schematic of the phylogeny showing that only half of the tree is shown in this figure.

A phylogeny (evolutionary tree) with groupings of species coloured by their geographic location. In the tree are four different, unrelated groups from Australia, two from New Zealand, and one from South America. To the left is a zoomed-out schematic of the phylogeny showing that only half of the tree is shown in this figure.

πŸ“£ New preprint! We reconstructed the cave cricket family tree and found the Australian biota have not 1, but >5 independent evolutionary origins. πŸ‡¦πŸ‡Ί is at the centre of a radiation in the S. Hemisphere that began in the Lower Cretaceous ~119 million years ago. 1/ #bugsky

Paper: tinyurl.com/bddev8kn

1 year ago 65 20 4 0
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Dire wolf debate raises concerns on scientific overhype Even de-extinction advocates say that Colossal Biosciences’ claims are misleading

If you want to read one more dire wolf take this week, i can thoroughly recommend @maxhenrybarnhart.bsky.social's deep dive on what scientists make of the announcement, just why it broke like it did, and what that means for conservation work more broadly.
@cenmag.bsky.social πŸ§ͺ

1 year ago 26 9 4 1
Gouache painting of a spaniel, beagle, and german shepherd. They're holding in their mouths a tennis ball, library card, and rope toy respectively. The beagle looks very proud, while the other two stare at them.

Gouache painting of a spaniel, beagle, and german shepherd. They're holding in their mouths a tennis ball, library card, and rope toy respectively. The beagle looks very proud, while the other two stare at them.

Happy National Library Week!! A great time to ask everyone you know if they have a library card.
#art #nationallibraryweek

1 year ago 3183 1253 16 29

In addition to the reasons mentioned here, I haven't seen anyone mention the fact that the genomic imprinting could not have possibly been the same as from a real dire wolf. They are really dire wolf/grey wolf/dog hybrids.

1 year ago 1 1 0 0
Oil painting of a scene with a prehistoric feel featuring dinosaurs and jungle plants surrounding a McDonald's, under a hazy sky

Oil painting of a scene with a prehistoric feel featuring dinosaurs and jungle plants surrounding a McDonald's, under a hazy sky

Vestige (Golden Arches) by Michael Kerbow

1 year ago 2 0 0 0
Inside My Flooded Cave Ecosystem (One Year of Growth)
Inside My Flooded Cave Ecosystem (One Year of Growth) YouTube video by tanks for nothin

This project gives a really cool overview of how diversity of all sizes contributes to the stability of an ecosystem. It features awesome critters including ostracods, springtails, isopods, and blind fish! #troglofauna #inverts

1 year ago 5 1 0 0
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Megazosteria patula is just one of Australia's many beautiful native cockroaches. The species is found in a range of habitats, from deserts to caves to under seaweed. Look at that gorgeous iridescence! #bugsky

πŸ“Έ: Ryan T Hughes, Nick Volpe via iNaturalist

1 year ago 14 3 1 2