Mecyclothorax wallisi
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Ordo: Coleoptera
Familia: Carabidae
Genus: Mecyclothorax
Name
Mecyclothorax wallisi Perrault, 1986: 442 – Wikispecies link – Pensoft Profile
Identification
Beetles of this species appear much like those Mecyclothorax striatopunctatus, with basally broad elytra bearing distinctly punctate striae and convex intervals, and glossy dorsal body surface (Figs 28A, B). However this species exhibits rudimentary transverse microsculpture on the head and pronotum, and distinct transverse mesh microsculpture, sculpticell breadth 2–3× length, on the discal elytral intervals. The pronotal median base is distinctly punctate, with >25 deep, round punctures each side, and the pronotal hind angles are more rounded than in Mecyclothorax striatopunctatus. In Mecyclothorax wallisi, the basal pronotal seta is positioned anterad the rounded hind angles, and its articulatory socket causes a jag in the basal portion of the pronotal lateral margin. The eighth elytral interval is broadly convex laterad the seventh stria, with its surface bulging laterally. The male aedeagal median lobe is similar to that of male Mecyclothorax striatopunctatus (Fig. 3A), with an evenly curved gracile shaft that is elongate apicad the ostium, and a dorsoventrally expanded apex, the ventral expansion larger and more rounded (Perrault 1986[1]: fig. 22) than observed in the males of Mecyclothorax striatopunctatus (Fig. 3A). Setal formula 2222; standardized body length 5.9–6.2 mm.
Distribution and habitat
Perrault (1986)[1] collected the type series between 1000 and 1800 m elevation on Mont Aorai. One subsequent specimen was collected by beating dead and live fern fronds between 1265 and 1320 m elevation on Aorai.
Taxon Treatment
- Liebherr, J; 2013: The Mecyclothorax beetles (Coleoptera, Carabidae, Moriomorphini) of Tahiti, Society Islands ZooKeys, 322: 1-170. doi
Other References
- ↑ 1.0 1.1 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.
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)
Other References
- ↑ 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.
