Leentvaaria palpalis Demoulin, 1966

Nascimento, Stênio Raniery de Sousa, Lima, Lucas Ramos Costa & de Azevêdo, Carlos Augusto Silva, 2020, Leptophlebiidae Banks, 1900 (Insecta, Ephemeroptera) from Maranhão state, Brazil, Check List 16 (3), pp. 579-591 : 583-584

publication ID	https://doi.org/ 10.15560/16.3.579
persistent identifier	https://treatment.plazi.org/id/03B287E7-FFA1-3607-A958-6018868251A1
treatment provided by	Marcus
scientific name	Leentvaaria palpalis Demoulin, 1966
status

Treatment

Leentvaaria palpalis Demoulin, 1966 View in CoL

Figures 15, 34

Leentvaaria palpalis Demoulin 1966: 14 View in CoL ; Hubbard 1982: 265; Domínguez et al. 2001: 314; Domínguez et al. 2006: 411; Lima et al. 2012a: 203; Lima et al. 2012b: 311; Salles et al. 2016: 56–59.

Diagnosis. Male imago: 1) eyes meeting on meson of head ( Fig. 15); 2) fork of MA asymmetrical and fork of MP slightly asymmetrical; 3) crossvein above fork of MA not slanted; 4) styliger plate enlarged posteriorly, completely covering penis lobes in ventral view ( Fig. 34); 5) penis divided, each lobe with a long spine apically curved ( Fig. 34). Adapted from Salles et al. (2016).

Geographical distribution. Brazil: states of Espírito Santo, Maranhão *, Mato Grosso, Pernambuco, and Roraima. Surinamee and Venezuela.

Material examined. BRAZIL • 1 imago ♂; Maranhão state, Caxias municipality, Pé da Serra, Rio Itapecuru ; 05°07′28.5″S, 043°33′02.3″W; 60 m a.s.l.; 19 Dec. 2017 GoogleMaps . • 3 imagos ♂; same locality, 20 Dec. 2017; S. R.S. Nasci- mento, J.I.S. Jesus, D.C. Sousa and M.A.G. Almeida leg; light trap; LEAq GoogleMaps . • 23 imagos ♂; 08 Mar. 2018; S. R. S. Nascimento, L. R.C. Lima; M.A.G. Almeida, J.A.O. Rodrigues and D.A. Barbosa leg; light trap; LEAq .• 20 ima- gos ♂; 19 Nov. 2018; • 44 imagos ♂; 20 Nov. 2018; S. R. S. Nascimento, J.I.S. Jesus leg; light trap; LEAq . • 1 imago ♂; Maranhão state, Caxias municipality, Mangueira, Rio Itapecuru ; 05°07′05.5″S, 043°33′47.8″W; 69 m a.s.l.; 09 Mar. 2018; S. R. S. Nascimento, L. R. C. Lima, M.A.G. Almeida, J.A.O. Rodrigues and D.A. Barbosa leg; light trap; LEAq GoogleMaps . • 2 imagos ♂; Maranhão state, Caxias municipal- ity, Riacho Guarimã ; 04°50′02.9″S, 043°29′06.1″W; 51 m a.s.l.; 16 Jun. 2018; S. R. S. Nascimento leg; light trap; CZMA GoogleMaps .

Remarks. Salles et al. (2016) described the male imago with eyes separated on the meson of head by a short distance (less than 0.5 times the width of the median

ocellus). However, we found specimens with the eyes not separated, meeting on meson of the head ( Fig. 15).