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Published online by Cambridge University Press: 31 May 2012
Acanthoscelides mucrofer new species is described from Texas and A. helianthemum new species from Florida and Georgia. These are compared with A. tenuis Bottimer and A. atomus (Fall), respectively. Photographs of the four species are included. A. helianthemum had been previously reported from Florida under the name Bruchus compressicornis Schaeffer. The host plant of A. mucrofer is unknown. The following rearing records are reported: A. tenuis from Lythrum alatum and L. lineare; A. helianthemum from Helianthemum corymbosum; A. atomus from Lechea tenuifolia and L. racemulosa; and A. compressicornis from Desmanthus virgatus.