Rozlišovací znaky nymf Cymatia coleoptrata (Heteroptera: Corixidae)

Abstrakt: The differential characters (size, pigmentation, posteroapical comb of hind tibia, claws of hind tarsus, ratio between lengths of wing pads) of the nymphal stages of Cymatia coleoptrata are presented. Some morphometrical characters for all stages of nymphs of the tirst and second generations and the key of nymphal stages are given. Nymphs of the second generation are smaller than nymphs of the first generation (P = 0.95).

Klíčová slova: Morphology of nymphs, diagnostic characters, key of nymphal stages