AI-generated image
Wallace's Saw Stag Beetle
BeginnerProsopocoilus wallacei
A stoutly built saw stag beetle from Halmahera, Seram and nearby Indonesian islands. The body is a deep almost-black brown with a fine cream line along the edge of the elytra, and the captive record is 79.3mm.
Difficulty
Beginner
Temperature
20〜24℃
Lifespan
About 8-10 months as adults, the general rule for foreign saw stag beetles
Size
Males 37.1-74.0mm (captive record 79.3mm), females 29.2-37mm (captive record 41.4mm)
Humidity
60〜80%
Diet
Beetle jelly (mainly tree sap in the wild); larvae on fermented substrate or fungus bottles
About
Prosopocoilus wallacei occurs on Halmahera, Seram and nearby Indonesian islands and is stoutly built for a saw stag beetle. Males measure 37.1-74.0mm and females 29.2-37mm; the BE-KUWA 2025 edition gives a captive record of 79.3mm (Ikai Takao, registered 2022) and a wild record of 75.9mm. The body is a deep, almost black brown, dull in males and strongly glossy in females, with a fine cream line along the edge of the elytra. It closely resembles Prosopocoilus bison but is told apart by the male's lack of an inner tooth at the base of the mandible. It gathers mainly at sap and also comes to lights. Along with its relatives Prosopocoilus hasterti and Prosopocoilus laffertei, it grips bark unusually strongly for a saw stag. Larvae take about a year to reach adulthood. It tolerates changes in its surroundings fairly well and is traded as live stock.
Source: Wikipedia (CC BY-SA 4.0)
Lifespan of the Wallace's Saw Stag Beetle
The Wallace's Saw Stag Beetle lives About 8-10 months as adults, the general rule for foreign saw stag beetles.
Size of the Wallace's Saw Stag Beetle
The Wallace's Saw Stag Beetle grows to Males 37.1-74.0mm (captive record 79.3mm), females 29.2-37mm (captive record 41.4mm).
Temperature & humidity for the Wallace's Saw Stag Beetle
The ideal temperature for the Wallace's Saw Stag Beetle is 20〜24℃.
Basic Info
Origin
Indonesia (Halmahera, Seram and nearby islands)
Care Specifications
AggressiveSolitaryBreeding: Easy
Sources: Wikipedia (Prosopocoilus wallacei, ja) / Tsukiyono Kinokoen: Prosopocoilus giraffa rearing manual (general care for foreign saw stags) / BE-KUWA rearing records (2025 edition, Mushi-sha)
Breeding Records & Localities
Captive record (♂)
79.3 mm
Wild record (♂)
75.9 mm
Record source: BE-KUWA 2025 edition (captive 79.3 mm, Ikai Takao, registered 2022; wild 75.9 mm; female captive 41.4 mm, shigeo, registered 2023). Japanese Wikipedia gives an older captive figure of 76.8 mm from 2011.
Notable localities
HalmaheraSeram
Generation codes
- WD
- Wild-caught
- WF1
- Offspring of a wild-caught female
- F1〜
- Captive generations (same locality)
- CBF1
- Cross-locality captive-bred (reset)
Sources: BE-KUWA rearing records (2025 edition, Mushi-sha) / Wikipedia (Prosopocoilus wallacei, ja)
References & Sources
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
- Wikipedia
- Ministry of the Environment, Invasive Species Act: "Guidance for Those Importing Live Insects in Scarabaeoidea"
- CITES Appendix (checklist.cites.org)
- Tsukiyono Kinokoen: Prosopocoilus giraffa rearing manual (general care for foreign saw stags)
- BE-KUWA rearing records (2025 edition, Mushi-sha)
- GBIF
Taxonomy & Authority
Accepted name: Prosopocoilus wallacei (Parry, 1862)
Authority databases: GBIF
Nomenclature follows global taxonomic authority databases.
Regulations & Conservation Status
Not CITES-listed
Plant Protection Act: When importing live specimens of Scarabaeoidea (including rhinoceros beetles, stag beetles, flower beetles, etc.), a species identification certificate issued by the exporting country government agency or equivalent must be attached in accordance with the Invasive Species Act (import ports are limited to Narita, Chubu, Kansai, Fukuoka, and Kagoshima airports). This species itself is not a designated invasive species, and import is possible upon submission of the certificate.
Sources: Ministry of the Environment, Invasive Species Act: "Guidance for Those Importing Live Insects in Scarabaeoidea" / CITES Appendix (checklist.cites.org)
Regulations may change. Always verify the latest information with the relevant authorities.
Wallace's Saw Stag Beetle Listings
Loading latest listingsFind listings for this species
