Example of a set of images used for the identification exercise: plate MLS_A_01 used for female identification (A) and magnification showing discriminating characters (boxed in blue) such as pale scales on maxillary palpus (B), wings spotted with dark scales (C), hind leg with a large median pale band on tarsomere 1 (D), presence of prespiracular setae (E), scutum without discriminating character (F) and apical half of abdominal terga without pale scales (G). This set of characters is typical of Culiseta annulata.