Difference between revisions of "Mecyclothorax ferruginosus"
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|5= File:ZooKeys-322-001-g021.jpg|6= '''Figure 21.''' ''{{Taxon name|Mecyclothorax}}'' spp., dorsal view; scale bars 1.0 mm; setal formula (see Fig. 10) at lower right of each figure '''A''' ''{{Taxon name|Mecyclothorax bryobius}}'' paratype female (MNHN) '''B''' ''{{Taxon name|Mecyclothorax ballioides}}'' '''C''' ''{{Taxon name|Mecyclothorax ferruginosus}}'' holotype male '''D''' ''{{Taxon name|Mecyclothorax sinuatus}}'' holotype female. | |5= File:ZooKeys-322-001-g021.jpg|6= '''Figure 21.''' ''{{Taxon name|Mecyclothorax}}'' spp., dorsal view; scale bars 1.0 mm; setal formula (see Fig. 10) at lower right of each figure '''A''' ''{{Taxon name|Mecyclothorax bryobius}}'' paratype female (MNHN) '''B''' ''{{Taxon name|Mecyclothorax ballioides}}'' '''C''' ''{{Taxon name|Mecyclothorax ferruginosus}}'' holotype male '''D''' ''{{Taxon name|Mecyclothorax sinuatus}}'' holotype female. | ||
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Ordo: Coleoptera
Familia: Carabidae
Genus: Mecyclothorax
Name
Mecyclothorax ferruginosus Perrault, 1987: 426; 1988: 241 – Wikispecies link – Pensoft Profile
Identification
Befitting its name, this species is characterized by the palest cuticle observed in all Tahitian Mecyclothorax (Fig. 21C). The male aedeagus of one of the two known specimens does not appear particularly teneral (Fig. 19G), though the flavous cast suggests the individual had not become completely melanized when collected. Beyond the coloration, this species can be told by the transverse, basally constricted pronotum; MPW/PL = 1.33, MPW/BPW = 1.75. The pronotal hind angles are distinct, nearly right, and projected, with the pronotal lateral margins convergent immediately anterad the angles. The discal elytral striae are nearly smooth, and are lined with minute punctures that cause slight irregularities in the striae in their basal half. The head is glossy with patches of transverse mesh microsculpture in depressed wrinkles associated with the frontal grooves. The pronotal disc is covered with an indistinct elongate transverse mesh that results in slight iridescence. The discal elytral intervals are covered with a dense transverse-mesh microsculpture, sculpticell breadth 2–4× length. The male aedeagal median lobe apex has an elongate ventral extension (Fig. 19G), most similar, to though not as exaggerated as, that observed in Mecyclothorax bryobioides (Fig. 3H). Setal formula 2122; standardized body length 5.8–6.0 mm.
Distribution and habitat
Georges Perrault collected the two known specimens together between 800 and 1000 m elevation on Mont Teatara, Tahiti Iti.
Taxon Treatment
- Liebherr, J; 2013: The Mecyclothorax beetles (Coleoptera, Carabidae, Moriomorphini) of Tahiti, Society Islands ZooKeys, 322: 1-170. doi
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.
