Date of this Version
The alticine genera Hemiphrynus Horn 1889 and Phrynocepha Baly 1861 (Coleoptera: Chrysomelidae) are reviewed and their status clarified. Both genera and all previously known species are redescribed. Four new species of Hemiphrynus are described: H. barri, H. corrugatus, H. smithi, and H. sydneyae. Six new species of Phrynocepha are described: P. australis, P. kendrae, P. marciae, P. natalieae, P. pseudocapitata, and P. pueblae. The following new combination is proposed: Hemiphrynus elongatus (Jacoby 1884) transferred from Phrynocepha. Hemiphrynus sulcatipennis Jacoby 1891 and H. tenuicornis Jacoby 1891 are reinstated in Hemiphrynus, incertae sedis. Hemiphrynus elongatus is recorded from New Mexico, a new record for the United States. Lectotypes are here designated for the following species: H. elongatus, H. intermedius (Jacoby 1884), H. sulcatipennis, H. tenuicornis, P. capitata Jacoby 1884, P. deyrollei Baly 1876, and P. pulchella Baly 1861. A key to differentiate the two genera and keys to the species in both genera are provided. Host records are given for a few species of both Hemiphrynus and Phrynocepha. Distribution maps are presented for all species.