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The clover stem borer, Languria mozardi Latreille (Coleoptera: Languriidae), is a widespread, native North American beetle (Wildermuth & Gates 1920; Vaurie 1948). The adult feeds primarily on pollen and foliage of its host plant but has been observed feeding on corn silks (Zea mays L.) and wheat heads (Triticum sp. L.) (Wildermuth & Gates 1920). Larvae tunnel inside the stem of host plants, feeding on the pith and softer inner portions of stem. Stem tunnels can be 75 cm in alfalfa, Medicago sativa L. (Wildermuth & Gates 1920). Economic injury to forage crops can result from the tunneling activity of larvae (Wildermuth & Gates 1920) but Folsom (1909) viewed L. mozardi as being of secondary importance, if at all, in clover. Languria mozardi is uni voltine in the Eastern United States and trivoltine in the South-western United States (Wildermuth & Gates 1920). Overwintering is typically as adults under leaf litter and debris, but overwintering of larvae in stems has been reported (Wildermuth & Gates 1920). Larvae mature within the host stem; pupate in the stem, and adults eclose and spend the first 23 d of adult life within the stem (Wildermuth & Gates 1920). Languria mozardi has a wide host range including plants in the families: Asteraceae, Brassicaceae, Campanulaceae, Fabaceae, Malvaceae, Poaceae, and Urticaceae (Folsom 1909; Wildermuth & Gates 1920; Vaurie 1948; Ward et al. 2007). Vaurie (1948) reported a dead adult in the erect stem of a soybean in South Carolina in Nov (no year or date mentioned), but did not list soybean as a larval host plant. Below we present documentation of L. mozardi utilizing soybean, Glycine max (L.) Merr. as a host plant. During soybean stem dissection to detect Dectes texanus LeConte in Tennessee, Missouri, and Arkansas, we found L. mozardi within stems (Table 1). The larva and pupae were reared to adulthood and adults are housed as specimens in the University of Missouri Delta Research Center collection with the exception of record 1 which was documented photographically (Fig. 1). Vaurie (1948) was used to key all adult specimens to L. mozardi.

Clover Stem Borer,Languria mozardi(Coleoptera: Languriidae), on Soybeans,Glycine max: A New Host Record