Two new species of Lepidocyrtus (Fractocyrtus) Cipola & Bellini (Collembola Entomobryidae, Lepidocyrtinae), with new records and a new name for Lepidocyrtus (F.) americanus Cipola & Bellini, 2018 Author Cipola, Nikolas Gioia 0000-0002-7594-9574 Laboratório de Sistemática e Ecologia de Invertebrados do Solo, Instituto Nacional de Pesquisas da Amazônia - INPA, CPEN. Avenida André Araújo, 2936, Aleixo, 69067 - 375, Manaus, AM, Brazil. & Corresponding Author: Nikolas Gioia Cipola: nikolasgc @ gmail. com; https: // orcid. org / 0000 - 0002 - 7594 - 9574 nikolasgc@gmail.com Author Viana, Stéphanie Dos Santos Laboratório de Sistemática e Ecologia de Invertebrados do Solo, Instituto Nacional de Pesquisas da Amazônia - INPA, CPEN. Avenida André Araújo, 2936, Aleixo, 69067 - 375, Manaus, AM, Brazil. text Zootaxa 2023 2023-11-10 5369 3 369 399 https://www.mapress.com/zt/article/download/zootaxa.5369.3.3/52248 journal article 10.11646/zootaxa.5369.3.3 1175-5326 10151336 B16AF2B9-ADB0-4FA3-BA52-838560C328F5 Key to Lepidocyrtus ( Fractocyrtus ) species 1 Ant III sense organ finger-shape ( Fig. 14A ); interocular chaetotaxy with 2 scales and 3 chaetae ( Fig. 14B ); postlabial chaetotaxy with 1 or 2 spines ( Fig. 14E ); trochanteral organ with about 28 spine-like chaetae ( Fig. 18D ); Brazil ............... 2 - Ant III sense organ clubbed-shape ( Fig. 7A ); interocular chaetotaxy with 5 ciliate chaetae ( Fig. 7B ); postlabial chaetotaxy with 3 spines ( Fig. 7E ); trochanteral organ with about 34 spine-like chaetae ( Fig. 11D ); Colombia ......................... 3 2 Head depigmented, or if present, weakly on the side (Fig. 2); head An series with 11 mac and A series with 1 extra mac; collophore posteriorly with 19–28 chaetae and lateral flap with 7 ciliate chaetae; Central Amazon from Brazil ( Fig. 19 )........................................................................ L. ( Fractocyrtus ) amazonaensis nom. nov. - Head anteriorly and laterally pigmented ( Fig. 13 ); head An series with 15–16 mac and A series with 2 extra mac ( Fig. 14B ); collophore posteriorly with 43 chaetae and lateral flap with 8–11 ciliate chaetae ( Fig. 18E ); Occidental Amazon ( Fig. 19 )....................................................................... L. ( Fractocyrtus ) chicomendesi sp. nov. 3 Body depigmented, if present, only on Th II laterally and coxae ( Fig. 6 ); head An series with 14–15 mac ( Fig. 7B ); cephalic groove with 7 chaetae ( Fig. 7E ); Abd III with 5 lateral mac and 27 chaetae on lateral tuft ( Fig. 9A ); collophore anteriorly with 34 chaetae, posteriorly with 36 chaetae and lateral flap with 18 ciliate and 8 smooth chaetae ( Fig. 12A ); Colombian Andes ( Fig. 19 ).................................................................... L. ( Fractocyrtus ) andensis sp. nov. - Head, Th II to Abd III completely pigmented; head An series with 13 mac; cephalic groove with 5 chaetae; Abd III with 3 lateral mac and 9 chaetae on lateral tuft; collophore anteriorly with 25 chaetae, posteriorly with 43 chaetae and lateral flap with 12 ciliate and 15 smooth chaetae; Colombian Amazon ( Fig. 19 )............................................................................................. L. ( Fractocyrtus ) mateosi Cipola & Bellini, 2018 (in Cipola et al. 2018b )