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Nathan Havill

@nphavill.bsky.social
913 followers 420 following 76 posts

Evolutionary Biologist. Forest Entomologist

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Reposted by Nathan Havill
Casey Dunn @caseywdunn.bsky.social · 25/08/2026
My new book, Phylogenetic Biology, is now published. Available online for free at dunnlab.org/phylogenetic... . Physical copies can be purchased at shop.lightningsource.com/b/085?params... or your favorite bookstore.
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Nathan Havill @nphavill.bsky.social · 09/04/2026
Wondering if an insect could become a high-impact tree pest if introduced to North America? Check out the iTree Pest Predictor: pestpredictor.itreetools.org
pestpredictor.itreetools.org
Pest Predictor - Insect Invasion Model - i-Tree
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sandyliebhold.bsky.social @sandyliebhold.bsky.social · 30/01/2026
Proud to share the new Bluesky page for the Forest Invasion Synthesis Centre here in Prague! bsky.app/profile/fore...
bsky.app
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Martin A. Nuñez @martin-nunez.bsky.social · 13/01/2026
You ❤️ Science You hate writing papers and dealing with reviewers… It does not need to be like this. Get a copy of A Pocket Guide to Scientific Writing and Publishing 🧪🗺️
Book Amazon page of a pocket guide to scientific writing and publishing
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Jen Weimer 🌲 @pinefortrees.bsky.social · 21/11/2025
news.cornell.edu/stories/2025... #foresthealth #forestfriday
news.cornell.edu
Cornell ash trees aim to beat back borer insects | Cornell Chronicle
Cornell Botanic Gardens is collaborating with conservation partners to propagate trees resistant to emerald ash borers.
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Genome Biology and Evolution @genomebiolevol.bsky.social · 23/10/2025
@bryanbrunet.bsky.social @nphavill.bsky.social et al. present the genome of the hemlock woolly adelgid, one of eastern North America's most destructive and invasive forest pests. The 216 Mbp genome is highly complete (97.7% BUSCO). 🔗 doi.org/10.1093/gbe/evaf170 #genome #evolution
GBE | The Genome Sequence of the Hemlock Woolly Adelgid, Adelges tsugae Annand 1924
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Nathan Havill @nphavill.bsky.social · 22/10/2025
Our hemlock woolly adelgid (Adelges tsugae) genome note is out! @bryanbrunet.bsky.social academic.oup.com/gbe/article/...
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Andrea Gloria-Soria @agloriasoria.bsky.social · 19/09/2025
The invasive form of Ae. #aegypti mosquito evolved within the Americas, after arriving from Africa ~320 ya. Our most recent paper is out @science.org. Years of work with collaborators all around led by J. Crawford! Great resource for the Vector Research community!. www.science.org/content/arti...
science.org
How the yellow fever mosquito conquered the world
Aedes aegypti further adapted to life around humans when it arrived in the Americas, study of hundreds of mosquito genomes reveals
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Casey Dunn @caseywdunn.bsky.social · 11/09/2025
Interested in joining our lab (dunnlab.org) as a postdoc to work on siphonophores, processes that structure diversity in the open ocean, or natural history? If so, please reach out to discuss a nomination for the Donnelley Postdoctoral Fellowship - yibs.yale.edu/donnelley-fe...
dunnlab.org
The Dunn Lab
Casey Dunn's laboratory in the Department of Ecology and Evolutionary Biology at Yale University.
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Dr. Jessica L Ware @jessicalwarelab.bsky.social · 03/09/2025
Join us! The Division of Invertebrate Zoology at the American Museum of Natural History is hiring a curatorial associate! For more information : careers.amnh.org/postings/4529
careers.amnh.org
Curatorial Associate
The American Museum of Natural History is one of the world’s preeminent scientific and cultural institutions, and has as its mission to discover, interpret and disseminate information about human cult...
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Casey Dunn @caseywdunn.bsky.social · 28/08/2025
I hope to take a PhD student in 2026 to study siphonophores. Please reach out if you are interested in applying this fall. For examples of recent lab projects see www.sciencedirect.com/science/arti... and academic.oup.com/gbe/article/...
sciencedirect.com
Population genomics of a sailing siphonophore reveals genetic structure in the open ocean
The open ocean is a vast, highly connected environment, and the organisms found there have been hypothesized to represent massive, well-mixed populati…
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Nathan Havill @nphavill.bsky.social · 14/08/2025
Thank you, Entomology Today @entsocamerica.bsky.social, for covering our work on adelgids of Bhutan. If we want to prevent #bioinvasions, we need to know what’s out there. Also, adelgids are super cool insects 😁 entomologytoday.org/2025/08/13/u...
entomologytoday.org
Unusual Galls Trigger National Survey of Adelgids and Their Predators in Bhutan Forests
When aphid-like insects appeared in Bhutan forests, local researchers collaborated with USDA Forest Service experts to identify species, including four new to science.
