Species profile

Hapalopus planetearth Care Guide

Hapalopus planetearth, usually known in the hobby as the Yasuni Bumblebee Tarantula, is a New World terrestrial tarantula from Ecuador. Adults reach around 6–8 cm and growth is fast. Good care comes down to matching the enclosure to the species' natural lifestyle, keeping fresh water available and making small adjustments from what the spider actually does.

Common names: Yasuni Bumblebee Tarantula, Planet Earth Tarantula

Older / hobby names: Hapalopus planetearthi (retailer misspelling)

Hapalopus planetearth
Photo source & licence

At a glance

Quick facts

World
New World
Origin
Ecuador
Lifestyle
Terrestrial
UK hobby rarity
Rare
Maximum size
Around 6–8 cm
Growth rate
Fast
Male lifespan
Around 1.5–2.5 years
Female lifespan
Around 6–8 years
Temperament
Quick, shy and webby; normally more interested in retreating than remaining exposed
Venom
Bites are not generally considered medically significant
Temperature
20–25 °C; stable room temperatures are suitable
Moisture / humidity
Maintain a mild moisture gradient with good ventilation, especially for small slings
CITES
Not CITES-listed
Lifestyle note
A small Ecuadorian Hapalopus described in 2025; some retailer listings currently misspell the name as planetearthi.

What to expect

Yasuni Bumblebee Tarantulas come from Ecuador and are kept as terrestrial tarantulas. Adults reach around 6–8 cm, with fast growth. In the UK hobby, the species is currently best described as rare.

Do not expect every Yasuni Bumblebee Tarantula to behave identically. Appetite, retreat use, webbing and confidence in the open can vary between individuals, so use the species' normal lifestyle as a guide and adjust to the behaviour of the individual spider.

Enclosure setup

Yasuni Bumblebee Tarantulas are terrestrial, so the enclosure should prioritise floor space, secure footing and a low fall height. Give the spider a snug hide at ground level and enough substrate for normal digging or rearranging around the entrance.

Keep heavy decor low and stable. As Hapalopus planetearth grows, increase the enclosure gradually; a small sling does not need to be placed straight into an adult setup simply because the species can eventually reach around 6–8 cm.

Temperature and room placement

A practical temperature range for Hapalopus planetearth is 20–25 °C; stable room temperatures are suitable. Stable room conditions are more useful than chasing a precise number every hour. Check the shelf where the enclosure actually sits, especially during very warm weather and through winter.

For Hapalopus planetearth, keep the enclosure away from direct sunlight, radiators and electronics that create local hot spots. Do not attach a heat mat directly to the enclosure; if the room is genuinely too cold, warming the room is easier to control than creating one concentrated hot surface.

Moisture, water and ventilation

For Yasuni Bumblebee Tarantulas, the moisture approach is straightforward. Maintain a mild moisture gradient with good ventilation, especially for small slings. You do not need every part of the substrate to be equally wet, and persistent condensation or a stale smell usually means the enclosure is staying too damp.

Keep a clean water dish available for Hapalopus planetearth once the spider is large enough to use one safely. Smaller juvenile enclosures can dry faster than adult setups, so adjust how often you add water to the actual drying rate rather than following a fixed calendar.

Feeding

Feed Yasuni Bumblebee Tarantulas according to their size, appetite and abdomen rather than a fixed weekly schedule. Use established feeder insects that the spider can overpower without a long struggle, and remove live prey if it is ignored.

Young spiders usually eat more regularly while they are growing. Adults can go much longer between meals. If Hapalopus planetearth begins refusing prey and spends more time hidden, premoult is one of the first normal explanations to consider.

Growth and moulting

Growth in Hapalopus planetearth is fast. Young Yasuni Bumblebee Tarantulas generally moult more often than large juveniles and adults, and appetite often changes as a moult approaches.

During premoult in Hapalopus planetearth, remove live prey and keep fresh water available. After a moult, leave the spider undisturbed until the new exoskeleton has hardened and the fangs have darkened before offering food again.

Temperament and safe maintenance

Individual Yasuni Bumblebee Tarantulas vary in how they respond to disturbance, so work around the behaviour of the spider you actually keep. Use long tools when useful and have a catch cup ready for rehousing.

Handling is unnecessary for routine care. Even a normally steady Yasuni Bumblebee Tarantula can react quickly to vibration or a sudden movement, and keeping the spider inside a secure enclosure is safer for both keeper and animal.

Male and female lifespan

Male Hapalopus planetearth are generally expected to live around 1.5–2.5 years, while females can live 6–8 years. These are broad captive ranges, not exact lifespans, and individual growth history can shift maturity earlier or later.

Female Hapalopus planetearth continue moulting after maturity. A mature male eventually reaches his ultimate moult and may become more active around the enclosure while feeding less often. Keep moult dates if you want a clearer picture of age, growth and sex over time.

UK availability and naming

In the UK hobby, Yasuni Bumblebee Tarantulas are currently classed as rare. Availability can change quickly between specialist stock lists, captive-produced batches and show weekends, so treat that label as a guide rather than a promise that a particular size or sex will always be easy to find.

Older hobby material may use the name Hapalopus planetearthi (retailer misspelling). Keep older labels in your records if they came with the animal, but use Hapalopus planetearth when checking current husbandry or taxonomy.

Long-term care

Long-term care for Hapalopus planetearth is mostly about consistency. Keep the enclosure secure, maintain fresh water, feed sensibly, respect the spider's retreat and make changes only when the setup stops working for the animal.

Rehouse a Yasuni Bumblebee Tarantula when the existing enclosure has genuinely become cramped or awkward to maintain, not simply because the spider touches the walls. Prepare the new enclosure completely before moving the spider so the transfer itself can be kept short and controlled.