Dwarf Purple Isopods and Springtail Culture Combo for Sale
Overview
This is a bundled bioactive starter combo: 20 live Dwarf Purple Isopods (Trichoniscus sp.) plus one 8oz live Springtail Culture, shipped together in a single order. Buyers choose between Temperate or Tropical springtails at checkout based on enclosure conditions.
Dwarf Purple Isopods are small substrate-bound cleanup-crew animals with a subtle purple, lavender, or plum tone visible on close inspection. Specifically, they reach 2 to 4 mm at maturity. As a result, they work in leaf litter, soil, moss, and other tight microhabitats where larger isopods would not reach.
Furthermore, this combo targets humid bioactive setups where the keeper wants a quiet, substrate-bound microfauna layer with a small visual reward. Therefore, it suits dart frog vivariums, mourning gecko tanks, and tropical planted terrariums rather than drier reptile setups.
What This Combo Includes
- 20 Dwarf Purple Isopods. Live Trichoniscus sp. “Dwarf Purple,” a small substrate-bound cleanup-crew species with subtle purple tones. The hobby uses “Dwarf Purple” as an umbrella name for multiple Trichoniscus species.
- 1 × 8oz Springtail Culture. Choose Temperate or Tropical at checkout. The 8oz cup contains an active culture with substrate, ready to seed an enclosure or transfer into a dedicated culture container.
- Optional Feed Add-On. A separate checkout option adds 2oz Isopod Feed and 2oz Springtail Feed for supporting the cleanup crew after arrival.
Why 20 Isopods Instead of 15?
Most TC INSECTS combo packs include 15 isopods. However, Dwarf Purple reproduces sexually, meaning the colony needs both males and females to breed. As a result, a 15-count starter group has a small chance of arriving with an unbalanced sex ratio that slows colony establishment.
Therefore, the 20-count count provides better statistical odds of a working male-to-female balance from day one. Furthermore, the higher count helps offset the small body size (2 to 4 mm), since more individuals are needed to perform meaningful cleanup work at this scale.
Honest Note on the “Dwarf Purple” Naming
The hobby trade uses “Dwarf Purple” as an umbrella name for multiple small Trichoniscus species. As a result, the exact species ID is not always confirmed for hobby cultures. Specifically, some Dwarf Purple lines are Trichoniscus pusillus (the confirmed European species also sold here as Pygmy Woodlouse), while others trace to different Trichoniscus species.
Furthermore, this combo uses our standard Dwarf Purple culture, which is substrate-bound. However, our separate Pygmy Woodlouse product spends more time on bark and wood. Therefore, choose this combo for a subterranean cleanup layer or browse the Pygmy Woodlouse listing if surface bark activity matters more.
Temperate vs Tropical Springtails: How to Choose
This choice should match the enclosure type, not the keeper’s preference. Specifically, match the springtail to what you are building:
- Tropical springtails work best in dart frog vivariums, mourning gecko tanks, day gecko enclosures, and any consistently humid tropical setup. They tolerate higher temperatures and prefer constant moisture.
- Temperate springtails work best in cooler or moderately humid enclosures, including crested gecko tanks, many planted terrariums, and indoor setups at standard room temperature.
However, both types overlap well with Dwarf Purple. Furthermore, Dwarf Purple itself prefers slightly cooler temperatures (68 to 78°F) than Dwarf Whites. Therefore, Temperate springtails are a common pairing for keepers running cooler indoor enclosures, while Tropical springtails fit dart frog setups better.
Why a Combo Instead of Buying Separately?
- One order, one shipment. First, both live components ship together. As a result, the shipping cost stays lower than splitting into two separate live-animal orders.
- Beginner-friendly quantities. Next, 20 isopods and an 8oz springtail culture is a sensible seeder amount for a small to medium humid bioactive enclosure. Therefore, the buyer does not need to guess at the right counts.
- Slight bundle discount. Additionally, the combo price comes in slightly lower than buying each component separately.
