AnimaliaHighest rank in taxonomy. Groups all life into domains: Animalia, Plantae, Fungi, etc.IUCN LCInternational Union for Conservation of Nature — the world authority on species extinction risk, using standardized criteria. — Least Concern — widespread and abundant; not at immediate risk of extinction.In ProgressCurrent stage of this record in the editorial review workflow. Recent Sighting
Euchroma gigantea
Giant Metallic Ceiba Borer
Linnaeus, 1758
Detailed Texts Multi-lang
This beetle is a giant of its family, characterized by a metallic olive-green exoskeleton with copper or bronze reflections, showing an iridescent sheen under direct sunlight. Its body is robust, elongated, and streamlined, with finely striated and sculpted elytra. The head is wide with large compound eyes, and it possesses powerful mandibles adapted for boring into hardened wood. Its legs are equipped with strong tarsi to adhere firmly to tree bark.
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Julia Trouin
TaxonomyBiological classification ranks placing this species within the tree of life, from Kingdom down to Genus.
PhylumRank below Kingdom. Groups organisms sharing a fundamental body plan (e.g., Chordata = vertebrates and some invertebrates).Arthropoda
ClassRank below Phylum. Subdivides by structural traits (e.g., Mammalia, Aves, Reptilia, Insecta).Insecta
OrderRank below Class. Groups related families sharing common ancestry (e.g., Carnivora, Primates).Coleoptera
FamilyRank below Order. Groups closely related genera (e.g., Felidae = cats, Canidae = dogs).Buprestidae
GenusRank just above Species. The first word in the two-part binomial scientific name.Euchroma
Taxonomic AuthorityThe scientist who first formally described and published this species, followed by the year of publication.Linnaeus, 1758
Record Completeness
96%Coming soon
Ecology & StatusHow this species lives: habitat preferences, diet, behavior, population status, and role in its ecosystem.
OriginWhether the species is native (evolved here), endemic (found only here), or introduced by human activity.
Native
Population TrendDirection of change in population size over time: increasing, stable, decreasing, or unknown.
Stable
Breeding SeasonTime of year when this species typically reproduces or flowers.
Year Round
Trophic RolePosition in the food chain: producer, herbivore, carnivore, omnivore, decomposer, or parasite.
Herbivore
Recent SightingsWhether this species has been observed in the wild in Costa Rica within recent years.
Yes
Habitat SummaryOverview of the specific ecosystems and environments where this species is found in Costa Rica. Multi-lang
It inhabits mainly lowland humid tropical forests, with a special affinity for trees of the Malvaceae family, particularly Ceibas (Ceiba pentandra). It is widely distributed from southern Mexico throughout Central America to northern South America, preferring the tree canopy and trunks exposed to the sun.BehaviourDaily activity patterns, movement, territory use, foraging style, and seasonal behavioral changes. Multi-lang
It is a diurnal beetle, highly active under direct sunlight. Adults spend much of the day perched on tree trunks where they feed, exhibiting territorial behaviors. Its flight is powerful and noisy, moving rapidly between treetops. Communication between individuals is mainly carried out through visual signals and vibrations transmitted through the wood of the trunks.Social ActivitySocial structure: whether the species is solitary, paired, or colonial; hierarchy and communication. Multi-lang
Generally solitary, except during mating season. Adults may congregate briefly in specific trees that offer an abundance of sap or suitable oviposition sites. They do not form colonies or complex social structures.Feeding GuildWhat the species eats, how it forages or hunts, and its role as a consumer in the food web. Multi-lang
Frugivorous/Xylophagous: Larvae are xylophagous, feeding on the internal wood of trees. Adults consume tree sap, flower nectar, and occasionally soft tissues of fallen fruits.Trophic Chain DetailsSpecific interactions in local food webs: prey species, predators, competitors, and scavengers. Multi-lang
As larvae, they act as primary wood decomposers (xylophagous), transforming dead or weakened woody matter into usable nutrients. As adults, they are accidental pollinators when visiting flowers and bark. They are prey to various species of insectivorous birds, arboreal reptiles, and small mammals such as monkeys, which take advantage of their large size as an important source of protein.Reproductive BehaviourMating strategies, courtship displays, nesting or spawning behavior, and parental care. Multi-lang
Complex mating: Males compete aggressively through displays of strength and flight. After mating, the female uses her powerful mandibles to pierce the bark of healthy or damaged trees and deposit her eggs deep into the woody tissue. The larvae go through several stages of development (instars) feeding on wood for months or even years before pupating inside the trunk. The pupal stage lasts several weeks, with the adult emerging through a circular hole.Physical Measures
Length (cm)
5.0 - 7.5 cm
Weight (Grams)
10 g - 25 g
Offspring per cycleTypical number of young (live births, eggs, or seeds) produced by one adult in a single reproductive event or breeding season.20 - 50
Sexual DimorphismObservable physical differences between males and females of the same species (e.g., size, coloration, features).Yes
Lifespan
Sexual MaturityAge at which the individual becomes capable of reproducing for the first time.
1 - 2 Years
Gestation / IncubationDuration from fertilization to birth (mammals) or to hatching (egg-laying species).
1 - 3
Lifespan EstimatedExpected duration of life from birth to natural death under wild conditions.
Males1 - 2 Years
Females1 - 2 Years
Sexual DimorphismPhysical differences in size, coloration, or morphology between males and females of this species.
Males Multi-lang
Presents a slightly wider head and more developed mandibles for territorial competition and defense against other males. Its abdomen is narrower compared to the female.
Females Multi-lang
Possesses a visibly more voluminous and rounded abdomen, necessary to house the load of eggs before oviposition. Her mandibles are functional but less prominent than the male's.
Evolutionary AdaptationsInherited traits and behaviors that improve the species' survival and reproduction in its specific environment. Multi-lang
Adaptation to Xylophagy: The larvae possess hyper-developed mandibles and a digestive system capable of processing cellulose and complex lignin, allowing them to live and feed exclusively within the trunks of living or dying trees.
Aposematic and Structural Coloration: Its metallic sheen not only serves for camouflage among the glossy leaves of the jungle, but also functions as a visual warning to predators, indicating its hardness and unpalatable taste.
Main ThreatsDocumented pressures reducing the population: habitat loss, hunting, disease, climate change, and invasive species. Multi-lang
Loss of host trees: Mass deforestation of mature Ceibas drastically reduces oviposition sites and essential food for larvae.
Light pollution: As insects attracted to light, intense artificial lights in areas near forests can cause disorientation and mass mortality.
Interesting FactsSurprising or notable facts that highlight what makes this species unique or ecologically important. Multi-lang
Wood engineer: Although considered a forest pest in plantations, in the natural forest, the galleries excavated by its larvae facilitate the entry of fungi and other microorganisms that decompose wood, accelerating the ecosystem's nutrient cycle.
Historical collecting: Due to its impressive size and iridescent sheen, this species has been one of the most sought-after specimens by entomologists and collectors since colonial times.