Thalera is a genus of moths in the family Geometridae erected by Jacob Hübner in 1823.
Description Palpi minute and hardly reaching beyond the frons. Antennae of male bipectinate (comb like on both sides) usually to apex. Forewings with vein 3 from near angle of cell. Veins 7, 8, 9 and 10 stalked and vein 11 anastomosing (fusing) with vein 12 and then with vein 10. Hindwings with frenulum absent. The outer margin angled at vein 4. Veins 6 and 7 absent.
Species Thalera aeruginata Warren, 1893 Thalera chosensis Bryk, 1948 Thalera chlorosaria Graeser, 1890 Thalera fimbrialis Scopoli, 1763 - Sussex emerald Thalera lacerataria Graeser, 1888 Thalera pistasciaria (Guenée, 1857) Thalera prouti Thierry-Mieg, 1913 Thalera rubrifimbria Inoue, 1990 Thalera suavis (Swinhoe, 1902)
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