Tliltocatl epicureanus
Yucatan Rustrump Tarantula: Advanced Care Guide
Keeper Snapshot: A Mexican terrestrial tarantula formerly placed in Brachypelma. Species-specific husbandry literature is sparse, so this guide uses a keeper-selected congeneric protocol: a low enclosure, firm diggable substrate, anchored cork, a localized moisture gradient, strong cross-ventilation, and feeding adjusted to body condition. The Spice 2 lane is a provisional house classification, not a promise about an individual animal.
Group: TarantulasDifficulty: Spice 2: BeginnerSetup: Terrestrial setup with deep substrate and an optional started retreat. This conservative enclosure design does not assume every individual will burrow.Handling: Not recommended. Catch-cup transfers only.
Use This Guide Safely
- Confirm the exact animal. Match this guide to the species, locality, size, and life stage on your label. If the ID is uncertain, use the more conservative part of the range and ask before changing the setup.
- Change one thing at a time. Treat temperature and humidity as target zones, then watch posture, burrowing, drinking, feeding, and molt behavior before making another adjustment.
- Respect the handling boundary. If the guide says no handling, fast, defensive, or medically significant, plan transfers with catch cups, locked lids, and no bare hands. For serious bites, stings, or symptoms, seek emergency medical care.
Quick Snapshot
| Temperature | 70-76F. Keeper-selected working range from the overlap of Tliltocatl vagans and T. schroederi guidance. Avoid direct or unregulated supplemental heat. |
|---|---|
| Humidity | No numeric % target. Use substrate condition instead: keep the open surface mostly dry, maintain light moisture lower in one corner, cross-ventilate at substrate level, and keep a pebble-filled water dish full on the drier side. |
| Setup Type | Terrestrial setup with deep substrate and an optional started retreat. This conservative enclosure design does not assume every individual will burrow. |
| Substrate | Fill about 1/2 to 2/3 of a low enclosure with a firmly packed, diggable coco, peat, or topsoil-based blend without added fertilizer or pesticides. Anchor cork over a started retreat. This is keeper-selected congeneric and fall-prevention guidance. |
| Feeding | Keeper-selected congeneric schedule: offer slings small prey twice weekly and pre-kill prey over about 2/3 of the sling's body length; offer juveniles 2-3 small to medium crickets or 1 medium Dubia roach every 7-10 days; offer adults 4-5 large crickets or 1 large Dubia roach every 2-3 weeks. Adjust to abdomen condition and remove refused prey within 24 hours. |
| Care Difficulty | Spice 2: Beginner |
| Handling | Not recommended. Catch-cup transfers only. |
Humidity zones: Very Low under 30% - Low 30-60% - Low-Moderate 40-70% - Moderate 60-80% - Moderate-High 70-85% - High 80%+ - Very High 90%+
Enclosure Format / Size Class
- Secure sling enclosure with vent gaps checked against the individual
- Low horizontal juvenile enclosure with deep diggable substrate
- Larger low terrestrial adult enclosure selected after the animal is measured
Warnings First
- Handling is not recommended. Use tongs for maintenance and a catch cup for transfers.
- Do not rely on a claimed urticating-setae type or a predictable defensive sequence. Keep loose hairs away from eyes and airways.
- Keep this heavy-bodied terrestrial close to the substrate so the fall distance stays short.
- Provide diggable substrate and an anchored retreat without claiming that every individual will burrow.
- Ventilation and a visible moisture gradient take priority over chasing a gauge.
- Tliltocatl spp. are covered by CITES Appendix II. Keep provenance records and verify current rules before international movement.
- The operational values in this guide are conservative congeneric synthesis and still require keeper review.
Simple Care
- Use a low horizontal enclosure with firm diggable substrate and an anchored cork retreat over a started burrow.
- Keep the open surface mostly dry and maintain light moisture lower in one corner.
- Cross-ventilate low on two opposite walls at substrate level.
- Keep a shallow pebble-filled water dish full on the drier side, away from the retreat entrance.
