Lucihormetica grossei – Mega Glowspot Roach | Largest Bioluminescent Roach | Live Arrival Guarantee

Lucihormetica grossei — the Mega Glowspot Roach — is the crown jewel of the Lucihormetica genus and arguably the most impressive bioluminescent roach available in the hobby. Everything that makes the Glowspot roaches extraordinary is dialed up here: larger body size, bolder presence, and the same stunning bioluminescent pronotal spots that have made this genus legendary among serious collectors. If you're going to keep one Lucihormetica, make it this one.

Like its genus-mates, L. grossei produces glowing spots that mimic the warning bioluminescence of toxic click beetles — a textbook example of Batesian mimicry and one of the most remarkable defensive strategies found in any cockroach. The "Mega" in the common name is not marketing hyperbole — this species is genuinely larger and more substantial than others in the genus, making it a standout even in a collection that already includes L. verrucosa and L. subcincta.

Rare, sought-after, and visually spectacular, L. grossei is a species that commands attention and holds value in any serious invertebrate collection. This is a long-term keeper for dedicated hobbyists who want the best the genus has to offer.

Care Highlights

Size, life stage & quantity options

Choose the exact option from the product selector before adding this item to your cart.

• Size / stock option: 10 Count

Count labels state the number of animals in the selected pack. Cart quantity is the number of packs you order.

For a quantity, sex, or life stage not specified in your chosen option, contact Isopod King before purchasing.

• Temperature: 75–85°F; warm and stable tropical conditions
• Humidity: High — keep substrate consistently moist with adequate ventilation
• Substrate: Several inches of coconut fiber or peat-based mix with leaf litter; provide ample burrowing depth
• Hides: Cork bark and sturdy hides; provide both horizontal and vertical retreat options
• Feeding: Dry dog or cat food, fruits, vegetables, leaf litter, and decaying wood; varied diet encouraged
• Enclosure: Large, secure enclosure with smooth upper walls or Fluon barrier; well-ventilated lid essential
• Experience Level: Intermediate to Advanced — a premium, rare species for dedicated collectors

A Live Arrival Guarantee is included with every purchase. In the unlikely event of a DOA, photo and video documentation of the specimen in original packaging is required to process a claim.

Report a live-arrival problem within one hour of carrier-recorded delivery or pickup. Email support@isopodking.com with your order number, clear photos of the affected animals and all packaging, and a brief description. The contact form does not accept photo attachments. Keep the animals, products, and packaging until the claim is resolved. Send any video documentation required by this listing to the same email address. Coverage and resolutions follow our Shipping Policy and Refund Policy.

📋 Care Sheet by The Tarantula Collective