Sistemática de Callibaetis Eaton e gêneros relacionados (Ephemeroptera: Baetidae)
Over the last 50 year, the Neotropical realm, especially the South America, has been the subject of a lot of studies on the family Baetidae. This remarkable number of publications brought to light a great number species and generated doubts about the generic concepts. In the center of this discus...
| Autor principal: | Cruz, Paulo Vilela |
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| Grau: | Tese |
| Idioma: | por |
| Publicado em: |
Instituto Nacional de Pesquisas da Amazônia - INPA
2020
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| Assuntos: | |
| Acesso em linha: |
https://repositorio.inpa.gov.br/handle/1/12304 http://lattes.cnpq.br/2767238488997600 |
| Resumo: |
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Over the last 50 year, the Neotropical realm, especially the South America, has been the
subject of a lot of studies on the family Baetidae. This remarkable number of
publications brought to light a great number species and generated doubts about the
generic concepts. In the center of this discussion are Callibaetis, Paracloeodes,
Rivudiva and Varipes, a set of genera belonging to an monophyletic called node C in
the last phylogenetic reconstruction of the Baetidae. Aside the doubts of generic
delimitation, the genera Callibaetis and Paracloeodes are taxonomic problematic.
Callibaetis has the most of its species described by Longinos Navás, all incomplete and
the locations of type-specimens were often inaccurate. The Paracloeodes species are
morphologically similar and some were poorly described, making the color a very
important characteristic to species identification. In order to clarify the problems above
cited were made: (i) the phylogenetic analysis of clade C; (ii) the phylogenetic analysis
of Callibaetis and Paracloeodes; and (iii) the South American species review of
Callibaetis and Paracloeodes. The results of chapter 1 corroborated: (i) almost all
genera are monophyletic, except for Paracloeodes and Varipes which become
monophyletic without Paracloeodes caldensis + Varipes singuil, a well-supported
clade. Given that, a new genus is proposed Rhopscelis gen. nov. Additionally, our
results corroborates: (i) the long setae on femora as synapomorphy of clade that
Rivudiva and Varipes belong and their consequentially close relationship; and (ii) the
spine on subgenital plate as convergence between Paracloeodes and Rivudiva. The
chapter 2 had as results: (i) Callibaetoides was recovered as the sister group of
Callibaetis; (ii) Callibaetis as monophyletic; (iii) four groups of species, treated here as
new genera, Callibaetis (Callibaetis), Callibaetis (Abaetetuba) n. subgen., Callibaetis
(Aiso) n. subgen. and Callibaetis (Cunhaporanga) n. subgen.; (iv) the groups proposed
by Check and Gillies as parafiletics; (v) new diagnoses were made to genus and species;
(vi) four new species were described (C. (Cu.) acdc sp. nov., C. (Ai.) catarinensis sp.
nov., C.(Ab.) cochlea sp. nov. e C. (Ca.) molinerii sp. nov.); (vii) the nymph of C. (Ab.)
fasciatus was described; (viii) the morphology of an unnamed species was described, C.
(?) sp. A; (ix) the nymph of C. (Ca.) radiatus was redescribed; (x) the female imago of
C. (?) camposi and the male imago of de C. (?) jaffueli were redescribed; (xi) C. (?)
jaffueli, C. (?) stictogaster e C. (Ab.) gloriosus received new status; (xii) C. (Ca.)
fluminensis was proposed as junior synonymous of C. (Ca.) zonalis; and (xiii) C. (?)
gregarius and C. (?) nigrivenosus were proposed as nomen dubia. The chapter 3 had as
results: (i) Paracloeodes as monophyletic; (ii) Paracloeodes is divised in two groups,
proposed here as new subgenera: Paracloeodes (Paracloeodes) and Paracloeodes
(Paua) n. subgen.; (iii) sevem male imagos (P. (Pau.) atroari, P. (Pau.) binodulus, P.
(Pau.) ibicui, P. (Par.) pacawara, P. (Pau.) peri, P. (Pau.) prismatobranchus sp. nov.
and P. (Pau.) waimiri) and three new species (P. (Pau.) aristotelesi sp. nov., P. (Pau.)
carolinae sp. nov. e P. (Pau.) prismatobranchus sp. nov.) were described; (iv) P. (Pau.)
ibicui, P. (Pau.) leptobranchus and P. (Pau.) eurybranchus were redescribed; and (v) P.
morellii was proposed as junior synonymous of P. (Par.) pacawara. |