Enderleina, Jewett, 1960

Derka, Tomáš, Figueroa, J. Manuel Tierno De & Čiampor, Fedor, 2019, Enderleina preclara Jewett, 1960 (Plecoptera, Perlidae), from the Venezuelan Guayana-A description of a putative female, nymph and egg, Zootaxa 4585 (2), pp. 332-342 : 339

Key to the adult males of Enderleina

1 Head and pronotum light brown................................................................. E. froehlichi

- Head dark brown or brown with some yellowish areas, pronotum orange.......................................... 2

2 Pronotum orange, medially with a pair of dark bands, external margins of frons yellowish white, brownish orange to yellowish white M-mark connecting antennal bases and anterior ocellus, legs brown................................ E. bifasciata

- Pronotum orange without dark bands...................................................................... 3

3 Head dark brown with narrow orange V-mark connecting antennal bases and anterior ocellus, basal half of femora yellow, apical half and tibia dark brown, penial sclerites as in Fig. 7 in Stark (1989).................................... E. yano

- Head uniformly brown, legs brown, penial sclerites with different shape..........................................4

4 Two large pale areas laterally on sternum IX, penial sclerites with a characteristic shape extending ventrally as an enlarged fanshaped structure, terminating dorsally in a blade-shaped structure; dorsally, the spines reach near the apex of the median sclerite, paraprocts laterally pointed................................................................... E. khazeni

- Sternum IX uniformly brown, the spines of penial sclerites are narrowed in the apical third of the penial sclerites, without any enlarged fan-shaped structure; dorsally, the spines are considerably shorter, never reaching near the apex of the median sclerite, paraprocts bulbous in the apex.................................................................. E. preclara

Figures

FIGURES 7–10. A putative female of E. preclara. 7, head and thorax, d. v.; 8, head and thorax, v. v.; 9, a general view, laterally; 10, a general view, ventrally.