Mecyclothorax anaana\according to Liebherr 2013
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Ordo: Coleoptera
Familia: Carabidae
Genus: Mecyclothorax
Name
Mecyclothorax anaana Liebherr, 2012b: 85 – Wikispecies link – Pensoft Profile
Identification
This is one of only two Mecyclothorax globosus group species (Figs 40C, D) within which the discal elytral striae are so shallow that they are intermittently interrupted between adjacent strial punctures. From the similar appearing Mecyclothorax hemisphaericus, this species can be distinguished by the presence of two dorsal elytral setae; setal formula 2121. The pronotum is quite constricted basally, with the lateral margins distinctly convergent anterad the projected, right hind angles; MPW/BPW = 1.55–1.65 (n = 5). The eyes are small and little convex, ocular ratio 1.41–1.46, and the ocular lobe projects little from the gena, ocular lobe ratio 0.77–0.81. The frons is covered with an indistinct transverse mesh, the sculpticells 2–3× broad as long, and the pronotal disc is glossy with an indistinct transverse mesh visible outside areas of reflected light. The discal elytral intervals are glossy with no discernible microsculpture. The male aedeagal median lobe is broad basally and very narrow apically, the shaft as broad as the basal bulb and narrowing precipitously at the ostium (Fig. 43B), and the apex is narrowly downturned to a tightly rounded tip. Standardized body length 3.7–4.2 mm.
Distribution and habitat
This species is known to inhabit Mont Mauru from 960–1110 m elevation. It is associated with arboreal microhabitats based on its discovery through beating vegetation, including Melicope, Myrsine, Weinmannia, and soft ferns. Individuals have also been found by applying pyrethrin fog to a bank of dead and live ferns.
Taxon Treatment
- Liebherr, J; 2013: The Mecyclothorax beetles (Coleoptera, Carabidae, Moriomorphini) of Tahiti, Society Islands ZooKeys, 322: 1-170. doi
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