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Nathan Havill @nphavill.bsky.social · 14/08/2025
entomologytoday.org/2025/08/13/u...
entomologytoday.org
Unusual Galls Trigger National Survey of Adelgids and Their Predators in Bhutan Forests
When aphid-like insects appeared in Bhutan forests, local researchers collaborated with USDA Forest Service experts to identify species, including four new to science.
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Andrea Gloria-Soria @agloriasoria.bsky.social · 18/07/2025
Detecting chromosome inversions in @aegypti is a real art! I am honored to be part of this project. academic.oup.com/gbe/article/...
academic.oup.com
Chromosomal Inversions and Their Potential Impact on the Evolution of Arboviral Vector Aedes aegypti
Abstract. Chromosomal inversions play a crucial role in evolution and have been found to regulate epidemiologically significant traits in malaria mosquitoe
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Andrea Gloria-Soria @agloriasoria.bsky.social · 18/07/2025
First chromosome-level reference assembly of field @aegypti formosus and sister species @aedes mascarensis is out. Work led by @genmorinaga.bsky.social if @jsoghigian.bsky.social group in collaboration with us at #CT_CAES, @yale.edu, @ird-fr.bsky.social, @pasteur.fr academic.oup.com/gbe/advance-...
academic.oup.com
From macro to micro: De novo genomes of Aedes mosquitoes enable comparative genomics among close and distant relatives
Abstract. The yellow fever mosquito (Aedes aegypti) is an organism of high medical importance because it is the primary vector for diseases such as yellow
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Andrea Gloria-Soria @agloriasoria.bsky.social · 03/07/2025
#threeMosquitoes. “The biology of deadly insects.” A book by my colleague and friend Jeff Powell is out! He just brought in my very own signed copy! Get yours @hopkinspress.bsky.social www.press.jhu.edu/books/title/...
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Nathan Havill @nphavill.bsky.social · 03/06/2025
Our article got the cover (!) with this cool photo of the inside of an adelgid gall, taken by Dr. Kaka Tshering. Lots of new information about adelgids (including on hemlock), their predators, and associated fungi in Bhutan academic.oup.com/jinsectscien... @entsocamerica.bsky.social
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Nathan Havill @nphavill.bsky.social · 22/04/2025
Leucotaraxis piniperda from WA, released in CT for biological control of hemlock woolly #adelgid. Some papers about the science behind the effort: research.fs.usda.gov/treesearch/6... research.fs.usda.gov/treesearch/6... research.fs.usda.gov/treesearch/6... link.springer.com/article/10.1...
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Nathan Havill @nphavill.bsky.social · 18/04/2025
Hemlock woolly adelgid. Still killing trees in Connecticut.
Dense hemlocks woolly adelgid colony on a hemlock twig.
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Reposted by Nathan Havill
Anurag Agrawal @anurag-asclepias.bsky.social · 03/04/2025
I have created a feed "plant insect ecology" for posts on the biology, ecology, evolution, & natural history of plants & insects... to post, simply include #plant-insect. Please post images, opportunities, academic articles w/ links, etc. DM w/ suggestions, it will take some days to optimize
Tall saguaro cactus
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Andrea Gloria-Soria @agloriasoria.bsky.social · 03/04/2025
We put together a fact sheet for #Aedes #aegypti. You can access the corrected proof from the link below. kwnsfk27.r.eu-west-1.awstrack.me/L0/https:%2F...
kwnsfk27.r.eu-west-1.awstrack.me
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Reposted by Nathan Havill
Jen Weimer 🌲 @pinefortrees.bsky.social · 17/03/2025
A non-native invasive moth has been lurking in the Northeast for more than 120 years and has recently become a pest again – of trees and people – in parts of Maine. Learn more in my latest article. #foresthealth #browntailmoth #forestpests #invasives northernwoodlands.org/knots_and_bo...
northernwoodlands.org
The Ups and Downs of Browntail Moths | Spring 2025 | Knots and Bolts | Knots and Bolts
A non-native invasive moth has been lurking in the Northeast for more than 120 years and has recently become a pest again – of trees and… This content is available in the magazine only. Please Subscr...
