Campsurus fapero Lima, Nascimento, Luiza-Andrade, Miranda, Lima, Almeida, Hamada & Cruz, 2025, sp. nov.
Creators: name: De Lima, Claudia R. T.
name: Nascimento, Stênio R. S.
name: Luiza-Andrade, Ana
name: Miranda, Margarida Vilaça
name: Lima, Lucas R. C.
name: Almeida, Marciaandreia De Gois
name: Hamada, Neusa
name: Cruz, Paulo Vilela
Publisher: name: Zenodo
Year: 2025
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Ephemeroptera
Polymitarcyidae
Campsurus
Campsurus fapero

description: Campsurus fapero sp. nov. De Lima, Cruz & Hamada
(Figures 2A–J; 3A–D; 4A–E)
Type Material. Holotype: male imago (INPA) from Brazil, Rondônia, Rolim de Moura, 192 waterfall, road 192 south, crossing pasture, S11°50’34.8”, W061°42’50.3”, 15.viii.2022, C. R. T. De Lima, S. Nascimento, P. V. Cruz cols. Paratypes: 66 male imagos, 3 female imagoes (33 at INPA, 36 at ENT-UNIR), same data as holotype; 11 male imagoes, Colorado D’oeste, Cabixi River, border with Mato Grosso state, S13°15’32.9”, W060°20’03.7”, 19.viii.2022, C. R. T. De Lima, S. Nascimento, P. V. Cruz cols.; one male imago (INPA), Urupá, Urupá River, crossing pasture, S11°02’07.8”, W062°08’41.5”, 23.viii.2022, C. R. T. De Lima, S. Nascimento, P. V. Cruz cols.
Diagnosis. Male imago: 1) sternum IX with posterior margin straight to slightly convex (Figs. 2C, D and G); 2) pedestals distinctly separated in the middle; inner projection short and rounded; outer projection slightly longer and slender (Figs. 2C, E and G, 3A); 3) base of each penis triangular (Figs. 2C, D, F and G); 4) main lobe of penis sclerotized, arising from the center of the base, slightly curved ventrally; apex of penis flat with small projection facing outwards (Figs. 2H, 3B and D); 5) secondary lobe membranous, detached basally from the main lobe, arising from the outer margin (Figs. 2C, F and G). Female imago: 6) sternum VIII with a pair of short sockets fused on posterior margin; pair parallel, tapering towards the anterior margin with pointed apex (Figs. 4B–E).
Description. Male imago. Length (n=10, mm): body, 8.0–8.9; fore wing, 7.9–8.3; hind wing, 3.5–3.9; cerci, 20.1–21.1. General coloration yellowish with grey areas (Fig. 2A). Head yellowish, shaded with black among ocelli; shaded slightly more diffuse on occipute, with medial pale mark; antennae shaded with gray (Fig. 2A). Thorax. Pronotum yellowish, lightly shaded with black; meso and metanotum yellowish, sutures blackish, parapsidal suture and area between posteroscutal protuberances shaded with black; prosternum yellowish; meso and metastenum yellowish; mesofurcasternum shaded with gray; mesofurcasternum plate shaded, with inner margin parallel (Figs. 2A and B). Legs. Fore, middle and hind legs whitish shaded with gray. Wings. Fore wing with membrane hyaline, opaque on C, Sc and R areas; veins Sc and R light brown in the basal 1/3; other veins whitish; cross veins whitish; IMP1 connected directly to MP; ICuA1 connected directly to ICuA2. Hind wing with whitish veins. Abdomen. Whitish, shaded with gray on terga I and II, III–VII, VIII–X darker (Fig. 2A). Abdominal sternum I yellowish shaded with gray, sterna II–VII whitish shaded with gray, sternum VIII darker, sternum IX shaded with gray (Fig. 2B). Genitalia. Sternum IX with posterior margin straight to slightly convex (Figs. 2C, D and G); pedestals distinctly separated in the middle; inner projection short and rounded; outer projection slightly longer and slender (Figs. 2C and G, 3A); forceps whitish; base of each penis triangular; main lobe of penis sclerotized, arising from the center of the base, slightly curved ventrally, apex of penis flat with small projection facing outwards; secondary lobe membranous, cylindrical, with rounded apex, detached basally from the main lobe, arising from the outer margin (Figs. 2C–H, 3A–D). Subquadrate paraproct, large and protruding (Figs. 2I and J). Caudal Filaments whitish translucent.
Female imago (Figs. 4A–E). Length (n=3, mm): body, 9.2–9.9; fore wing, 9.9–10.1; hind wing, 4.1–4.5; cerci, 3.2–3.4. Wings hyaline, with whitish veins. Color pattern similar to male, except for fore wing with C, Sc and R veins light brown in the basal 2/3, tergites and sternites with less marked spots and not connected medially in all segments; sternum VIII with a pair of short sockets fused on posterior margin, pair parallel, tapering towards the anterior margin with pointed apex (Figs. 4B–D). Caudal filaments translucent whitish.
Etymology. The name is a tribute to the Fundação Rondônia de Amparo ao Desenvolvimento das Ações Científicas e Tecnológicas e à Pesquisa no Estado de Rondônia (FAPERO), for providing opportunities and promoting Science in Rondônia. Noun in apposition.
Distribution. Rondônia — Brazil.
description: Published as part of De Lima, Claudia R. T., Nascimento, Stênio R. S., Luiza-Andrade, Ana, Miranda, Margarida Vilaça, Lima, Lucas R. C., Almeida, Marciaandreia De Gois, Hamada, Neusa & Cruz, Paulo Vilela, 2025, Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil, pp. 505-522 in Zootaxa 5584 (4) on pages 508-511, DOI: 10.11646/zootaxa.5584.4.3, http://zenodo.org/record/14853566