Paramaka antonii Sartori, 2005

Salles, F. F., Domínguez, E., Mariano, R., Boldrini, R., Clavier, S. & Lima, L. R. C., 2025, A review of Paramaka Savage & Peters, 1992 (Ephemeroptera: Leptophlebiidae) with the description of two new species, Zootaxa 5590 (3), pp. 401-421 : 403

Paramaka antonii Sartori, 2005

( Figure 2A )

Paramaka antonii Sartori, 2005: 239 ; Mariano, 2011: 46.

Diagnosis. Nymph: 1) distal margin of clypeus with a distinct medial projection ( Fig. 2A ); 2) tarsal claw with subapical denticle present; 3) pointed projection of gills present on dorsal lamella of gills IV to VI; 4) posterolateral projections present on segments VIII and IX, but poorly developed on VIII.

Material examined. PARATYPE: GUYANA, Ireng River , Orinduik Falls, 19.ix.2001, 4 o 43'N 60 o 01'W, P. Derleth col., male nymph ( MZL) .

Distribution. Guyana (on the border with Roraima, Brazil).

Comments. Paramaka antonii is the only species of the genus described solely based on the nymphal stage and may represent one of the new species described herein based on imagos. In the case of P. takari sp. nov., a large series of unassociated nymphs from the type locality were examined, none of which displayed a medial projection on the anterior margin of the clypeus. These nymphs were not described to avoid more confusion regarding the nymphal stage of this genus, since only the nymphs of P. convexa and P. incognita have been safely associated with adults through rearing. The absence of nymphs of P. antonii in the type locality of P. takari sp. nov. reduces the possibility that they are conspecific. Concerning P. lucimarae sp. nov., it is also unlikely to be conspecific with P. antonii , given the disjunct distribution of these two species (the western limit of Guyana versus the Orinoco and Amazon regions of Colombia, respectively).

Figures

FIGURE 2. Paramaka spp., nymph and imago: A) head of P. antonii (paratype); B) head of P. convexa from French Guiana; C) hind leg of P. convexa from French Guiana; D) genitalia of P. convexa from Amazonas, Brazil, ventral view; E) abdomen of male imago of P. convexa from Amapá, Brazil, dorsal view.