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Nathan Havill @nphavill.bsky.social · 02/03/2025
Fun article written with Ohio State University Buckeye Yard and Garden Online about hemlock woolly adelgid life cycle. bygl.osu.edu/node/2454
bygl.osu.edu
The fascinating complex life cycle of hemlock wooly adelgid (HWA), Adelges tsugae Annand
The hemlock woolly adelgid (HWA), Adelges tsugae, is an invasive insect that has caused the decline and mortality of eastern hemlock (Tsuga canadensis) and Carolina hemlock (Tsuga caroliniana) in east...
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Nathan Havill @nphavill.bsky.social · 19/02/2025
Our new paper(!) developed a comprehensive model to predict which non-native insects will have high impact on trees after arrival… onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
What Is a Specialist? Quantifying Host Breadth Enables Impact Prediction for Invasive Herbivores
Herbivores are commonly classified as host specialists or generalists for various purposes, yet the definitions of these terms, and their intermediates, are often imprecise and ambiguous. We quantifi...
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Reposted by Nathan Havill
Lindsay Triplett @triplettlr.bsky.social · 11/02/2025
US Undergraduates! You still have until next Friday to apply to the Plant Health Fellows internship program in New Haven, CT. Learn about plant health research and careers for 9 weeks, includes $5,000 stipend and apartment housing: www.southernct.edu/plant-health...
southernct.edu
Plant Health Fellows | Southern Connecticut State University
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Reposted by Nathan Havill
Nathan Havill @nphavill.bsky.social · 04/02/2025
Adelgid of the week. LEGLESS EDITION!! Adelges (Cassiadelges) coccipus, Havill & Brunet, 2025. Collected from larch trees in Bhutan. The first member of Aphidomorpha completely lacking legs!! www.mapress.com/zt/article/v... @bryanbrunet.bsky.social @entsocamerica.bsky.social
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Nathan Havill @nphavill.bsky.social · 04/02/2025
Adelgid of the week. LEGLESS EDITION!! Adelges (Cassiadelges) coccipus, Havill & Brunet, 2025. Collected from larch trees in Bhutan. The first member of Aphidomorpha completely lacking legs!! www.mapress.com/zt/article/v... @bryanbrunet.bsky.social @entsocamerica.bsky.social
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Andrea Gloria-Soria @agloriasoria.bsky.social · 01/02/2025
First genome assembly of wild #Aedes mosquitoes. Paper coming soon! Pre-print is out! Thanks to our collaboration with @jsoghigian.bsky.social, @ird-fr.bsky.social, @yale.edu and #CT_CAES.
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Andrea Gloria-Soria @agloriasoria.bsky.social · 22/01/2025
Hot of the press! #albopictus, an invasive mosquito in Connecticut has the highest #Heartworm infection rate of all 17 #mosquito species surveyed. Check it out! academic.oup.com/jme/advance-...
academic.oup.com
Filarial parasite infection prevalence in field-caught mosquitoes from Connecticut, United States
Abstract. Filarial nematodes are parasitic roundworms transmitted by mosquitoes that can cause morbidity and mortality for their human and animal hosts. Th
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Dave Coyle @drdavecoyle.bsky.social · 17/01/2025
Many of us #foresthealth professionals work very closely with the USDA Forest Service, and kudos to them for putting together this great video to highlight what they do. Healthy forests are no accident, folks - it takes a lot of behind the scenes work. f.io/8E1uBZDu
f.io
Frame.io
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Nathan Havill @nphavill.bsky.social · 01/01/2025
Happy New Year! [Young adelgid gall, Mt Fuji, June 2004]
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Dr. Torrance Hanley @torrancehanley.bsky.social · 30/12/2024
The deadline for undergraduates to apply for this paid international research experience is January 2nd. Please help spread the word. See 🧵 for details or contact me. 🧪🐝
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Nathan Havill @nphavill.bsky.social · 18/12/2024
Adelgid of the week! Adelges (Cholodkovskya) viridanus. Native throughout Eurasia, and thought to be anholocyclic on species of larch. The alates settle on the needles and have characteristically fluffy wax.
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Nathan Havill @nphavill.bsky.social · 12/12/2024
Counting hemlock adelgids as I pick them off foliage. I chose the oldest counter in the lab drawer. It makes a very satisfying “clunk” when pushing the button.
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Nathan Havill @nphavill.bsky.social · 11/12/2024
Adelgid of the week! Adelges (Dreyfusia) piceae. A.k.a. - balsam woolly adelgid.
