Airaphilus
Redtenbacher, 1858
Species Guides
1Airaphilus is a of beetles in the Silvanidae, Silvaninae. The genus contains approximately 30 described distributed across Europe, North Africa, Madagascar, and Japan. At least one species, Airaphilus abei, is flightless () and has been assessed as potentially endangered due to loss. The genus was first described by Redtenbacher in 1858.
Pronunciation
How to pronounce Airaphilus: /aɪˈræfɪləs/
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Identification
within Airaphilus may be distinguished by features including length relative to body, pronotum width relative to , presence or absence of elytral humeral teeth, and metaventrite length. For example, Airaphilus abei has antennae reaching about body midlength, a pronotum margin about as wide as the head, without humeral teeth and rounded at base and apex, and a long metaventrite.
Habitat
Wetland including bogs; at least one occupies peat bogs undergoing transition to grassland due to desiccation.
Distribution
Europe (including Mediterranean islands such as Corsica, Sicily, and the Canary Islands), North Africa, Madagascar, and Japan (Honshu). GBIF records indicate presence in Norway and Sweden.
Behavior
At least one (Airaphilus abei) is and lacks hind wings, suggesting limited capability and restricted mobility.
Similar Taxa
- SilvanusBoth belong to Silvanidae and share general body form; Airaphilus tend to be more slender with in some species
- CathartusRelated silvanid ; Airaphilus typically has more elongated body and different antennal structure
More Details
Species diversity
The contains at least 30 described , with the highest diversity in the Mediterranean region and outlying in Madagascar and Japan.
Conservation concern
Airaphilus abei from Japan is potentially endangered due to wetland degradation, extremely limited known distribution (single bog), and flightlessness restricting recolonization ability.