Brasilocaenis elidioi ( Lima, Molineri, Pinheiro & Salles, 2016 )

Nascimento, Stênio R. S., Rodrigues, Jackson A. O., Ale-Rocha, Rosaly & Lima, Lucas R. C., 2022, New species and records of Caenidae Newman, 1853 (Insecta: Ephemeroptera) from Northeastern Brazil, Zootaxa 5133 (1), pp. 110-122 : 117

Brasilocaenis elidioi ( Lima, Molineri, Pinheiro & Salles, 2016)

( Figs 6C, D )

Caenis sp. Angeli et al. 2015: 200 (adults); Lima et al. 2016b: 215 (adults and nymphs).

Caenis elidioi Lima et al. 2016a: 117 (adults, nymph and eggs); Lima & Boldrini, 2017: 286 (adult).

Brasilocaenis elidioi, Lima et al. 2019: 90 .

Distribution. Brazil: states of Bahia, Ceará, Espírito Santo, Mato Grosso, Minas Gerais, Paraíba, Pernambuco and Roraima. New record: Piauí State.

Material examined. 25 ♂ imagos (light trap), Brazil, Piauí State, Batalha municipality, Cachoeira do Urubu , S3°54’47.9”, W42°6’47.70”, 80 m a.s.l. 07.ix.2018 Lima, L. R . C, Rodrigues, J.A.O. cols. ( CEHJ) . 36 ♂ and nine ♀ imagos (light trap), Brazil, Piauí State, Piripiri municipality, Cachoeira do Bota-Fora , S4°12’51.1”, W41°40’01.7”, 162 m a.s.l. 15-16.xii.2018 Lima, L. R .C. col. ( CEHJ).

Comments. Brasilocaenis elidioi can be characterized by the presence of pointed forceps, abruptly sharpening distally, and forming a long tip at the apex, and penis dorsally and laterally protruding (adapted from Lima et al. 2016a).

Figures

FIGURE 6. Male imagos, body dorsal view and genitalia ventral view: A–B, Brasilocaenis irmleri; C–D, B. elidioi; E–F, Caenis chamie; G–H, C. fittkaui. (Scale: Figs 5A, C, E, F = 1 mm; Figs 5B, D, F, H = 0.2 mm).