I am a Finnish nature photography hobbyist with special ❤️ for spiders. Also professor of mathematics at Uni Helsinki.

Helsinki, Finland
Joined May 2021
Iloista vappua! Glada Vappen! Happy May Day! 🥳🍾🎉🌺 #wappukatto #WeAreHelsinkiUni
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Ötökkäakatemian Wikipedia-paja lähestyy, tervetuloa! Perehdymme Wikipedian käyttöön ja päivitämme suomenkielisiä, luonnontieteellisiä Wikipedia-artikkeleja. Paja sopii mm. asiantuntijoille, tutkijoille ja harrastajille. Lisätietoa ja ilmoittautuminen: otokkaakatemia.fi/wikipedia-…
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Uudistimme logomme: se näyttää nyt tältä. #logo #ötökkäakatemia
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YOU CANT TAKE ME ANYWHERE WITHOUT THIS HAPPENING.
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New paper is out! ✨️ I collaborated with my colleague Paulo Pantoja and with my advisor @Alex_Bonaldo on the description of 5 new tiny #spider species of #Mysmenopsis and new records for 4 more species already described. :)
On the symphytognathoid spider genus Mysmenopsis Simon, 1898 (#Araneae: Mysmenidae) from the Brazilian Amazonian region: description of five #Newspecies and new records mapress.com/zt/article/view/… #Taxonomy
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[#Arachnology] 🕷️Survey of Linyphiidae spiders (Arachnida: Araneae) from Wulipo National Nature Reserve, Chongqing, China. ✒️ Muhammad Irfan, Lu-Yu Wang, Zhi-Sheng Zhang 🔗 DOI: doi.org/10.5852/ejt.2023.871… #Arachnida #Araneae #Arachnids #Linyphiidae #spiders #newspecies
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Merry Christmas and a fantastic New Year to all my Twitter friends! Keep fighting for the little creatures and #TurnFear2Fascination! #LoveSpiders
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Done ! For what is likely one of my last tweets, I’m finally able to share with you all my infographic on the spiders species I’ve encountered in my garden over the years. 1/5
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Jumping spiders can move each eye independently. The lens itself is fixed on the exoskeleton, but the eye tubes can swivel around internally 👀 The black retina is only visible from the front when the eye is focused ahead! Lyssomanes viridis, magnolia green jumper
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monday_spider retweeted
Spider of interest - Marbled Orbweaver, Araneus marmoreus. This spider is adult at this time of the year so, amongst the var pyramidatus, look for the less common var marmoreus with its various colour variations. Found along woodland edges, dense hedgerows, bramble etc.
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monday_spider retweeted
Found this weirdo on the underside of a leaf, Propostira quadrangulata. A beautiful asian theridiid. She's so cool... @BritishSpiders @AJCann @AAS_arachnology @Biodiversity001 @keralabio @MondaySpider @spiderspapers @inaturalist – at Trivandrum, India
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monday_spider retweeted
She was so beautiful...Herennia multipuncta❤️ @LBrianPatrick @BritishSpiders @AAS_arachnology @MondaySpider #spidersweb @Biodiversity001 @keralabio – at Kerala, India
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