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Adams's antler horn beetle© Natural History Museum: Coleoptera Section from South Kensingon, London, UK / CC BY 2.0

Adams's antler horn beetle

The Adams's antler horn beetle is a member of the antler horn beetle genus, found across the Korean peninsula and China. Males develop antler-like protrusions on the head, which is where the genus's English name "antler horn beetle" comes from. This mid-sized flower chafer measures 20 to 32mm and is notable for its long front legs. It's generally considered suited to intermediate keepers, making it a fitting next step for those who already have some insect-keeping experience and want to appreciate its distinctive form up close.

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Adams's antler horn beetle key facts

Care level
Intermediate
Lifespan
Little data
Size
20-32mm (genus accounts)
Diet
Adults take fruit or beetle jelly; larvae eat humus-rich substrate
Temperature & Humidity
There is little numeric temperature data. As a temperate species ranging from Korea to northern China, keep it away from places where summer heat builds up.
Enclosure
It has long front legs and males carry horn-like head projections. Use a well-ventilated enclosure with climbing wood and perches.
Breeding & Egg-laying
Little is published on breeding this species. Flower chafer larvae grow in humus-rich soil, so provide a deep layer of well-fermented substrate for laying.
Lifespan & Rearing Period
Larval duration and adult lifespan are poorly documented.
Health & Notes
Flower chafers are named among the insects whose live import the Plant Protection Act bans. 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.
TraitsDicronocephalusFlower chaferKoreaHorned

About Adams's antler horn beetle

A mid-sized beetle (20–32mm) from the antler horn beetle genus, native to the Korean peninsula and China. Males develop deer-antler-like head horns and long front legs; considered a species suited to intermediate keepers.

7 things to know before welcoming a Adams's antler horn beetle

  1. 1Antler-Like Horns on Males

    Males of this genus develop antler-like protrusions on the head, which is where both the genus name and the English "antler horn beetle" come from. Take a closer look and you'll appreciate the striking presence these horns give to males.

  2. 2A Mid-Sized Species (20–32mm)

    Adults typically measure 20 to 32mm, placing them among the mid-sized flower chafers. They have enough presence to be eye-catching without demanding excessive enclosure space.

  3. 3Notably Long Front Legs

    Beetles in this genus, including this species, are known for their long front legs. Watching how they move and balance offers a different impression from many other flower chafers.

  4. 4Suited to Intermediate Keepers

    This species is generally considered suited to intermediate keepers. Having some basic insect-keeping knowledge makes day-to-day care easier to manage; first-timers may want to start with an easier species before taking this one on.

  5. 5Limited Lifespan Data

    Documented information on the lifespan of the Adams's antler horn beetle remains limited. Keeping notes on growth and activity during your own care can be a valuable reference as more is learned.

  6. 6Native to Korea and China

    This species is distributed across the Korean peninsula and China, an environment that differs from that of Japan's native species. It's worth keeping the climate and seasonal conditions of its native range in mind when setting up housing.

  7. 7Preparing Before You Bring One Home

    Before bringing one home, it helps to have the housing and equipment needed for a mid-sized flower chafer ready in advance. Look into available reference material beforehand so you're set up to enjoy observing it from day one.

Frequently asked questions about Adams's antler horn beetle

Q.What kind of insect is the Adams's antler horn beetle?
A.It's a species in the antler horn beetle genus, found across the Korean peninsula and China, and a mid-sized flower chafer measuring 20 to 32mm. Males have deer-antler-like protrusions on the head, which is also the source of the English name "antler horn beetle."
Q.Is it suitable for beginners?
A.This species is generally considered suited to intermediate keepers, so it may be more challenging for those new to insect keeping. Building some basic knowledge and experience first is recommended before taking it on.
Q.How can you tell males and females apart?
A.In this genus, males develop antler-like protrusions on the head, which is a key characteristic. The presence and development of these horns can serve as one clue for telling the sexes apart.
Q.How long do they live?
A.Documented information on the lifespan of the Adams's antler horn beetle is still limited. Keeping records during care can help contribute to the information available over time.
Q.Are there any regulations to be aware of when keeping one?
A.The Adams's antler horn beetle is not subject to CITES. 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.

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