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October 11, 2018

Ioba limbaticollis (Stål, 1863)

Ioba limbaticollis (Stål, 1863). Sub-Saharan Africa, West Africa, including Nigeria, Ghana, the Democratic Republic of the Congo, Central African Republic, and Ivory Coast. This cicada has an amazing pronotal collar.

Scientific classification:
Family: Cicadidae
SubFamily: Cicadinae
Tribe: Platypleurini
Genera: Ioba
Species: Ioba limbaticollis (Stål, 1863)

Ioba limbaticollis (Stål, 1863)

Ioba genus description by W. L. Distant:

Characters. — Head (including eyes) wider than the base of the mesonotum, not truncate anteriorly, but with the lateral margins of the vertex a little oblique on each side and the front prominently produced; pronotum transverse, its posterior margin only a little less in length than the vertex, the lateral margins strongly and angularly produced on each side, the angulations medial, their apices when the tegmina are expanded reaching near or to about the end of the basal cell; mesonotum about as long as the pronotum; anterior femora with; one or more distinct spines, posterior and sometimes intermediate tibiae spined on apical areas; metasternum elevated and centrally sulcated ; tympana covered; opercula short, broad, their apices more or less convexly rounded; rostrum reaching the posterior coxae; tegmina with the basal cell broad, irregular, with four, or sometimes five, angles ; ulnar veins widely separated at their bases; interior ulnar area somewhat broadened at apex.

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).

September 30, 2018

Muansa clypealis (Karsch, 1890)

Muansa clypealis (Karsch, 1890) is a visually amazing cicada, with a remarkable angular pronotal collar and almost butterfly-like wing inclusions. It is found in Sub-Saharan Africa/West Africa, including the countries Cameroon, The Central African Republic, The Democratic Republic of the Congo, Nigeria, and Zaire.

Scientific classification:
Family: Cicadidae
SubFamily: Cicadinae
Tribe: Platypleurini
Genera: Muansa
Species: Muansa clypealis (Karsch, 1890)

Muansa clypealis (Karsch, 1890)

A Muansa Distant genus description by W. L. Distant:

Characters. — Head (including eyes) slightly wider than base of mesonotum, not truncate anteriorly, but frontally produced, about as long as pronotum (excluding its posterior margin); pronotum transverse, its posterior margin little more than half the length of vertex, the lateral margins strongly and angularly produced, angular apices reaching to about middle of basal cell of tegmina; mesonotum a little longer than pronotum; anterior femora with one or more distinct spines, posterior tibiae with a few slender spines on apical areas; metasternum elevated and centrally sulcated ; tympana practically covered; opercula short, broad, their apices more or less convexly rounded; rostrum reaching the posterior coxae; tegmina with the basal cell broad, ulnar veins well 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. Species name information/verification comes from Allen Sanborn’s Catalogue of the Cicadoidea (Hemiptera: Auchenorrhyncha).