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

Descendants and synonyms

Nomenclature (3)

  • Oliarus retentus Caldwell, 1947c: 148.

    Holotype; male; Type No. 5921; deposited at: California Academy of Sciences, San Francisco, California (CASC); U.S.A., Arizona: Nogales, IX.1906, A. Koebele Collector

  • Melanoliarus retentus (Caldwell, 1947) in Hendrix & Bartlett, 2025: 8.
  • Oliaridellus retentus (Caldwell, 1947) in Hendrix & Bartlett, 2025: 47.

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: restrained, delayed

Stats

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