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Dorcus grandis
The largest Dorcus species from India/Myanmar. Similar to Japanese giant stag but grows larger.
Dorcus grandis is one of the largest Dorcus stag beetles, native to India, Myanmar, and northern Thailand. It closely resembles the Japanese giant stag beetle (Dorcus hopei binodulosus) in body form and coloration, with adults reaching 40–90 mm in body length. The body is glossy black with thick, powerful mandibles. It inhabits deciduous forests, feeding on tree sap. Husbandry closely follows that of the Japanese giant stag: a medium enclosure with ventilated lid, hardwood logs for egg-laying, and fungal substrate bottles for larval rearing—which can produce impressive large specimens. Captive temperature of 20–26°C is recommended. Adults live 1–3 years, an advantage shared with other large Dorcus species. The combination of familiar care requirements, potential for large size, and relationship to the beloved Japanese giant stag make D. grandis a popular gateway into exotic stag beetle keeping.
Origin
India, Myanmar, and northern Thailand
Lifespan
Adult 1-3 years
Size
40-90mm
Temperature
20〜28℃
Humidity
60〜80%
Insect jelly
飼育方法は国産オオクワガタに準じる
Captive record (♂)
96.5 mm
Wild record (♂)
91.5 mm
Record source: BE-KUWA 2025年度版(grandis moriyai 飼育96.5mm 菅原俊光 2024 / 野外91.5mm)
Notable localities
Regional subspecies
飼育レコードは BE-KUWA(むし社)のコンテストで毎年更新される。産地・累代(CBF/WF/WD)・サイズで個体価値が大きく変動する。
Generation codes
Sources:
Edited & verified by: br-choku editorial team
The taxonomic, regulatory, and husbandry data on this page are compiled and verified against the authoritative primary sources below.
Accepted name: Dorcus grandis Didier, 1926
Authority databases: GBIF
Nomenclature follows global taxonomic authority databases.
Plant Protection Act: コガネムシ上科(カブトムシ・クワガタムシ・ハナムグリ等)の生きた個体を輸入する際は、外来生物法に基づき輸出国政府機関等が発行する種類名証明書の添付が必要(輸入港は成田・中部・関西・福岡・鹿児島の各空港に限定)。本種自体は特定外来生物ではなく、証明書の添付により輸入可能。
Sources: 環境省 外来生物法「コガネムシ上科に含まれる生きた昆虫を輸入される方へ」 / CITES 附属書(checklist.cites.org)
Regulations may change. Always verify the latest information with the relevant authorities.
Find listings for this species
菌糸ビンで大型個体を狙える
温度は20〜26℃が適温
成虫は長寿で繁殖も容易
大型血統の選別が重要
Intermediate. This is an intermediate-level species. Some prior experience and knowledge of environmental management are recommended.
The ideal temperature for Grandis Giant Stag Beetle is 20〜28℃. Recommended humidity is 60〜80%. Avoid sudden temperature changes and maintain a stable environment.
The average lifespan of Grandis Giant Stag Beetle is Adult 1-3 years. With proper care and nutrition, they can live a long and healthy life.
Grandis Giant Stag Beetle typically reaches 40-90mm as an adult. Size may vary depending on care conditions and individual genetics.
Grandis Giant Stag Beetle feeds on: Insect jelly. Aim for a balanced diet with appropriate feeding frequency.
The price of Grandis Giant Stag Beetle varies significantly depending on morph, size, and lineage. Check our market price page for the latest pricing information.
Last updated: June 23, 2026