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November 8, 2018

Ariasa colombiae (Distant, 1892)

Ariasa colombiae (Distant, 1892) is a cicada found in Columbia and Venezuela.

Scientific classification:
Family: Cicadidae
SubFamily: Cicadinae
Tribe: Fidicinini
SubTribe: Guyalnina
Genera: Ariasa
Species: Ariasa colombiae (Distant, 1892)

Ariasa genus description by W. L. Distant:

Characters. — Head (including eyes) wider than base of mesonotum, the eyes projecting beyond anterior pronotal angles, vertex at area of ocelli as long as or only a little shorter than front; posterior angles of pronotum more or less sublobately produced; abdomen about as long as space between apex of head and base of cruciform elevation; tympana largely exposed, the flaps only upwardly developed on the lateral areas; face large and globose; rostrum reaching the posterior coxae; opercula short, not passing base of abdomen; abdomen beneath prominently channeled at each lateral margin; tegmina and wings hyaline, the first with eight apical areas, basal cell a little longer than broad.

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).

October 19, 2018

Pachypsaltria cinctomaculata (Stål, 1854)

Pachypsaltria cinctomaculata (Stål, 1854) is found in Columbia, Bolivia, Ecuador, and Venuezela.

Scientific classification:
Family: Cicadidae
SubFamily: Cicadinae
Tribe: Cicadatrini
Genera: Pachypsaltria
Species: Pachypsaltria cinctomaculata (Stål, 1854)

Pachypsaltria cinctomaculata (Stål, 1854)

Pachypsaltria genus description by W. L. Distant:

Characters. — Head including eyes a little more than half the width of base of mesonotum, the front subconically produced, about as long as vertex, head obliquely depressed, eyes oblique, slightly passing the anterior pronotal angles; face moderately globose, not longitudinally sulcate; rostrum passing the posterior coxas; pronotum shorter than mesonotum, its posterior margin nearly twice as broad as anterior margin, the lateral margins dentately sinuate; mesonotum shorter than head and pronotum together, convex; abdomen short, about as long as head and pronotum together; tympanal orifices inwardly exposed; opercula short, broad, scarcely extending beyond base of abdomen: body pilose, marginally longly so; anterior femora not spined beneath; tegmina more than twice longer than broad, apical areas eight; wings with six apical areas.

Pachy (Greek) means thick, and psalt comes from “psalter” (Greek), which means harp player. Pachypsaltria = thick harp player.

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).