Arhopala eridanus
species of insect

Arhopala eridanus is a butterfly in the family Lycaenidae. It was described by Cajetan Felder in 1860. It is found in the Indomalayan realm.
Description
A. eridanus Fldr.is not dissimilar to camdeo, but much smaller. In the male the brightening in the disc of the forewing is not white, but only somewhat lighter sky-blue. Beneath the postmedian bands are broken up into single contiguous rings. ab. dilutior Stgr.,[now subspecies] from Palawan, has in the female a somewhat larger light area in the disc of the forewing, but the male is said not to differ from Amboina males The species varies in the colouring beneath being sometimes more red brown and sometimes more dark brown, whereas the marking remains constant.
Subspecies
A. e. eridanus (Ambon, Serang)
A. e.
“Arhopala eridanus” enters the record as species of insect. Crown Archives preserves that source wording while asking what Arhopala, eridanus and species can confirm, complicate or overturn.
Why this record matters
“Arhopala eridanus” is worth following because a concise public description often conceals a longer documentary argument. Here, Arhopala, eridanus and species provides the most credible route into that argument.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Jul 27, 2026. The linked authority identifier is Q21238058. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1860.
A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.
- Current terminology
- Classification context
- Finding cited technical literature
Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.
Three-step research path
- Establish the record: confirm the title “Arhopala eridanus”, its source revision and the description used here.
- Expand the search: follow Arhopala eridanus primary sources, Arhopala eridanus archive and Arhopala research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Arhopala eridanus”?
- Which observation, specimen, dataset or publication supports the account?
- Has classification or technical consensus changed since the cited source?
Search terms from this dossier
This entry incorporates text from “Arhopala eridanus” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.