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Ant turns venom gland into a glue gun that tethers enemies

Ant turns venom gland into a glue gun that tethers enemies

New Capabilities

Lordomyrma azumai is the first hymenopteran known to produce a solid adhesive thread from its venom gland

Yesterday: Science Magazine reports on the discovery

Overview

Updated 46 minutes ago

Workers of the ant Lordomyrma azumai carry a glue gun in their venom gland. A proteinaceous secretion solidifies into an adhesive thread when extruded, and workers wipe it onto enemies to tether them to the ground.

The finding, posted as a preprint on bioRxiv, is the first known case of a hymenopteran venom secretion functioning as a solid thread. It shows venom glands can evolve into structural tools, not just chemical weapons.

Why it matters

The finding expands the known range of venom use in insects and could inspire new adhesive biomaterials.

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Key Indicators

1st
Known venom-based solid thread in hymenopterans
Lordomyrma azumai is the first hymenopteran known to produce a solid adhesive thread from its venom gland.
3
Ant species known to use venom externally
Pseudoneoponera (foam), Crematogaster (contact toxin), and Lordomyrma (thread).

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Organizations Involved

Timeline

2 events Latest: Yesterday
  1. Science Magazine reports on the discovery

    Latest Media

    Science Magazine covers the preprint describing the first venom-based solid thread in hymenopterans.

  2. Preprint describes glue gun ant

    Publication

    Preprint on bioRxiv shows Lordomyrma azumai produces adhesive threads from its venom gland.

Scenarios

1

Peer review confirms glue gun ant finding

Likely Resolves by Q2 2027

Discussed by: The bioRxiv preprint itself; peer reviewers will assess the evidence

The preprint undergoes peer review and is published in a scientific journal, confirming that Lordomyrma azumai produces a solid adhesive thread from its venom gland. This would cement the finding as the first known venom-based solid thread in hymenopterans.

2

Similar venom-thread mechanisms found in other ant species

Possible Resolves by End of 2027

Discussed by: The bioRxiv paper notes the closest known cases (Pseudoneoponera foam, Crematogaster contact toxin), suggesting convergent evolution

Researchers examine other ant species and find similar adhesive thread mechanisms, suggesting this is a broader evolutionary pattern rather than a one-off adaptation.

3

Glue gun ant inspires biomaterial research

Possible Resolves by Q2 2028

Discussed by: Harvard Magazine notes velvet worm glue has biomaterial potential; similar interest could follow this discovery

Materials scientists study the adhesive thread's properties for potential applications in biomimetic adhesives or fibers, following the pattern set by velvet worm glue research.

Historical Context

3 moments from history that rhyme with this story — and how they unfolded.

Ongoing research

Velvet worms and their glue cannons

Velvet worms, ancient relatives of arthropods, shoot twin jets of glue-like slime from nozzles to entrap prey. The adhesive is produced in an internal gland nearly as long as the animal.

Then

The glue has been studied for biomaterial potential, with Harvard's Museum of Comparative Zoology mounting an exhibit on the creatures.

Now

Velvet worm glue is considered a promising model for new adhesives and materials.

Why this matters now

Shows another invertebrate using adhesive secretion for prey capture, and the biomaterial interest that followed.

Known behavior

Spitting spiders spew glue from venom glands

Spitting spiders spew silky glue from their venom glands to pin down larger spiders before delivering a killing bite.

Then

Demonstrates venom gland repurposing for adhesive use in arachnids.

Now

Establishes a precedent for venom glands evolving into adhesive delivery systems.

Why this matters now

Shows a precedent for venom glands evolving into adhesive delivery systems, though in spiders rather than hymenopterans.

Known behavior

Pseudoneoponera ants use foam threads

Pseudoneoponera (formerly Pachycondyla) ants froth a proteinaceous poison gland secretion into foam threads that entangle attacking ants.

Then

The closest known case to Lordomyrma, but the secretion forms a foam rather than a solid filament.

Now

Shows ants can repurpose poison gland secretions for physical defense.

Why this matters now

Directly comparable - the same gland type used for a similar defensive purpose, but with a different material outcome.

Sources

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