Doctoral Researcher at the University of Helsinki
Ecology and evolution of moths and butterflies
Michal Barták
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Fantastic people and environment, wanna join? 👀
The groups first field trip is underway! @paulinea73.bsky.social got the first caterpillar of her PhD 🥳 @michalbartak.bsky.social
New preprint!
“Climate-driven specialisation in plant–pollinator networks peaks outside the tropics”
Testing the long-debated latitudinal specialisation gradient using >3,400 quantitative networks (>110,000 interactions). Led by @saileesakhalkar.bsky.social and myself ☺️
doi.org/10.1101/2025...
Someone’s dream PhD position is open right now👀
One of my PhD chapters is now out! It’s a review on pyrazines in insects and their biological roles and their evolution.
onlinelibrary.wiley.com/doi/10.1002/...
@lepphylo.bsky.social
@jmappes.bsky.social
Amazing time at the 35th LUOVA Spring Symposium held in Viikki @helsinki.fi, organised by PhD researchers. Grateful to this year’s keynote speakers @ricardonature.bsky.social, @profkathrynelmer.bsky.social, and Marco Gamba for their talks, insights, and engagement with the community of PhDs.
I am beyond excited to announce that ggplot2 4.0.0 has just landed on CRAN.
It's not every day we have a new major #ggplot2 release but it is a fitting 18 year birthday present for the package.
Get an overview of the release in this blog post and be on the lookout for more in-depth posts #rstats
We are looking for Erasmus interns to help with our bird projects at Lammi Biological Station:
www.helsinki.fi/en/research-...
Apply here and specify that you are interested in the great tit project:
www.lyyti.in/Application_...
Looking for a PhD? I am advertising two industry sponsored PhD projects. One on black soldier fly genetics with #betabugs and another on searching insect biodiversity for novel enzymes #Syngenta. Get in touch if you are interested!! bbsrcdtp.lifesci.cam.ac.uk/available-ic...
Chemical communication is the oldest and most widespread form of signalling among and within organisms. Among the many compounds involved in such communication, pyrazines – nitrogen-containing hetero...
And here is the working link: jobs.helsinki.fi/job/Helsinki...
Funded PhD position available 🎉 Come and work with me in Helsinki to uncover the pathways producing colourful tiger moth wings. Lots of options for genomics, CRISPR, fieldwork, behaviour experiments… Email with questions! jobs.helsinki.fi/job/Helsinki...
A few summers ago, we individually reared 1200 wood tiger moth caterpillars with the aim to understand the associations and genetic basis of different traits; colour, chemical defences, behaviour, pheromones and more. The results are here!
Postdoctoral Researcher in Evolutionary Genetics & Ecology of Colour and Performance
Thrilled to announce a Postdoc opportunity in our group on the evolutionary genetics and ecology of colour. Wonderful system, great collaborators, and room to shape your own ideas.
Apply by 7 Jan: jobs.helsinki.fi/job/13477181...
Johanna Mappes
Melanie Brien
Melanie Brien
Melanie Brien
Independent major-effect loci and limited trait associations characterise warning colour variation across sexes and life stages in the wood tiger moth (Arctia plantaginis) https://www.biorxiv.org/content/10.64898/2026.06.03.729769v1
