title: Two new species of Thraulodes Ulmer, 1920 (Ephemeroptera: Leptophlebiidae: Atalophlebiinae) from Southeast Brazil.
abstract: Two new species of Thraulodes Ulmer, 1920 are described from Rio de Janeiro and São Paulo, Southeastern Brazil, based on male and female imagos. Thraulodes luisae sp. nov. differs from all other species of the genus by the short and wide penes spines, turning up to apex; triangular shape of styliger plate with median projection abrupt and short with rounded apex; abdominal and legs color pattern; and presence of 2-3 weakly marked cross veins basal to bullae. Thraulodes pinga sp. nov. differs from all other species of the genus by the wide shape of styliger plate with median projection short with wide base and truncated apex; abdominal and legs color pattern; and presence of 1 weakly marked cross vein basal to bullae.
authors.affiliation: Universidade Federal do Rio de Janeiro (UFRJ), Instituto de Biologia, Departamento de Zoologia, Laboratório de Entomologia, Caixa Postal 68044, Cidade Universitária, 21941-971, Rio de Janeiro, RJ, Brasil.; Email: ticapoua@gmail.com.
authors.forename: Paula Malaquias
authors.initials: PM
authors.lastname: Souto
authors.affiliation: Laboratório de Insetos Aquáticos, Departamento de Zoologia, Instituto de Biociências, Universidade Federal do Estado do Rio de Janeiro, 22290-240, Rio de Janeiro, RJ, Brasil.; Email: elidiomar@yahoo.com.br.
authors.forename: Elidiomar Ribeiro
authors.initials: ER
authors.lastname: Da-Silva
authors.affiliation: Universidade Federal do Rio de Janeiro (UFRJ), Instituto de Biologia, Departamento de Zoologia, Laboratório de Entomologia, Caixa Postal 68044, Cidade Universitária, 21941-971, Rio de Janeiro, RJ, Brasil.; Email: jnessimian@gmail.com.
authors.forename: Jorge Luiz
authors.initials: JL
authors.lastname: Nessimian
mesh_terms: D000818:Animals; D001938:Brazil; D003710:Demography; D005260:Female; D007313:Insecta / Q000033:anatomy & histology* / Q000145:classification* / Q000502:physiology; D008297:Male; D013045:Species Specificity