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Euchloe ausonia / Eastern Dappled White
Ausonja
Pieridae - Pierinae
Euchloe ausonia (Hübner, 1804) TL: Italy.
 
 
1a. Euchloe ausonia, distribution map.  Historical data ;  Additional data from the 2018 update ;  New observations since the 2018 update.
1b. Euchloe ausonia ♂ underside. Greece (© Sylvain Cuvelier)
1c. Euchloe ausonia ♂ underside. Greece (© Sylvain Cuvelier)
1d. Euchloe ausonia ♂ upperside. Greece (© Sylvain Cuvelier)
Description
♂♂
Medium size butterfly. Fw: 20-24 mm.
Ups: white gc.
Upf: narrow black discal spot, dark shaded near the costa.
Unf: white centered discal spot, apex green markings present.
Unh: extensive green, slightly yellow powdered, markings.
♀♀
Slightyly larger.
Upf: discal spot larger.
Uph: faint yellowish gc.
Similar species
Life cycle
Adults: two generations (second partial) from March to June.
Egg: short stage.
Caterpillar: short stage.
Pupa: overwintering.
Habitat
Euchloe ausonia inhabits open, dry areas with abundant flowers, often near agricultural land from lowland up to 1300 m a.s.l.
Spatial requirment moderate to high, population density rarely high, nomadic.
Foodplants
Caterpillars feed on different Brassicaceae: Aethionema saxatile, Biscutella laevigata, Brassica nigra, Bunias erucago, Iberis sempervirens, Sinapis sp. and Sisymbrium sp.
Butterflies feed on a large variety of flowers.
Distribution
Albania: widespread.
Balkan: AL - BG - BIH - GR - HR - NMK - MNE - RKS - RO - SLO - SRB
Europe: IB - IT - ALP - BAL - NWE - UK - SCA - EEU*
Asia Minor, Near East, Transcaucasia, Caucasus and further east.
Conservation status
Euchloe ausonia is not endangered.
Albanian Red List: NE.
IUCN Red List, category at the Mediterranean level: LC.
Useful links
Euroleps
Pyrgus.de
Lepiforum
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continuous small white sm markings.
white line in discal spot.
rounded outer margin.
pale olive green gc.
elongated white marginal markings.