Apterocyclus munroi
Sharp, 1909
Apterocyclus munroi is a of in the Lucanidae. The species was described from four specimens collected on Kauai, Hawaii in 1897. No confirmed observations have been made since the original collection, and the species is considered possibly extinct. It belongs to a of flightless stag beetles to the Hawaiian Islands.
Pronunciation
How to pronounce Apterocyclus munroi: /ˌæptəroʊˈsɪkləs ˈmʌnroʊ/
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Identification
The was described from four specimens collected in 1897. No subsequent specimens have been identified, making field identification impossible. The Apterocyclus is characterized by reduced or absent wings (aptery) in , a trait shared with other Hawaiian stag beetles.
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Habitat
The original specimens were collected on the island of Kauai. Specific details are unknown due to the lack of collection records beyond the island locality.
Distribution
Known only from the island of Kauai in the Hawaiian Islands.
Human Relevance
The is of conservation interest due to its possible extinction status. It represents one of several potentially extinct Hawaiian insect species.
Similar Taxa
- Apterocyclus honoluluensisAnother flightless in the same to Oahu; distinguished by island of origin and subtle morphological differences in the original descriptions
- Apterocyclus kauaiensisCongeneric also to Kauai; distinguished by morphological features described in the original 1908-1909 taxonomic work
More Details
Conservation Status
The has not been observed since 1897 despite 120+ years of potential survey opportunity. This qualifies it as a candidate for 'Possibly Extinct' status under IUCN criteria. The Apterocyclus contains multiple species with similarly restricted distributions, reflecting the high and vulnerability of Hawaiian insect fauna.
Taxonomic History
Described by David Sharp in 1908 (published 1909) based on material collected by R.C.L. Perkins in 1897. The four specimens represent the entire known material of this .