- Complete microfauna coverage. Finally, Dwarf Purple and springtails both work in humid substrate, but at different scales. Specifically, the isopods process larger organic debris while the springtails handle mold, biofilm, and smaller particles.
Honest Note on Visibility
Dwarf Purple Isopods stay substrate-bound. Specifically, you will see them when you lift bark or stir leaf litter, but most of the colony stays buried during normal observation. Furthermore, the subtle purple coloration only shows on close inspection.
Therefore, customers expecting to watch their cleanup crew working on the surface should consider a Powder Orange combo or Powder Blue combo instead. Those Powder species are surface-active and visible. However, if you want quiet, effective substrate-layer cleanup with a small color reward, Dwarf Purple is a strong pick.
How Dwarf Purple Compares to Dwarf White in a Combo
Both combos cost the same and include 20 isopods plus an 8oz springtail culture. However, the species differ in three ways:
- Reproduction. First, Dwarf Whites reproduce parthenogenetically (no males needed). However, Dwarf Purple reproduces sexually. As a result, Dwarf Whites establish faster from any starter group, while Dwarf Purple establishes faster when the 20-count has balanced sexes.
- Temperature. Next, Dwarf Whites tolerate warmer temperatures (70 to 85°F). Dwarf Purple prefers slightly cooler (68 to 78°F). Therefore, Dwarf Purple suits cooler indoor setups slightly better.
- Color. Finally, Dwarf Whites are plain pale white. Dwarf Purple shows a subtle purple, lavender, or plum tint. Accordingly, Dwarf Purple gives a small visual reward when you spot them.
Furthermore, some keepers run both species together in larger humid setups. The two coexist well without strong competition, since they fill similar niches at slightly different scales.
Setting Up the Combo
Both components do best in the same general humid conditions. Specifically, the setup should give both species a stable moist refuge and decent ventilation without forcing one to compromise.
Substrate and Layout
Use a moisture-retaining substrate like coconut fiber blended with flake soil or decayed hardwood. Then top with a generous layer of leaf litter and several pieces of cork bark. In addition, add a moist sphagnum moss pocket in one corner. Both isopods and springtails will use the moss pocket heavily during the first weeks.
Moisture
Aim for 70 to 90% humidity with one reliably wet zone. Specifically, the moist side should always be damp with sphagnum moss or leaf litter, while the other side can run slightly less wet. However, never let the enclosure fully dry out. Dwarf Purple handles drying poorly compared to drier-tolerant Powder species.
Ventilation
Light ventilation works best. Specifically, sealed bins crash with mite blooms in the high-humidity conditions Dwarf Purple needs. However, heavy ventilation dries small isopods out faster than larger species. Therefore, a vented lid with small slots or fine mesh strikes the right balance.
Food
Leaf litter and decaying hardwood (avoid pine and cedar) feed both populations as a base diet. Additionally, add small vegetable scraps for the isopods. Springtails will graze on biofilm, mold, and decaying organic matter without much supplemental feeding. However, a balanced prepared diet like TC INSECTS Isopod Food simplifies feeding and adds calcium support.
Releasing the Combo
Open both containers indoors as soon as possible after delivery. Then transfer the shipping material directly into the prepared enclosure. Specifically, small mancae and springtails often hide in the packing, so check carefully before discarding anything. Furthermore, place the isopod material near the moist side. After that, leave the enclosure mostly undisturbed for the first one to two weeks.
