Mecyclothorax hemisphaericus
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Ordo: Coleoptera
Familia: Carabidae
Genus: Mecyclothorax
Name
Mecyclothorax hemisphaericus Perrault, 1989: 68 – Wikispecies link – Pensoft Profile
Identification
The second of the Mecyclothorax globosus group species with very shallow discal elytral striae that are intermittently interrupted along their length (Figs 40C, D), this species is unique in having only the anterior dorsal elytral seta; setal formula 2111. The head, pronotum and elytra are dark brunneous, with all dorsal surfaces glossy. The pronotal median base is little depressed relative to the disc, and has 8–9 deep, round punctures isolated on each side by areas of glossy cuticle. The male aedeagal median lobe narrows evenly from the basal bulb to a narrow apex (Fig. 43C), much as in males of Mecyclothorax anaana (Fig. 43B), but the apex is broader dorsoventrally, with a slight spatulate expansion of the tip. Standardized body length 3.6–4.3 mm.
Distribution and habitat
This species inhabits Mont Marau from 900–1400 m elevation. It has been found by in dead Dicranopteris ferns and moss-covered Weinmannia trees via pyrethrin fogging.
Taxon Treatment
- Liebherr, J; 2013: The Mecyclothorax beetles (Coleoptera, Carabidae, Moriomorphini) of Tahiti, Society Islands ZooKeys, 322: 1-170. doi
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