Šetrajev's little swindler

Šetrajev sleparček (Pseudophilotes vicrama) na rastlini.

Wingspan: 19–24 mm
Flight period of butterflies: in two generations from April to June and from July to August
Larval host plants: species from the genera Satureja and Thymus
 
Šetrajev sleparček (Pseudophilotes vicrama) is a small blue butterfly that has a dark spot in the middle of the upperside of the forewings. The male's wings are on the upperside light blue. On the outer margin of the forewings the male has an almost black band that becomes narrower toward the trailing edge of the wings; on the trailing edge of the hindwings the black spots are clearly distinct. The female's wings are on the upperside black-brown, with a blue sheen near the body. The undersides of the wings are gray, with a blue sheen along the body. Along the outer margin of the wings there is a row of five bright orange spots that do not touch each other.

It lives in dry and warm areas. It is suited to shrub-covered slopes, karst pastures, and dry meadows, where its larval host plants grow. For the caterpillars of the šetrajev sleparček and other species of this genus, some species of ants that feed on the sugary secretions of the caterpillars tend them. In the Red List of endangered butterflies of Slovenia, the šetrajev sleparček is listed as a vulnerable species.