Analysis of male Leptagrion Selys, 1876 sensu lato (Odonata: Coenagrionidae) with description of four new genera and a new species Author Lencioni, F. A. A. Private researcher, Rua Anibal, 216 - Jd. Coleginho, Vila Zezé, Jacareí, CEP (ZIP) 12310 - 780, São Paulo. Brazil. text Zootaxa 2022 2022-03-02 5105 1 63 104 journal article 20367 10.11646/zootaxa.5105.1.3 16f0d04d-e6ef-4eba-8bb3-9c5ebd3f778f 1175-5326 6332331 8B30E589-CEFC-415B-9505-EAE71C204E61 Kiautagrion acutum ( Santos, 1961 ) comb. nov. Fig. 67 (app), Fig. 68 (prothorax), Fig. 69 (penis), Fig. 70 (habitus). Etymology : acutum = Latin for acute. Santos 1961: 359 , Figs. 1–4 (description of male, illustration of appendages in lateral and dorsal views, prothorax in dorsal view, pterostigma of forewing); Kennedy 1919 : Figs. 1074–1075 (illustration of penis in lateral and ectal views (as sp.)); Davies & Tobin 1984: 82 (data on publication and distribution); Bridges 1994 : (VII) 03 (data on publication, type depository, type locality and references); Costa & Garrison 2001: 382 , Figs. 2a, 2c , 23, 23b (distribution, key to Brazilian Leptagrion , illustration of male pterostigma, appendages in lateral and dorsal views); Machado & Costa 1990: 301 (data on publication and distribution); Costa & Mascarenhas 1998: 6 (data on types ); Lencioni 2006: 140 , Figs. 81A–D (illustration of appendages in lateral and dorsal views, male prothorax in dorsal view, penis in lateral and ectal views, male pterostigma); Garrison et al. 2010: 264 (data on species); Lencioni 2017a: 209 , Figs. 209A–E (data on description, type locality, type deposition, distribution, and larval description, illustration appendages in lateral and dorsal views, penis in lateral and ectal views, male prothorax in lateral and dorsal views); Furieri et al. 2020: 346 , Figs. 1a–e , 2a–e (additions to the description of the male, description of female, habitus of male and female, thorax in lateral and dorsal views of male and female, male appendages in lateral and ventral views, female S 8–10 in lateral and dorsal views). FIGURE E. Kiautagrion : 1—Appendages, lateral view; 2—Appendages, dorsal view; 3—Head, posterior view; 4—Penis, lateral and ectal views (S3—segment 3, TF—terminal fold, IF—internal fold, FL—flagellum). FIGURE 67. Kiautagrion acutum : A—Appendages, lateral view, B—Appendages, dorsal view. Deposition of type series. Holotype in MNRJ (not examined—destroyed by fire on 2.ix.2018 ). Larva described. No. Material examined. ( 1 ♂ ): Brazil : Espírito Santo , Conceição da Barra (Rebio Córrego Grande (mata de tabuleiro)), 18º15’53.9”S & 39º49’05.7”W , 16.ii.2005 , K.S. Furieri & R.R. Silva leg. Distribution . Brazil ( Espirito Santo ).