Specimens reported from Canary Islands (Dolling, 1979b) were mislabelled and in fact were collected in Cape Verde Islands (Dolling, 1986: 206). Both Clavigralla elongata Signoret, 1861 and Clavigralla flavipennis Signoret, 1861 were synonymized with Syromaster horridus Germar, 1838 in the sense of Herrich-Schaeffer, 1851 by Stål (1865a: 108).
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