Harpagobaetis gulosus Mol 1986

Cruz, Paulo Vilela & Hamada, Neusa, 2019, A new species of Harpagobaetis Mol, with amended diagnosis of the genus, and new considerations on predatory species of Baetidae (Ephemeroptera) from South America, Zootaxa 4551 (2), pp. 195-210 : 197

Harpagobaetis gulosus Mol 1986

( Fig. 7 )

Diagnosis. Male imago The characteristics used in the generic section can also be used for specific identification of male imago.

Mature nymph. 1) labrum with frayed setae along lateral margin ( Fig. 7A ); 2) maxillary palp three-segmented (Fig. 22 in Mol 1986); 3) second maxillary canine reduced ( Fig. 7C ); 4) paraglossa with base not overlapping the glossa ( Fig. 7D ); 5) middle part of anterior surface of femur with stout blunt setae (Fig. 10 in Mol 1986); 6) claws with one of apical seta (Fig. 13 in Mol 1986); 7) rows of denticles more than half of length of claw (Fig. 13 in Mol 1986); 8) posterior margin of terga IV with triangular projections ( Fig. 5 in Mol 1986); 9) gills with tracheae pigmented (Fig. 112 in Falcão et al. 2011).

Material examined. Three nymphs, BRAZIL, Amapá state, Amapá county; River Amapá Grande, Cachoeira Grande; N 02°09'43.1" W 050°55'17.3"; 3 m alt.; 07.viii.2011; A. M.O. Pes, P.V. Cruz, A. O. Fernandes, N. Hamada cols.

Figures

FIGURE 5. Harpagobaetis brigada sp. nov. Holotype. A. foreleg anterior surface; B. detail of dorsal margin of foreleg; C. detail of ventral margin of foreleg; D. foreclaw; E. mid claw; F. hind claw.

FIGURE 7. Harpagobaetis gulosus. A. detail of setae on lateral margin of labrum; B. detail of left prostheca; C. detail of apex of maxilla; D. labium; E. detail of paracercus, dorsal view; F. detail of cercus, lateral view; G. detail of setae on dorsal margin of forefemur. ds1: apical dentiseta; ds2: medial dentiseta; ds3: basal dentiseta.