1 THECLA BETULAE MALE (BROWN HAIR STEAK)

2 THECLA QUERCUS FEMALE (PURPLE HAIR STREAK)

3 THECLA QUERCUS MALE

incisione in coloritura coeva / engraving  colored at time, " The Naturalist Library, London, 1860

cm. 16,27 x 10,63  inches 6,40" x 4,18"