FIGURES 18–34 in Clarification of taxonomic status of Pseudochorthippus geminus (Mistshenko, 1951) (Orthoptera: Acrididae: Gomphocerinae) based on male calling song analysis

FIGURES 18–34. Oscillograms of male songs of Pseudochorthippus geminus (18–29) and P. parallelus (30–34). 18, 20–21, 27―males from the environs of Alatau, Kazakhstan, 19, 22–26, 28–29―males from the environs of Tokmak, Kyrgyzstan, 30–31, 33―male from the Lepsy River, southeastern Kazakhstan, 32, 34―male from Karatau, southern Kazakhstan. Faster oscillograms of the parts of signals indicated as "20", "22–24", "27–29", "31", and "33–34" are given under the same numbers.