Arthropod Photo of the Week: November 26, 2025 Lichen huntsman spider Pandercetes sp. Araneae: Sparassidae By Valentina Lyau, California, USA #arthropodPOTW

Since arriving in North America six years ago, the elm zigzag sawfly has spread across much of the northeastern U.S. and eastern Canada. A new study in the Journal of IPM documents its spread and reports a new host tree that the sawfly feeds on.

Rapid apple decline has afflicted orchards in several regions of the U.S. in recent years. A new study finds fungus-growing beetles are often associated but do not appear to be a primary culprit, and a variety of other factors are likely at play.

The latest Special Collection in the Journal of Medical Entomology is all about how connecting entomologists, wildlife biologists, and ecologists can strengthen One Health approaches to address vector-borne diseases. 🔗 https://t.co/kt2YS0G5D7 @OUPAcademic @MUVE_ESA

Today is a day to celebrate jaguars as it is #InternationalJaguarDay Illustration of a female jaguar in "Histoire naturelle des mammifères, avec des figures originales, coloriées, dessinées d'après des animaux... par M. Geoffroy-Saint-Hilaire et par Frédéric Cuvier", publ 1824-42

David Lammy was right in 2020 when he called the jury system fundamental to our constitution. Now the government wants to remove juries from all but the most serious cases. It is dangerous and wrong and the Prime Minister must reverse it.

🎉 ONE-DAY ONLY - Free UK Shipping + 10% off! Use code TAKE10 at checkout 🛍️ Get your insect-themed jumper in time for #ChristmasJumperDay - Shop sustainable, support #InsectScience & look fantastic 🐞 🛒 https://t.co/C5Gua6Iz67 #BlackFriday #EntoFashion #GiftIdeas #ShopSmall

Agnes Pockels was nineteen years old when she noticed something strange in the dishwater. It was 1881. She was standing at the sink in her family's home in Brunswick, Germany, watching the way grease moved across the surface of the water. The way soap changed everything. The way

The wisdom of the world is written down in books — knowledge and culture and history. Each time I open a book I think of its previous owners. In this case it was David Holditch, one of the book’s editors. Maybe 40 years from now another signature will decorate the fly leaf.

Powerful morning of gut-punching presentations on reality of #climate & nature emergency from leading scientists speaking at packed #nationalemergencybriefing. Overwhelmingly clear we can only make the necessary transition if social justice & equity are at its heart @nebriefing

Great day out meeting students as part of @tcddublin sustainability and @TrinityAccess21 primary schools biodiversity programme. Some big plans in the works.

Much enjoyed learning about how to study bird migration with radar whilst on the roof of Lund University.

My new scratching post has arrived!

‘Repost’ if you want the alleged antisemitism from the leader of the Reform Party investigated by the Equality and Human Rights Commission (EHRC). ‘Like’ if you feel Reform should be held to exactly the same level of scrutiny that they’d insist apply to every other party.

The Prime Minister just told me any party leader should want to get to the bottom of this Russian bribery scandal with Reform. He is the Prime Minister and a party leader. Why isn't he launching a national investigation himself?

https://t.co/62wxgwQRhd

Submit your abstracts today! Dive into the world of mayflies, caddisflies, dragonflies & more at the #AquaticInsects SIG 🌊🪰 A brilliant two days for freshwater researchers & enthusiasts. 📅 26-27 Feb ⏰ Abstract Deadline: 30 Nov 🔗 https://t.co/O71BBU1boF #AquaticsSIG26

#OnlineArtExchange is today featuring #MuseumShopSunday timely for our recently launched range with Teemill, it features items in our #library "special collections": https://t.co/9hJWHq3Hta Pangolin in "The naturalist's miscellany" by George Shaw; illustrated by Frederick Nodder.

"In Metamorphosis: A Natural and Human History, historian of science Oren Harman offers a meditation on transformation writ large." Read the #ScienceBooks Review: https://t.co/CWQcmg3Jeq

Extended Christmas closure for ZSL Library and Archives 🎄🎄🎄 Our last day open this year will be Thursday 18th December. We will then be closed to visitors and be unable to answer enquiries until we reopen on Tuesday 3 February 2026. Season's Greetings