Genyocerus albipennis

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Genyocerus albipennis
Scientific classification
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Species:
G. albipennis
Binomial name
Genyocerus albipennis
Synonyms
  • Diacavus irregularisBrowne, 1970

Genyocerus albipennis, is a species of weevil endemic to Sri Lanka. [1] [2] [3]

Description

In 1958, Victor Motschulsky formed the genus Genyocerus by citing G. albipennis as the type species. [4] It is similar to the genus Diapus , but can be identified due to widely separated procoxae and the concave male fifth abdominal ventrite. This fifth abdominal ventrite is specialized for use as a shovel to remove frass from the gallery system. There is a considerable sexual dimorphism. Average body length is about 2.5 to 2.9 mm. Concavity of fifth ventrite without a longitudinal elevation. Lower half of frons lacks a median or lateral carinae. Pronotum with one pore on each side. Inner three teeth on elytral apex truncate. Elytral striae are not impressed on disc, but more finely punctured. [1]

The beetle is only identified from Dipterocarpus zeylanicus . [1]

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References

  1. 1 2 3 Beaver, R. A.; Liu, L.-Y. (2007-09-05). "A review of the genus Genyocerus Motschulsky (Coleoptera: Curculionidae: Platypodinae), with new synonyms and keys to species". Zootaxa. 1576: 25–56. doi:10.11646/zootaxa.1576.1.3 . Retrieved 2021-08-24.
  2. Wood, Stephen L. (1969). "New Synonymy and Records of Platypodidae and Scolytidae (Coleoptera)". The Great Basin Naturalist. 29 (3): 113–128. doi: 10.5962/bhl.part.17054 . JSTOR   41711226 . Retrieved 2021-08-24.
  3. "Genyocerus albipennis Motschulsky, 1858". www.gbif.org. Retrieved 2021-08-24.
  4. Wood, Stephen L. (1981). "Nomenclatural Changes and New Species in Platypodidae and Scolytidae (Coleoptera)". The Great Basin Naturalist. 41 (1): 121–128. doi:10.5962/bhl.part.17257. JSTOR   41711786 . Retrieved 2021-08-24.