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Lamprima insularis
A golden stag beetle found only on Lord Howe Island. Males are green; females are deep purple with a greenish cast in some light. It resembles L. aurata, but never produces large males with long mandibles.
Lamprima insularis MacLeay, 1885 is a golden stag beetle endemic to Lord Howe Island, Australia. Both sexes have small mandibles and a metallic body. In form and habits it resembles L. aurata, but large males with long mandibles never occur and colour variation is slight: males are green, and almost all females are deep purple with patches that look green in some light. Newly eclosed adults are known to rest for a long time, sometimes more than a year, before they start feeding. Lord Howe Island is a World Heritage site and wild specimens are extremely hard to obtain. The wild population was sharply reduced by two Japanese nationals collecting illegally for smuggling, who also destroyed habitat by splitting the logs the beetles lived in; both were arrested, and some of the seized live beetles were returned to the island. The species has long been kept in Japan, and in recent years domestically bred stock has been available.
Source: Wikipedia (CC BY-SA 4.0)
Origin
Lord Howe Island, Australia (endemic)
Lifespan
Little data (adults may rest more than a year after eclosion before feeding)
Size
Little data (no large long-jawed males)
Temperature
20〜28℃
Humidity
60〜80%
Adults take beetle jelly; larvae eat rotten wood and fermented substrate
Edited & verified by: BreederDirect editorial team
The taxonomic, regulatory, and husbandry data on this page are compiled and verified against the authoritative primary sources below.
Primary sources
Many live foreign Scarabaeoidea (stag beetles, rhinoceros beetles, flower chafers and relatives) are quarantine pests whose import is banned under Japan's Plant Protection Act, and even importable species require a species-name certificate from a foreign government body under the Invasive Alien Species Act (entry only via designated airports, never by international post). Whether a species may enter must be checked with the Plant Protection Station in advance, so choose domestically bred stock and never release captive beetles.
Sources: Plant Protection Station: Importing Scarabaeoidea (JA) / Plant Protection Station: Importing live insects (JA) / Ministry of the Environment: List of invasive alien species (JA) / Species+ CITES query (no listing)
Regulations may change. Always verify the latest information with the relevant authorities.
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There is little numeric data on temperature or humidity. Avoid extreme heat and do not let the substrate dry out.
New adults may rest for more than a year before they start to feed. Leave them undisturbed and pair them only once they are feeding.
Keep adults singly and put pairs together only for mating.
Because of the long rest after eclosion, it takes years to get from egg to an adult ready to breed.
It resembles L. aurata but lacks long-jawed males and shows little colour variation. The wild population was badly depleted by illegal collecting by Japanese nationals, so treat island stock as off-limits and choose domestically bred beetles. Importing foreign stag and rhinoceros beetles is regulated by the Plant Protection Act and the Invasive Alien Species Act (species-name certificate), with each species needing clearance from the Plant Protection Station, so domestically bred stock is the safe choice. Never release captive beetles.
Intermediate. This is an intermediate-level species. Some prior experience and knowledge of environmental management are recommended.
Lord Howe Island stag beetle feeds on: Adults take beetle jelly; larvae eat rotten wood and fermented substrate. Aim for a balanced diet with appropriate feeding frequency.
The price of Lord Howe Island stag beetle varies significantly depending on bloodline, size, captive-bred generation, and sex. Check our market price page for the latest pricing information.
Last updated: September 28, 2026