© User:Sarefo / CC BY-SA 3.0Grant's Rhinoceros Beetle
Grant's Rhinoceros Beetle is a North American species prized for its pale, almost white body color and sturdy build. It grows larger than the closely related Dynastes tityus, reaching 40 to 80 mm as an adult. Males carry an impressive horn that gives them a striking presence, and their temperament is generally regarded as calm and easy to handle. Rated as suitable for intermediate keepers, this species does well once the basics of temperature and humidity management are in place. With an adult lifespan of roughly three to eight months, longer than many other rhinoceros beetles, it offers plenty of time to enjoy watching it up close.
View Grant's Rhinoceros Beetle encyclopedia →0% commission on your first sales!Register by September 30, 2026 and your first 2 sales are commission-free!
Breeder Wanted!
List on BreederDirect and sell directly to customers nationwide!
6 Transparency Standards You Can Trust
When listing Insects, Breeders disclose the following. We guarantee transparency on growth stage and breeding unit.
- Life Stage Clarity
- Generation Info
- Real Photos
- Breeding Unit
- Country of Origin
- Body Length (mm)
Browse all 296 breeds
Verified breeders wanted for Insects
Breeders are signing up now ahead of launch. Subscribe to be notified when new listings go live.
Getting alerts is free with a member account. When new listings match your saved search, we'll notify you by email and in-app.
Browse other categories
Verified breeders (preview)
About Grant's Rhinoceros Beetle
Grant's Rhinoceros Beetle is a North American species known for its pale white body. Adults reach 40-80mm and live 3-8 months as adults, making it well suited to intermediate keepers.
7 things to know before welcoming a Grant's Rhinoceros Beetle
1Pale Color, Large Build
Its pale, whitish body is the defining trait, and it grows larger than the related Dynastes tityus. Males have an impressive horn, giving them a striking, powerful appearance.
2Suited to Intermediate Keepers
This species assumes some familiarity with basic rhinoceros beetle care, such as temperature and humidity management. First-time insect keepers may want to build up that knowledge before bringing one home.
3Adult Lifespan of 3-8 Months
Its adult stage lasts somewhat longer than many other rhinoceros beetles, giving you more time to observe it. Keeping the enclosure environment stable helps it live out its natural lifespan.
4Adult Size of 40-80mm
This range refers to body length including the horn, and individuals vary within it. Size also differs depending on growth stage and whether the beetle is male or female.
5Diet Centers on Insect Jelly
Insect jelly is the main food source and requires no special feeding equipment. Regular replacement and removing leftovers help keep the enclosure clean.
6Temperature and Humidity Matter
Avoiding excessive heat and humidity while keeping airflow good helps maintain its health. Pay attention to seasonal temperature swings and adjust the setup accordingly.
7Prepare the Setup Beforehand
Have the enclosure, substrate, and insect jelly ready before bringing one home. A calm environment set up in advance helps reduce stress from the start.
Frequently asked questions about Grant's Rhinoceros Beetle
- Q.How difficult is it to keep a Grant's Rhinoceros Beetle?
- A.It's considered suitable for intermediate keepers. Having a basic understanding of temperature and humidity management for rhinoceros beetles makes it easier to keep stably.
- Q.How long does the adult beetle live?
- A.The adult lifespan is roughly three to eight months as a guideline. It can vary depending on the enclosure environment and individual differences.
- Q.How large does it grow as an adult?
- A.Adult size is roughly 40 to 80mm. This is body length including the horn, and it varies between individuals.
- Q.What should it be fed?
- A.Insect jelly is the basic food to provide. Replacing it regularly and removing leftovers keeps the enclosure clean.
- Q.Is it subject to any regulations?
- A.Grant's Rhinoceros Beetle is not subject to CITES.
Useful tools for Grant's Rhinoceros Beetle care
Learn more about Grant's Rhinoceros Beetle in the encyclopedia
View Grant's Rhinoceros Beetle encyclopedia entry →
Care difficulty, lifespan, size and diet — all basics covered.
More in this category
Can't find the one you're looking for?
Post your wishes for free and breeders with matching animals will contact you with introductions.