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December 7, 2018

Terpnosia psecas (Walker, 1850)

Terpnosia psecas (Walker, 1850) is a cicada found in India, Ceylon (Sri Lanka) and Java (Indonesia).

Scientific classification:
Family: Cicadidae
SubFamily: Cicadinae
Tribe: Cicadini
SubTribe: Psithyristriina [Psithyr means “whispering” in Greek]
Genera: Terpnosia
Species: Terpnosia psecas (Walker, 1850)

Terpnosia psecas (Walker, 1850)

Terpnosia genus description by W. L. Distant:

Characters. — Head about as long as breadth between eyes, deflected anteriorly, front not prominent; pronotum distinctly shorter than mesonotum, its lateral margins sinuate, with the posterior angles moderately lobalety produced; abdomen in male longer than space between apex of head and base of cruciform elevation; tympanal coverings both narrower and shorter than tympanal cavities; opercula in male short and transverse, usually not or scarcely extending beyond base of abdomen; anterior femora spined beneath; tegmina and wings hyaline, the first usually more or less maculate, with eight apical areas, and the basal cell longer than broad; wings with six apical areas.

References:

  1. The illustration and description comes from the journal Genera Insectorum, and a specific article from 1914 by W. L. Distant titled Homoptera. Fam. Cicadidae, Subfam, Gaeaninae. Read it on the Biodiversity Heritage Library website.
  2. Species name verification comes from Allen Sanborn’s Catalogue of the Cicadoidea (Hemiptera: Auchenorrhyncha).

November 29, 2018

Meimuna gamameda (Distant, 1902)

Meimuna gamameda (Distant, 1902) is a cicada found in Sri Lanka.

Scientific classification:
Family: Cicadidae
SubFamily: Cicadinae
Tribe: Dundubiini
SubTribe: Cosmopsaltriaria
Genera: Meimuna
Species: Meimuna gamameda (Distant, 1902)

Meimuna genus description by W. L. Distant in Genera Insectorum, 1913:

Characters. — Head (including eyes) about as broad as base of mesonotum, shorter than breadth between eyes, lateral margins obliquely continuous to face or very slightly sinuate; pronotum distinctly shorter than mesonotum, its lateral margins distinctly and generally acutely toothed before middle; abdomen considerably longer than space between apex of head and base of cruciform elevation; tympana covered, tympanal flaps about as long as broad; rostrum reaching the posterior coxae; opercula obliquely divergent, sometimes very short; tegmina and wings hyaline.

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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