Hubbardipes crenulatus
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Ordo: Ephemeroptera
Familia: Polymitarcyidae
Genus: Hubbardipes
Name
Hubbardipes crenulatus (Molineri, Cruz & Emmerich) comb. n. – Wikispecies link – Pensoft Profile
- Asthenopus crenulatus Molineri, Cruz & Emmerich, 2011: 34.
Material
Listed in Molineri et al. (2011)[1], from Brazil (Amazonas, Presidente Figueiredo) and Colombia (Amazonas, Leticia, Reserva Natural Palmarí). Additional material: 2 male subimagos and 3 nymphs from BRAZIL: Amazonas, Tefé, São João do Catuaí, Igarapé Jutaí (A07), S 3°41'52.8" - W 64°9'18", 12.ix.2003, luz UV1, 067 FCM (CZNC); 7 nymphs from COLOMBIA, Dpto. Amazonas, rio Yavari junction Orejon, S 4°7'12" - W 69°55'43", E. Domínguez & N. Torres col. (IBN).
Diagnosis
Hubbardipes crenulatus (Molineri et al., 2011) comb. n. is known from adults of both sexes, eggs and nymphs, and for the moment it is the only known species in the genus. The characters useful to distinguish it from other Asthenopodinae are listed in the generic diagnosis.
Nymphs (Fig. 4A). Length (mm): body, 11.0–14.5; cerci, 4.5–5.5; terminal filament, 6.0. General coloration whitish light brown. Head with a gray band between lateral ocelli and fine netting pattern on occiput (Fig. 5A). Antennae: scape bare, long and slender, pedicel shorter with many dorsal setae, flagellum bare with numerous annuli increasing in length distally. Thorax. Pronotum shaded black on anterior ring and more slightly shaded witn brownish-gray on posterior ring except on a pair of submedian longitudinal pale lines. Meso- and metanotum shaded widely with gray, with dark gray wingbuds, developing veins paler (Fig. 5E). Legs (Fig. 6). All coxae and trochanters shaded with gray, femur I shaded with gray, remaining segments and legs II and III whitish-yellow; foretarsal claw with ca. 20 denticles increasing in size distally. Abdomen. Terga more or less uniformly shaded brownish-gray, except on pale transverse dashes laterally, and pale subcircular submedian marks; tergum X with two submedian pale bands; sterna paler than terga, shaded with gray very slightly, somewhat darker on sterna IX–X. Gill I dark gray, gills II–VII brownish gray, ventral portion paler than dorsal portion. Caudal filaments whitish.
Distribution
Amazonas river, from Leticia (Colombia) to Manaus (Brazil).
Discussion
Hubbardipes crenulatus (Molineri et al., 2011) comb. n. was recently described from male and female adults in the genus Asthenopus, with the knowledge of the nymphs and based on the results of the phylogenetic analysis, it became evident that this species pertain to a distinct group, that we propose here as a new genus.
Taxon Treatment
- Molineri, C; Salles, F; Peters, J; 2015: Phylogeny and biogeography of Asthenopodinae with a revision of Asthenopus, reinstatement of Asthenopodes, and the description of the new genera Hubbardipes and Priasthenopus (Ephemeroptera, Polymitarcyidae) ZooKeys, (478): 45-128. doi
Images
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Other References
- ↑ Molineri C, Cruz P, Emmerich D (2011) A new species of Asthenopus (Ephemeroptera: Polymitarcyidae: Asthenopodinae) from Brazil and Colombia. Zootaxa 2750: 33–38.