- Add moisture to the substrate under the hide or in one corner, not over the animal.
- Use tongs for maintenance and stage a catch cup before transfers.
Advanced Keeper Notes
Enclosure & Microclimate
- World Spider Catalog verifies Mexico, and Chamberlin's 1925 description gives Chichen Itza, Yucatan as the type locality. The guide does not turn that limited distribution record into a precise forest, rainfall, elevation, or moisture claim.
- BirdspidersCH presents observational field identifications from shaded Yucatan habitat. Backyard Nature describes an unidentified Chichen-area tarantula that the observer only tentatively associated with this species. Neither record is used as species measurement evidence.
- One Earth describes dry forest, thorn scrub, seasonal rainfall, and calcareous soils for the regional Yucatan ecoregion. That remains regional context only.
- Use a low horizontal enclosure. Keeper-selected congeneric guidance supports filling about 1/2 to 2/3 with firmly packed substrate and anchoring cork over a started retreat. The purpose is fall prevention and the option to excavate, not a claim that every individual burrows.
- Ventilation outranks a humidity number. Put vents low on opposing walls at or just above the substrate line, maintain a mostly dry surface over a localized damp lower area, and avoid stagnant conditions.
- Place a shallow pebble-filled water dish on the drier side away from the retreat entrance. Add moisture under the hide or into one substrate corner, never over the animal. These placement details are Big Z house standards pending keeper review.
Feeding, Growth & Maintenance
- No species-specific feeding study was found. The keeper-selected schedule below is conservative congeneric working guidance and remains subject to keeper review.
- The Tarantula Collective publishes the same stage pattern and prey counts for T. vagans and T. schroederi: slings get small prey twice weekly; juveniles get 2-3 small to medium crickets or 1 medium Dubia roach every 7-10 days; adults get 4-5 large crickets or 1 large Dubia roach every 2-3 weeks. Body condition overrides the calendar.
- For tiny slings, use small or pre-killed prey and pre-kill prey larger than about 2/3 of the sling's body length, following the congeneric source.
- Remove refused prey within 24 hours and remove all live prey when premolt is suspected. The 24-hour all-stage rule is Big Z house practice.
- After a molt, use the congeneric intervals only as inspection windows: 24-48 hours for slings, 3-7 days for juveniles, and 5-10 days for adults. Resume feeding only after normal movement returns and the fangs are dark and firm.
Possible Origin / Range
- Likely native range: Mexico, per World Spider Catalog. Chamberlin's primary description gives Chichen Itza, Yucatan as the type locality. Regional Yucatan dry-forest and limestone information is context only and is not presented as a species profile.
- Habitat translation: Provisional care synthesis, not a species habitat claim: a low terrestrial enclosure with firm diggable substrate, an anchored cork retreat, low cross-ventilation, a mostly dry surface over one localized damp lower area, and a pebble-filled water dish on the drier side away from the retreat.
Advanced Keeper Details
- Chamberlin's primary 1925 description reports the male length as 40 mm and lists individual leg-segment measurements, not a 62 mm total leg measurement. No customer-facing adult-size claim is made from that single type measurement.
- A Backyard Nature observation describes an animal around 7 cm, but the observer and consulted expert did not resolve its identity. That animal is excluded from T. epicureanus evidence.
- Growth, lifespan, and a predictable temperament are not used as care facts because the retained sources do not establish them. Enclosure and feeding decisions instead use the animal's measured span, body condition, behavior, and molt state.
- Taxonomy: Chamberlin described Eurypelma epicureana in 1925. The species later moved through Brachypelma, and Mendoza and Francke transferred it to Tliltocatl. World Spider Catalog currently accepts Tliltocatl epicureanus.
- CITES lists Tliltocatl spp. in Appendix II, and World Spider Catalog marks the taxon as restricted in trade under CITES.
- No setal type or species-level defensive ranking is asserted. The guide retains conservative contact precautions and catch-cup transfers.