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Nathan Havill @nphavill.bsky.social · 06/12/2024
The USDA Interagency Research Forum on Invasive Species is, imho, the premier conference for #bioinvasions in forest ecosystems. Check out the draft program for the 33rd meeting taking place February 25-28, 2025 in Annapolis MD. research.fs.usda.gov/nrs/news/eve...
research.fs.usda.gov
USDA Interagency Forum on Invasive Species | US Forest Service Research and Development
Location: Graduate Annapolis Hotel, Annapolis, MarylandView the draft program here.
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Nathan Havill @nphavill.bsky.social · 04/12/2024
Adelgid of the week! Adelgid (Gilletteella) cooleyi. Native to western North America, from Yukon Territory to Durango. Introduced in eastern North America, Australia, and Europe.
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Jen Weimer 🌲 @pinefortrees.bsky.social · 03/12/2024
Grab a copy of the winter issue of Northern Woodlands Magazine which includes my latest article on how state forest health programs monitor #foresthealth from the air. #treetuesday northernwoodlands.org/issues/toc
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Nathan Havill @nphavill.bsky.social · 26/11/2024
Adelgid of the week! Pineus boerneri. Often confused with the look-alike P. pini, both moved around the world on plantation pines where they can be pests. It’s a mystery where P. boerneri originated. Described from California, but deep divergence in Pakistan, China, Japan, and Korea suggests Asia.
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Martin A. Nuñez @martin-nunez.bsky.social · 21/11/2024
We are 90 people in this #bioinvasions starter pack! I bet that we are more here! If you work on biological invasion/related areas, please comment on the post below and I will add you. Also, please repost so more people sees the call ⭐ Starter packs the best way to find people working on a topic
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Jen Weimer 🌲 @pinefortrees.bsky.social · 19/11/2024
American Beech Faces Another Hurdle: #BeechLeafDisease #treetuesday #foresthealth www.linkedin.com/in/jen-w-b60...
American Beech Faces Another Hurdle: Beech Leaf Disease
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Nathan Havill @nphavill.bsky.social · 18/11/2024
Adelgid of the Week! Pineus cembrae (Cholodkovsky 1888) includes 2 subspecies. Pineus cembrae cembrae is found from the UK to Western Siberia, and Pineus cembrae pinikoreanus is in northeastern China. This beauty was collected by me in 2005 in Zinal, Switzerland on Pinus cembra.
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Nathan Havill @nphavill.bsky.social · 17/11/2024
Hello new followers! Check out my #scholargoogler word cloud.
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Nathan Havill @nphavill.bsky.social · 09/07/2024
umaine.edu/news/blog/20...
umaine.edu
Pest predictor identifies ingredients for ecological recipe for destruction - UMaine News - University of Maine
If you’ve felt the familiar itch of browntail moth rash, seen the grayish-green needles of an infested hemlock or watched as woodpeckers bore into ash trees for a meal hidden beneath the surface, you’...
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Nathan Havill @nphavill.bsky.social · 27/06/2024
Slide mounted silver fly (Chamaemyiidae) larva from Bhutan with a parasitoid larva inside. Nature is cool.
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Erik Ness — The Lemonadist @lemonadist.bsky.social · 12/03/2024
I've been moving towards this project for a few years now. I'm so very happy to drop my first real piece. I look forward to the coming work, and to any feedback! Please subscribe! lemonadist.com/2024/03/11/s...
lemonadist.com
SALTING THE SEASONS - The Lemonadist
“I think about Ice Nine on a regular basis.” Coming in the middle of a conversation about salt pollution, this surprising detour into literary fiction by University of Wisconsin–Madison lake scientist...
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Nathan Havill @nphavill.bsky.social · 29/02/2024
www.fs.usda.gov/research/new...
fs.usda.gov
Predatory Flies Offer New Hope for Hemlock Forests | US Forest Service Research and Development
In April 2023, researchers at Virginia Tech made a discovery at Sandy Point State Forest in King William County, Virginia. They found two silver flies in an area where 435 adult silver flies had been ...
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Andrea Gloria-Soria @agloriasoria.bsky.social · 24/02/2024
The genetic diversity of #aegypti in Saudi Arabia. Paper just published! onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
Microsatellite‐based analysis reveals Aedes aegypti populations in the Kingdom of Saudi Arabia result from colonization by both the ancestral African and the global domestic forms
Evolutionary Applications is an open access evolutionary biology journal, covering questions of health, social and economic significance.
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Nathan Havill @nphavill.bsky.social · 14/02/2024
Charlie says, “Happy Valentine’s Day.”
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Nathan Havill @nphavill.bsky.social · 02/02/2024
I hope everyone has as much fun this weekend as this adelgid appears to be having!
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