"Labb\u00E9, 1931" . "Thecacera pennigera var. nigrescens" . "1040512" . . . "Thecacera pennigera var. nigrescens" . . "Thecacera pennigera var. nigrescens" . . . . . "Thecacera pennigera var. nigrescens Labb\u00E9, 1931" .