Aspinochilus rufus

Meet Aspinochilus rufus: A Striking New Tarantula from Indonesia!

Exciting news for spider lovers and biodiversity enthusiasts! A fascinating new tarantula species, Aspinochilus rufus, has just been described from the lush montane rainforests of Mount Argopuro in East Java, Indonesia. With its eye-catching red coloration (hence the name “rufus”) and unique habitat, this spider is already making waves among researchers and tarantula keepers alike.

What Makes Aspinochilus rufus Special?

Unlike other members of the subfamily Ornithoctoninae, Aspinochilus rufus stands out with minimal spines on its legs and palps. This distinctive feature, combined with a low head (caput) and narrow clypeus, sets it apart from its close relatives like Citharognathus, Cyriopagopus, and Ornithoctonus. For spider experts, the divided spermatheca (reproductive organ) is another clear distinguishing characteristic.

Where Does It Live?

This tarantula calls the dense primary montane rainforest of Mount Argopuro home. Found at altitudes around 900 meters, juvenile spiders cleverly hide in silken tubes near tree roots, while adult females take up residence in tree hollows and branch forks about two meters above the ground. Their camouflage skills are top-notch, blending seamlessly into their environment with coverings of soil, leaves, and moss.

Conservation Concerns

Sadly, the habitat of Aspinochilus rufus is under severe threat due to deforestation and agricultural expansion. This discovery highlights the urgent need for conservation efforts to protect the rich but fragile biodiversity of the region. Every new species described brings us closer to understanding and safeguarding the natural world.

Fun Fact for Tarantula Keepers

If you’re into tarantula keeping, you may already know this species! Though only recently scientifically described, Aspinochilus rufus has been popular in the tarantula community for its ease of care and striking appearance for many years -> Phormingochilus sp. Rufus was its previous name in the community.

Final Thoughts

The discovery of Aspinochilus rufus is a reminder of how much remains unknown in the natural world. Describing and documenting species like this is crucial, not just for science, but for conservation. Let’s hope more efforts go toward protecting Mount Argopuro and its incredible wildlife!

Citation

Müller, S., Fardiansah, R., Schneider, F., Wanke, D., Wirth, V. von & Wendt, I. (2024). Description of a new genus and two new species of Ornithoctoninae from Southeast Asia (Araneae: Theraphosidae). Integrative Systematics 7(2): 23-39. doi:10.18476/2024.122121