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Only one species, G. californicus (Lacordaire), occurs in North America, in the southwestern United States (Branham 1993). Adults and larvae feed on a wide variety of wood rotting fungi. Its large larvae are covered with long scoli and graze the surface of fungi on dead wood. Larvae are illustrated in Lawrence (1991) and Peterson (1951). Roberts (1958) discusses larval characters. Larval habits and pupae are described by Graves (1965). Back to Key Back to Introduction |