Best For
- Humid bioactive enclosures with dart frogs, mourning geckos, day geckos, and small humid-loving amphibians
- First-time bioactive builders who want both cleanup layers covered in one order
- Indoor setups running cooler temperatures where Dwarf Whites would slow down
- Keepers who want a subtle color cue in their cleanup crew (purple over plain white)
- Tropical planted terrariums where high humidity and deep leaf litter are standard
Not Best For
- Dry reptile enclosures (leopard gecko, bearded dragon, hognose), where Dwarf Purple will not persist long-term
- Display-focused setups where the keeper wants a visible cleanup crew
- Large bioactive enclosures (40+ gallons), where 20 isopods is too small a seeder count to populate that volume quickly
- Warm-running tropical setups where temperatures regularly exceed 80°F, since Dwarf Purple prefers cooler conditions than Dwarf Whites
- Sealed, no-ventilation tubs, which crash humid mixed cultures with mites faster than ventilated setups
Recommended Add-Ons
- TC INSECTS Isopod Food for a calcium-supported diet that helps the colony build faster
- TC INSECTS Springtail Feed for boosting the springtail culture with up to 40% protein and laboratory-grade nutritional yeast
- TC INSECTS Assorted Hardwood Leaf Litter for natural food, hiding cover, and humidity support for both species
- TC INSECTS Ultra Habitat Kit for keepers who do not already have a prepared humid enclosure ready for the combo
- TC Calcium Ultra Fine for molting support, especially for the small-bodied Dwarf Purple where every adult counts
Frequently Asked Questions
Exactly what comes in this combo?
20 live Dwarf Purple Isopods (Trichoniscus sp.) and one 8oz live Springtail Culture. Specifically, you choose Temperate or Tropical springtails at checkout. Additionally, an optional 2oz Isopod Feed + 2oz Springtail Feed add-on is available during checkout.
Why 20 isopods in this combo?
Dwarf Purple reproduces sexually, so the colony needs both males and females to breed. Specifically, the 20-count provides better odds of a working male-to-female balance compared to a 15-count starter. Furthermore, the higher count helps offset the small 2 to 4 mm body size, since more individuals are needed for meaningful substrate cleanup work.
Should I pick Temperate or Tropical springtails for this combo?
It depends on enclosure conditions. Specifically, Temperate springtails fit cooler bioactive setups around standard room temperature, which matches Dwarf Purple’s slightly cooler preference. However, Tropical springtails fit dart frog vivariums and warmer humid setups better. Therefore, choose based on your enclosure type rather than the combo defaults.
How does this combo differ from the Dwarf White combo?
Three main differences. First, Dwarf Whites reproduce parthenogenetically (faster establishment from any starter group). However, Dwarf Purple reproduces sexually. Next, Dwarf Whites handle warmer temperatures, while Dwarf Purple prefers cooler conditions. Finally, Dwarf Purple has a subtle purple color cue, while Dwarf Whites are plain white.
Will I actually see the cleanup crew working?
Mostly no. Specifically, Dwarf Purple is substrate-bound and stays buried during normal observation. However, the subtle purple color is visible when you lift bark or stir leaf litter. Therefore, this is invisible-but-effective cleanup, not a display crew. If you want visible activity, consider a Powder Orange combo instead.
Can this combo go in my leopard gecko or bearded dragon tank?
Not well. Specifically, Dwarf Purple needs 70 to 90% humidity with a stable moist retreat. Dry desert reptile setups cannot sustain that even with a humid hide. Therefore, drier reptile setups should use a Powder combo or a Niambia capensis (African Cape) culture, which tolerates drier conditions.
Learn More About Bioactive Cleanup Crews
The references below cover background information for first-time bioactive builders. Each source comes from an academic, museum, or government site rather than a competing retailer.
- World Register of Marine Species: Isopoda. Scientific taxonomy reference for the order Isopoda. Useful for understanding how the Trichoniscus genus fits within the broader terrestrial isopod classification.
- USDA NRCS: Soil Biology and the Role of Decomposers. Covers how detritivores like isopods and springtails break down organic matter in soil ecosystems. Useful for understanding why both layers of a cleanup crew (large and small) matter rather than just one.
- MSD Veterinary Manual: Management and Husbandry of Reptiles. Covers reptile enclosure husbandry by species, including humidity, substrate, and temperature requirements. Useful for matching enclosure conditions to both the reptile and the cleanup crew species in the same setup.
