Eurytides philolaus
species of insect
Eurytides philolaus, the dark zebra swallowtail or dark kite-swallowtail, is a butterfly of the family Papilionidae. It is found from southern Texas to northern South America.
The wingspan is 90–95 mm.
"Antenna black; the 7. pale green band of the forewing only represented by a spot; hindwing with 2 red spots posteriorly; on the under surface the red line of the hindwing edged with black at both sides, undulate anteriorly. Scent-scales of the male short, broad, irregular, produced in a number of filaments. The female is in 2 forms: female f. philolaus Boisd. similar to the male, the underside paler, female f. niger Eimer (nigrescens Eimer; felicis Fruhst.) the pale green bands of the membrane of the wings scaled with black, the wings therefore black with slight traces of the bands."
Biology
The butterfly is found in low situations, often resting in crowds on the sand at the edge of rivers.
The public source identifies “Eurytides philolaus” as species of insect. This brief keeps that definition visible, then builds a research path around Eurytides, philolaus and species.
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The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Jun 20, 2026. The linked authority identifier is Q7251993. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “Eurytides philolaus” 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.