A new species and five new records of chewing lice (Insecta: Phthiraptera: Ischnocera) from an isolated population of the solitary tinamou Tinamus solitarius (Aves: Tinamiformes) Author Valim, Michel P. Author Silveira, Luís F. text Zootaxa 2014 3838 1 127 142 journal article 10.11646/zootaxa.3838.1.8 960cbee4-d355-4db7-b441-42e8e6143ba6 1175-5326 231211 E5B7BE11-CC19-440A-9152-AACE16B4F041 Key to species of Heptagoniodes (adult males only) (updated from Guimarães 1948 ) 1 Head with anterior margin of temples sharply pointed ( Fig. 4 ); mesosomal plate with lateral projections ( Figs 10, 12 )...... 2 - Head with anterior margin of temples rounded ( Fig. 3 ); mesosomal plate without lateral projections ( Fig. 11 )............. 4 2 Genitalia with mesosome as in Fig. 12 ................................................ H. guimaraesi Valim n. sp. - Genitalia with mesosome as in Fig. 10..................................................................... 3 3 Total length < 2.50 mm ; mesosomal plate short ( 0.18 mm )............................. H. dimorphus Carriker, 1944 - Total length> 2.60 mm ; mesosomal plate long ( 0.30 mm )....................... H. agonus (Nitzsch [in Giebel], 1866) 4 Post-ocular emargination very shallow, less pronounced; temples truncated. Mesosome as a sclerotized, tubular structure (see Plate XXX, figs 3, 3a, in Carriker, 1936 )............................................. H. mirabilis Carriker, 1936 - Post-ocular emargination deep, well pronounced ( Fig. 3 ); temples nearly rounded ( Fig. 3 ). Mesosome as a non-sclerotized, rugose, tubular structure ( Fig. 11 )............................................ H. clayae Guimarães & Lane, 1937