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Pieris ergane / Mountain Small White
Bardhosja e vogël e lartësive
Pieridae - Pierinae
Pieris ergane (Geyer, 1828) TL: Ragusa.
 
 
 
1a. Pieris ergane, distribution map.  Historical data ;  Additional data from the 2018 update ;  New observations since the 2018 update.
1b. Pieris ergane ♂ underside. Greece (© Sylvain Cuvelier)
1c. Habitat of Pieris ergane. Mali i Tomorit, Albania (© Sylvain Cuvelier)
1d. Pieris ergane ♂ upperside. Greece (© Sylvain Cuvelier)
1e. Pieris ergane ♂ underside. Greece (© Sylvain Cuvelier)
1f. Pieris ergane ♀ underside. Bulgaria (© Sylvain Cuvelier)
Description
♂♂
Small to medium size. Fw: 19-23 mm. The smallest Pieris.
Ups: white gc.
Upf: predominantly grey, square apical mark, faint or absent postdiscal spot in s3.
Uph: often no small grey mark on costa in s6.
Unf: yellowish apical area, no dark spot (pattern from ups may show through)
Unh: yellowish, lightly grey dusted.
♀♀
Similar size.
Ups: sometimes with a pale yellowish gc on uph.
Upf: larger grey, square apical mark,two postdiscal spots (very marked in summer generations)
Unh: costal spot in s6.
Similar species
Life cycle
Adults: two or three generation from April to August.
Egg: probably short stage.
Caterpillar: probably short stage.
Pupa: overwintering.
Habitat
Pieris ergane inhabits dry, hot rocky places with scattered bushes from lowland up to 1800 m a.s.l.
Spatial requirment moderate, population density can be high.
Foodplants
Caterpillars feed on Aethionema sp., often Aethionema saxatile, also on Isatis tinctoria.
Butterflies feed on a large variety of flowers.
Distribution
Albania: widespread in the mountains.
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 and further east.
Conservation status
Pieris ergane is not endangered.
Albanian Red List: NE.
IUCN Red List, category at the Mediterranean level: LC.
Useful links
Pyrgus.de
Lepiforum
Euroleps
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distinctly larger.
apical border reaching v3 or lower.
extensive black border, pointed apex.
no spot in s3.
two strong, intense black spots.
powdered with dark scales.
concave or flat outer margin of spot in s3.
small black lines on veins to the margin.
triangular black apical spot.
black spot in s3.
grey apical patch.
two strong, intense black spots.
strongly black dusted internal margin.