Aethionema pieride – definition and explanations – Techno Sciencenet

Aethionema pieride – definition and explanations –


Aethionema Pierides
    Pieris answered
Great familyPapilionoidea
Binomial name (In taxonomy (botany, zoology, etc.), the binomial name or binomial comes from…)
Pieris answered
(Geyer, 1828)

There Aethionema Pierides (Pieris ergane) is a lepidopteran insect in the family Pieridae, the subfamily Pierinae and the genus Pieris.

This butterfly belongs to the Red List (we speak of “red list” to denote a list containing…) of insects of metropolitan France (Métropolitan France, sometimes abbreviated as Metropolis, is in common usage…) ( 1994).


Pieris ergane (Geyer, 1828)


  • Pieris ergane detersa (Verity, 1911) in the mountains of Armenia and the Caucasus
  • Pieris ergane elbursina (Bytinski salt, 1937)

Colloquial names

The æthionema is called Mountain Small White in English, Blanca escasa in Spanish and Wedewitje in Dutch.


Flight time and wintering

The æthionema pieridae has two generations per year in the Alps (three generations in the Pyrenees). The butterfly is present from April to August. It overwinters in the pupal stage (in holometabolous insects (e.g. butterflies and bees) that carry out…).

host plants

The host plants are Brassicaceae. The caterpillars can be found on a Brassicaceae called Rock Aethionema (Aethionema saxatile) from April to September.


It is a white butterfly (White is the color of a body heated to about 5,000 ° C (see…) with a yellow underside (There are (at least) five definitions of yellow that denote approximately the same thing…) light Ocher.

The underside of the yellow hindwing has evenly distributed dark scales. The length (the length of an object is the distance between its two extreme ends…) of the forewing of the Aethionema pierid varies between 19 and 24 mm. The butterfly has a predominantly whitish color. The upper surface of the forewing has a gray, square spot at the tip. The underside of the forewing is black, free of any markings or spots (graphics). A few dark scales are scattered on the underside of the hind wings of specimens of the first generation of the year.

Caterpillar and pupa

Its eggs are laid individually. The caterpillar is green with black dots surrounded by yellow on the sides.

Ecology and distribution

The Aethionema Pieris occurs in southern Europe and the West (L The West is a cardinal point opposite the East. It is the direction in which…) Asia (Asia is one of the five continents or part of the supercontinents) before Eurasia or Afro-Eurasia the …) in isolated colonies. In France it occurs in Hautes-Alpes, Drôme, Isère, Pyrénées-Orientales and Aude. In Europe, the butterfly is also found in the eastern part of Spain, Italy, the Balkans and Bulgaria. In Asia it occurs from Turkey to north of Iran.


The butterfly relies on grassy rocky slopes and hot stone slopes between 1,000 and 2,200 meters above sea level (elevation is the vertical height of a place or object relative to a plane…).


The Aethionema moth is included in the red list of insects in mainland France (1994).