Thai Hourglass Spider

Cyclocosmia lannaensis

Cyclocosmia lannaensis – Care Sheet

Scientific Name: Cyclocosmia lannaensis
Common Names: Ravine Trapdoor Spider
Native Habitat: China, Thailand
Type: Terrestrial
Category: Old World
Body Length: Females can reach lengths of 28 mm with a disk diameter of 16 mm¹.
Urticating Hairs: No
Growth Rate: Moderate
Lifespan: Data on lifespan is limited; similar species can live up to 20 years
Recommended Experience Level: Intermediate to Advanced

Housing

• Enclosure: A vertically oriented terrarium with deep substrate to allow for burrowing. The enclosure should mimic a ravine-like structure to accommodate their natural habitat.
• Spiderlings: Smaller enclosures with a moist substrate to prevent desiccation.

Climate

• Temperature: 70-75°F (21-24°C)
• Humidity: Moderate; maintain around 60-70%.

Feeding

• Diet: Small to medium-sized insects such as crickets, roaches, and mealworms.
• Frequency: Feed once a week; decrease frequency as the spider matures.

Behavior

• Temperament: Generally reclusive and prefers to stay within its burrow.
• Handling: Not recommended due to their reclusive nature and potential stress to the spider.

Special Notes

• Webbing: Unlike other spiders, Cyclocosmia does not spin extensive webs. They use a trapdoor-like structure atop their burrows, lined with silk only at the bottom.
• Venom: They possess venom used mainly to subdue prey, not harmful to humans.