Published November 12, 2025 | Version v1
Taxonomic treatment Open

Rhabdoscelus maculatus

  • 1. Department of Plant Medicine, Sunchon National University, Suncheon 57922, Korea

Description

Rhabdoscelus maculatus (Gyllenhal 1838)

Sphenophorus maculatus Gyllenhal 1838: 881. [Type locality: Java]

Rhabdocnemis maculatus form carinicollis Voss 1937: 273.

Rhabdocnemis eucnemis Heller 1899: 33.

Sri Lankan records. Heller (1901: 339 —Kandy, Matala, Negombo, Weligama); Csiki (1936); Karunaratne et al. (2011).

Distribution. China (Yunnan), Java, Sumatra, Sri Lanka, Sulawesi.

Biological notes. The palm weevil, an important pest of ornamental palms, was carried out at Tropiflora Ornamental Palm Nurseries in Sri Lanka (Karunaratne et al. 2011).

Remarks. The members of Genus Rhabdoscelus have 13 recognized species (International Weevil Community Website, n.d.) that occur from the Pacific Islands westward to Japan, eastern Asia, Indonesia, and Australia. This species is sometimes believed to be synonymised with Rhabdoscelus obscurus, but there are records indicating a different biology and morphology. The synonymy with R. obscurus is actually with a junior homonym, R. maculatus Matsumura (International Weevil Community Website, n.d.).

Notes

Published as part of Wijesinghe, Dilshara D. & Hong, Ki-Jeong, 2025, Checklist of Sri Lankan weevils (Coleoptera: Curculionoidea: Curculionidae; excluding Scolytinae and Platypodinae): Based on literature data, pp. 151-206 in Zootaxa 5719 (2) on page 177, DOI: 10.11646/zootaxa.5719.2.1, http://zenodo.org/record/17891524

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Linked records

Additional details

Biodiversity

Scientific name authorship
Gyllenhal
Kingdom
Animalia
Phylum
Arthropoda
Order
Coleoptera
Family
Dryophthoridae
Genus
Rhabdoscelus
Species
maculatus
Taxon rank
species
Taxonomic concept label
Rhabdoscelus maculatus (Gyllenhal, 1838) sec. Wijesinghe & Hong, 2025

References

  • Heller, K. M. (1901) Russelkafer aus Ceylon gesammelt von Dr. W. Horn. Deutsche Entomologische Zeitschrift, 1901 (2), 337-350.
  • Csiki, E. (1936) Curculionidae: Rhynchophorinae, Cossoninae. Pars 149. In: Schenkling, S. (Ed.), Coleopterorum Catalogus. W. Junk, ' s-Gravenhage, pp. 1-212.
  • Karunaratne, M. D. S. U., Karunaratne, M. M. S. C. & Ekanayake, H. M. R. K. (2011) Biology of the palm weevil Rhabdoscelus maculatus in selected foliage-palm nurseries in Sri Lanka. Tropical Agricultural Research and Extension, 14 (3), 70-75. https://doi.org/10.4038/tare.v14i3.4845