An annotated list of the Orthoptera (Insecta) species described by Henri de Saussure, with an account of the primary type material housed in the Muséum d’histoire naturelle de Genève, Part 4: The Acridomorpha excluding the superfamily Acridoidea Author Hollier, John text Revue suisse de Zoologie 2013 2013-06-30 120 2 203 219 journal article 10.5281/zenodo.5828675 0035-418X 5828675 mexicanum Saussure, 1859: 390-391 [ Ichthydion ]. Mexico calida. Unspecified number of Ƌ and ♀ . Lectotype Ƌ (designated by Kevan, Singh & Akbar, 1964: 263 ) with labels: “Ichthidion mexicanum Sss. , 13 Ƌ” [handwritten on bluish paper]; “Ichthydion mexicanum Sauss. ” [handwritten on green paper]; “Ichthidion [sic] mexicanum Sss , LEC- TOTYPE, Det. D.K.McE. Kevan, 19561” [handwritten on white card with “ Det. D.K. McE. Kevan, 195” printed]. The species name label in the insect box has the locality “ Mexique ” handwritten in the lower left corner. Specimen lacks the left antenna, two tarsal segments of the left front leg, part of the tibia and the tarsi of the right front leg, part of the tibia and the tarsi of the right middle leg and the left hind leg. There are also two Ƌ and three ♀ paralectotypes . Images on OSF . Box X 6. Ichthyotettix mexicanus ( Saussure, 1859 ) .