Mecyclothorax bryobius
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Ordo: Coleoptera
Familia: Carabidae
Genus: Mecyclothorax
Name
Mecyclothorax bryobius (Britton) – Wikispecies link – Pensoft Profile
- Thriscothorax bryobius Britton, 1938: 106.
- Mecyclothorax bryobius, Britton 1948[1]: 110; Perrault 1978b[2]: 135; 1988[3]: 239.
Identification
This species is similar to Mecyclothorax bryobioides, but is easily distinguished by the obovate elytra, the maximal breadth well behind midlength (Fig. 21A), and the more rounded pronotal hind angles. The pronotal base is similarly narrow; MPW/BPW = 1.78–1.89 (n = 3). The microsculpture is more developed than in Mecyclothorax bryobioides, with the frons and vertex covered with a shallow isodiametric mesh, the pronotal disc bearing a regular though shallow transverse mesh, and the discal elytral intervals lined with an elongate transverse mesh mixed with areas of transverse lines. The male aedeagal median lobe is downturned apically (Fig. 19E), but more broadly and much less extensively than in Mecyclothorax bryobioides (Fig. 3H). Setal formula 2121; standardized body length 4.8–5.2 mm.
Distribution and habitat
This species’ known distribution is restricted to the highest elevations on Mont Aorai; 1650–2000 m. It has been collected by beating moss on trees and shrubs, indicating that the species possesses at least partially arboreal habits.
Taxon Treatment
- Liebherr, J; 2013: The Mecyclothorax beetles (Coleoptera, Carabidae, Moriomorphini) of Tahiti, Society Islands ZooKeys, 322: 1-170. doi
Other References
- ↑ Britton E (1948) A revision of the Hawaiian species of Mecyclothorax (Coleoptera: Carabidae). Occasional Papers of Bernice P. Bishop Museum 19: 107-166.
- ↑ Perrault G (1978b) La faune des Carabidae de Tahiti II. genre Mecyclothorax (Sharp). Nouvelle Revue d’Entomologie 8: 133-162.
- ↑ Perrault G (1988) La faune des Carabidae de Tahiti. VIII. révision du genre Mecyclothorax Sharp (Psydrini) 3. les groups de M. altiusculus Britton et de M. gourvesi Perrault (Coleoptera). Nouvelle Revue d’Entomologie (NS) 5: 229-245.
Images
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![Figure 3. Male aedeagal median lobe and associated parameres, Mecyclothorax spp., right lateral view; scale bars 0.5 mm A Mecyclothorax striatopunctatus paratype (MNHN) (apex of dissection damaged and lost; apex depicted by detail drawing [Perrault 1986[1], fig. 23]) B Mecyclothorax bougainvillei holotype C Mecyclothorax mahina holotype D Mecyclothorax poria holotype E Mecyclothorax villiersi F Mecyclothorax taatitore paratype (CUIC) G Mecyclothorax pirihao paratype (CUIC) H Mecyclothorax bryobioides Abbreviations: at apical tooth dop dorsal ostial microtrichial patch fp flagellar plate lp left paramere oc ostial canal pa parameral articulation rp right paramere vop ventral ostial microtrichial patch.](/wiki/File:ZooKeys-322-001-g003.jpg)
- ↑ Perrault G (1986) La faune des Carabidae de Tahiti VII. révision du genre Mecyclothorax (Sharp) (Psydrini). 2. les groupes de M. striatopunctatus n. sp., M. dannieae Perrault, M. marginatus Perrault et M. viridis Perrault (Coleoptera). Nouvelle Revue d’Entomologie (NS) 3: 439-455.
