Costa Rica Species
Adelpha fessonia
AnimaliaHighest rank in taxonomy. Groups all life into domains: Animalia, Plantae, Fungi, etc.IUCN NEInternational Union for Conservation of Nature — the world authority on species extinction risk, using standardized criteria. — Not Evaluated — not yet assessed against the IUCN Red List criteria.DraftCurrent stage of this record in the editorial review workflow. Recent Sighting

Adelpha fessonia

Band-celled Sister

(Hewitson, 1847)

Detailed Texts Multi-lang
A medium-sized butterfly with dark brown wings crossed by a conspicuous white or pale yellow band, and distinctive orange-brown patches at the wing tips.

Added by

Anonymous Curator

Reviewed by

Under Review

Last modified by

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).Lepidoptera
FamilyRank below Order. Groups closely related genera (e.g., Felidae = cats, Canidae = dogs).Nymphalidae
GenusRank just above Species. The first word in the two-part binomial scientific name.Adelpha
Taxonomic AuthorityThe scientist who first formally described and published this species, followed by the year of publication.(Hewitson, 1847)
Record Completeness
95%
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

Prefers forest edges, semi-open habitats, and secondary growth areas from Mexico to South America.

BehaviourDaily activity patterns, movement, territory use, foraging style, and seasonal behavioral changes. Multi-lang

Active during the day; males are territorial and often perch in sunny spots to watch for females.

Social ActivitySocial structure: whether the species is solitary, paired, or colonial; hierarchy and communication. Multi-lang

Solitary behavior, primarily interacting during mating or territorial disputes.

Feeding GuildWhat the species eats, how it forages or hunts, and its role as a consumer in the food web. Multi-lang

Frugivore/Saprophage.

Trophic Chain DetailsSpecific interactions in local food webs: prey species, predators, competitors, and scavengers. Multi-lang

Adults feed on rotting fruit and sap; larvae utilize host plants from the Rubiaceae family.

Reproductive BehaviourMating strategies, courtship displays, nesting or spawning behavior, and parental care. Multi-lang

Eggs are laid singly on the leaves of host plants.

Physical Measures

Length (cm)

5.0 - 6.5 cm

Weight (Grams)

0.3 g - 0.8 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 - 40
Sexual DimorphismObservable physical differences between males and females of the same species (e.g., size, coloration, features).No

Lifespan

Sexual MaturityAge at which the individual becomes capable of reproducing for the first time.

2 - 3 Weeks

Gestation / IncubationDuration from fertilization to birth (mammals) or to hatching (egg-laying species).

7 - 10

Lifespan EstimatedExpected duration of life from birth to natural death under wild conditions.
Males2 - 4 Months
Females2 - 4 Months

Evolutionary AdaptationsInherited traits and behaviors that improve the species' survival and reproduction in its specific environment. Multi-lang

The pattern of bands helps to disrupt the butterfly's outline when resting, making it harder for predators to detect.

Main ThreatsDocumented pressures reducing the population: habitat loss, hunting, disease, climate change, and invasive species. Multi-lang

Habitat loss due to the expansion of agricultural activities and urban development.

Interesting FactsSurprising or notable facts that highlight what makes this species unique or ecologically important. Multi-lang

Adelpha species are often referred to as 'Sisters' because of the characteristic white bands they share, which resemble a uniform.