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Habitus, dorsal view on Bifoliarus bispinus (Caldwell, 1947): (Observation).
Habitus, dorsal view on Bifoliarus bispinus (Caldwell, 1947): (Observation).
Habitus, lateral view on Bifoliarus bispinus (Caldwell, 1947): (Observation).
Head on Bifoliarus bispinus (Caldwell, 1947): (Observation).
Pygofer, lateral view on Bifoliarus bispinus (Caldwell, 1947): (Observation).
Pygofer, ventral view on Bifoliarus bispinus (Caldwell, 1947): (Observation).
Stylus on Bifoliarus bispinus (Caldwell, 1947): (Observation).
Aedeagus, ventral view on Bifoliarus bispinus (Caldwell, 1947): (Observation).
Aedeagus, dorsal view on Bifoliarus bispinus (Caldwell, 1947): (Observation).
Connective on Bifoliarus bispinus (Caldwell, 1947): (Observation).
Anal tube processes on Bifoliarus bispinus (Caldwell, 1947): (Observation).
Anal tube processes on Bifoliarus bispinus (Caldwell, 1947): (Observation).
Anal tube processes on Bifoliarus bispinus (Caldwell, 1947): (Observation).
Other on Bifoliarus bispinus (Caldwell, 1947): (Observation).
Other on Bifoliarus bispinus (Caldwell, 1947): (Observation).

Descendants and synonyms

Nomenclature (3)

  • Oliarus bispinus Caldwell, 1947c: 150.

    Holotype; male; 8e913aab-b2c6-4cad-92ed-af3772539a85; deposited at: Ohio State University (OSU); U.S.A., Texas: Chisos Mts., July 17, 1946, D.J. & J.N. Knull

  • Melanoliarus bispinus (Caldwell, 1947) in Hendrix & Bartlett, 2025: 6.
  • Bifoliarus bispinus (Caldwell, 1947) in Hendrix & Bartlett, 2025: 37.

Nomenclature references (2)

  • Caldwell, J.S. (1947c) New species of Oliarus Stål from Southwestern United States and Mexico (Homoptera: Cixiidae). Pan-Pacific Entomologist, 23(4), 145–151.
  • Hendrix, S.V. & Bartlett, C.R. (2025) Reclassification of the planthopper genus Melanoliarus Fennah, 1945 (Hemiptera: Fulgoromorpha: Cixiidae), primarily north of Mexico, with notes on American Pentastirini. Zootaxa, 5619(1), 1–87. https://doi.org/10.11646/zootaxa.5619.1.1
Gender, form, and etymology

Etymology:

Latin: two spines

Stats

Summary of taxonomic names by rank, showing valid extant names, fossil names, invalid names, and total counts.
TaxonValid names
RankExtantFossilInvalidTotal
Species1023