New species and records of Caenidae Newman, 1853 (Insecta: Ephemeroptera) from Northeastern Brazil.
Zootaxa
; 5133(1): 110-122, 2022 May 03.
Article
em En
| MEDLINE
| ID: mdl-36101109
ABSTRACT
New distributional records for four species and the description of a new species of Caenis Stephens from Parnaba River Basin, in a semiarid region of the state of Piau, Northeastern Brazil are given. Characters and illustrations to distinguish Caenis marataoan sp. nov. from all other species in Caenis are provided. The new species can be distinguished by the following combination of characters 1) body length of male 1.52.0 mm, female 2.52.8 mm; 2) base of antennal flagellum not dilated; 3) forceps apically rounded, covered with trichomes and with 23 minute spines at apex; 4) styliger plate short with posterior margin convex; 5) penis fused and not laterally projected; 6) eggs oval-shaped; micropyle linear with narrow and long micropylar canal, preceded by an oval sperm guide.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Ephemeroptera
Limite:
Animals
País/Região como assunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Zootaxa
Ano de publicação:
2022
Tipo de documento:
Article
País de afiliação:
Brasil