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October 27, 2018

Antankaria signoreti (Metcalf, 1955)

Antankaria signoreti (Metcalf, 1955) is found in Madagascar. It was formerly known as Antankaria madagascariensis. Yes, its species name has changed since 1913.

Scientific classification:
Family: Cicadidae
SubFamily: Cicadinae
Tribe: Cryptotympanini
SubTribe: Cryptotympanina
Genera: Antankaria
Species: Antankaria signoreti (Metcalf, 1955)


The image says Antankaria madagascariensis, but its newest name is Antankaria signoreti.

Antankaria genus description by W. L. Distant:

Characters, — Length of head about half the breadth between eyes and (including eyes) as wide as base of mesonotum; eyes circular, globular, moderately directed upward; pronotum a little narrowed behind eyes, about as long as mesonotum in front of the cruciform elevation; abdomen longer than space between apex of face and base of cruciform elevation; rostrum reaching posterior coxae ; anterior femora strongly toothed beneath; opercula in type not passing the base of metasternum; tegmina and wings talc-like.

References:

  1. The illustration and genus description comes from the journal Genera Insectorum, and a specific article from 1913 by W. L. Distant titled Homoptera. Fam. Cicadidae, Subfam, Cicadinae. Read it on the Biodiversity Heritage Library website.
  2. Current species name verified using Allen Sanborn’s Catalogue of the Cicadoidea (Hemiptera: Auchenorrhyncha).

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October 15, 2018

Yanga brancsiki (Distant, 1893)

Yanga brancsiki (Distant, 1893) is found in Madagascar.

Scientific classification:
Family: Cicadidae
SubFamily: Cicadinae
Tribe: Platypleurini
Genera: Yanga
Species: Yanga brancsiki (Distant, 1893)

Yanga brancsiki (Distant, 1893)

Yanga genus description by W. L. Distant:

Characters. — Head (including eyes) as wide or a little wider than base of mesonotum, not truncate anteriorly, but with the lateral margins of the vertex a little oblique on each side, the front produced, about as long as the pronotum (excluding its posterior margin); pronotum transverse, its posterior margin about half the length of vertex, the lateral margins strongly and angulately produced on each side, their apices extending a little more than the base of basal cell of tegmina; mesonotum a little longer than pronotum; anterior femora with a basal and subapical spinous tubercle; posterior tibiae with a few spines on apical area; metasternum elevated and centrally sulcate; tympanal coverings moderate in size; opercula short and broad, their apices more or less convexly rounded ; rostrum reaching the posterior coxae; tegmina with the costal membrane much arched at base and dilated, about as broad or broader than the costal area, basal cell short and broad, ulnar veins widely separated at their bases.

References:

  1. The illustration and genus description comes from the journal Genera Insectorum, and a specific article from 1913 by W. L. Distant titled Homoptera. Fam. Cicadidae, Subfam, Cicadinae. Read it on the Biodiversity Heritage Library website.
  2. Current species name verified using Allen Sanborn’s Catalogue of the Cicadoidea (Hemiptera: Auchenorrhyncha).

October 14, 2018

Umjaba evanescens (Butler, 1882)

Umjaba evanescens (Butler, 1882) is found in Madagascar.

Scientific classification:
Family: Cicadidae
SubFamily: Cicadinae
Tribe: Platypleurini
Genera: Umjaba
Species: Umjaba evanescens (Butler, 1882)

Umjaba evanescens (Butler, 1882)

Umjaba genus description by W. L. Distant:

Characters. — Head (including eyes) only about two thirds the width of base of mesonotum, not truncate anteriorly, but obliquely deflected in front of eyes; pronotum transverse, its posterior margin about half the length of its vertex, the lateral margins ampliated, a little angulated anteriorly and posteriorly, but not medially, and not reaching base of basal cell of tegmina; mesonotum slightly longer than pronotum; anterior femora tuberculously angulated near base and apex; posterior tibiae with a few spines on their apical areas; metasternum elevated and centrally sulcate; tympanal coverings broad; opercula short, broad. their apices more or less convexly rounded; rostrum just passing the posterior coxae; tegmina with the costal membrane much arched at base, but very much narrower than the costal area which is broadly dilated, basal cell very broad, ulnar veins widely separated at their bases.

References:

  1. The illustration and genus description comes from the journal Genera Insectorum, and a specific article from 1913 by W. L. Distant titled Homoptera. Fam. Cicadidae, Subfam, Cicadinae. Read it on the Biodiversity Heritage Library website.
  2. Current species name verified using Allen Sanborn’s Catalogue of the Cicadoidea (Hemiptera: Auchenorrhyncha).