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Article
Published: 2017-10-19

Studies in Mexican Grasshoppers: Three new species of Dactylotini (Acrididae: Melanoplinae) from Mexico and a review of existing conspecifics with comments on their geographical distributions

Fondazione Edmund Mach - Centro Trasferimento Tecnologico – Protezione delle piante e biodiversità agroforestale, Via della Val, 2- Loc. Costa di Casalino, I-38057 Pergine Valsugana, Italy.
Department of Entomology, Texas A&M University, Minnie Belle Heep Center, Room 412 Campus MS 2475, College Station, TX 77843-2475, U.S.A.
Laboratorio de Ecología, UBIPRO, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México (UNAM), A.P. 314, Tlalnepantla, 54090 México, México.
USDA: APHIS, PPQ, CPHST – Phoenix Lab, 3645 E. Persimmon Ave., Phoenix, AZ 85040-2931, U.S.A.
Orthoptera Acrididae Melanoplinae Dactylotini Perixerus Dasyscirtus

Abstract

Three new species of the tribe Dactylotini (Acrididae: Melanoplinae) are described from Central and Southern Mexico. 1) Dasyscirtus monicae sp. nov. Fontana, Mariño-Pérez, Sanabria-Urbán, & Woller is described from the eastern portion of the Balsas River Basin and the outer slope of the Mexican Volcanic Belt; 2) Perixerus obscurus sp. nov. Fontana, Mariño-Pérez, Sanabria-Urbán, & Woller is described from the Sierra Norte de Oaxaca mountain range; and 3), Perixerus triqui sp. nov. Fontana, Mariño-Pérez, Sanabria-Urbán, & Woller is described from the Sierra Madre del Sur mountain range and towards the Pacific Coast of Oaxaca. Taxonomic placement of these species is justified based on distinct morphology and comparisons with congeneric species are provided. Finally, we provide a biogeographical explanation for the distribution of the species in both genera.

 

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