© Bugman95 / Public domainGiraffe Stag Beetle (Flores)
The Keisuke subspecies of the Giraffe Stag Beetle hails from Flores and Lombok islands and ranks among the largest forms of the species, with captive specimens recorded at up to 122mm — making it one of the longest stag beetles commonly kept. Its elongated mandibles and sleek silhouette give it a striking presence, and its generally calm temperament makes it approachable even for first-time keepers. The subspecies is hardy and breeds readily in captivity, making it a popular pick for beginners. That said, its powerful jaws call for careful handling to avoid getting pinched.
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Giraffe Stag Beetle (Flores) key facts
- Care level
- Beginner-friendly
- Lifespan
- Adults 6-15 months
- Size
- Males 45-122mm, females 31-56.2mm
- Temperature
- 18℃
- Diet
- Beetle jelly; larvae on fungus bottles or fermented substrate
- Temperature & Humidity
- General rule for foreign stag beetles: above 18C in winter, below 30C in summer.
- Breeding & Egg-laying
- Eggs are laid in fermented substrate or logs; rear larvae on fungus bottles or substrate for 7-14 months. Newly emerged adults may not feed until mature.
- Cohabitation
- The mandibles are strong and males can crush females; house both sexes singly and pair briefly under supervision.
- Lifespan & Rearing Period
- Adults live 6-15 months. Larvae take 7-14 months and emergence follows pupation in about a month.
- Health & Notes
- The mandibles can injure fingers, so handle with care. Nine subspecies are traded by locality; do not mix them.
About Giraffe Stag Beetle (Flores)
A giant Flores/Lombok subspecies of the Giraffe Stag Beetle, recorded up to 122mm in captivity and among the longest stag beetles kept as pets. Hardy, easy to breed, and beginner-friendly.
7 things to know before welcoming a Giraffe Stag Beetle (Flores)
1Among the World's Largest
Males grow to 45–122mm, with captive specimens recorded at up to 122mm, making this one of the longest stag beetles in the world. Final size varies by individual and depends heavily on larval-stage care and rearing conditions.
2Handle the Jaws with Care
Mature males have powerful mandibles capable of a strong pinch. When picking one up, hold it firmly by the thorax and keep your fingers clear of the mandibles' range of motion.
3Beginner-Friendly Hardiness
This subspecies is rated beginner-friendly, and following basic temperature management makes long-term keeping relatively easy. It's a good starting point for anyone new to stag beetle keeping.
4Typical Adult Lifespan
Adults typically live around 6 to 15 months. Lifespan varies by individual and husbandry, so keeping temperature and feeding consistent helps them live longer.
5Relatively Easy to Breed
This subspecies is hardy and considered relatively easy to breed. Setting up an egg-laying case with breeding logs and fermented substrate makes captive breeding approachable even for hobbyists.
6Prepare Housing in Advance
Before bringing one home, prepare the basics for adult care — a case, insect substrate, a perch, and a feeding dish. It also helps to choose a spot that won't get too hot.
7Males and Females Differ in Size
Females are smaller than males, typically 31–56.2mm. While males are known for their impressive mandibles, females have smaller jaws and a rounder body shape.
Frequently asked questions about Giraffe Stag Beetle (Flores)
- Q.Is this beetle suitable for beginners?
- A.This subspecies is rated beginner-friendly. With basic temperature management and regular feeding, it's an approachable choice even for first-time keepers.
- Q.How big does this beetle get?
- A.Males range from 45 to 122mm and females from 31 to 56.2mm. Captive specimens have been recorded at up to 122mm, making it one of the longest stag beetles known.
- Q.How long does it live as an adult?
- A.Adult lifespan is roughly 6 to 15 months. This varies by individual and depends on husbandry and environmental conditions.
- Q.Can its mandibles pinch hard?
- A.Yes, males have powerful mandibles that can deliver a strong pinch if handled carelessly. Hold the beetle by the thorax and keep your fingers away from the mandibles when picking it up.
- Q.Are there any legal restrictions on this species?
- A.This subspecies is not listed under CITES.
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