Poisson (1949a: 59) restored N. angustior as a subspecies of N. maculatus. According to Nieser (in litt.) N. angustior and N. conspersus were described as brachypterous and macropterous forms of the same species.
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Poisson (1949a: 59) restored N. angustior as a subspecies of N. maculatus. According to Nieser (in litt.) N. angustior and N. conspersus were described as brachypterous and macropterous forms of the same species.
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