Difference between revisions of "Mecyclothorax bougainvillei"
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|1= File:ZooKeys-322-001-g003.jpg|2= '''Figure 3.''' Male aedeagal median lobe and associated parameres, ''{{Taxon name|Mecyclothorax}}'' spp., right lateral view; scale bars 0.5 mm '''A''' ''{{Taxon name|Mecyclothorax striatopunctatus}}'' paratype (MNHN) (apex of dissection damaged and lost; apex depicted by detail drawing <nowiki>[</nowiki>Perrault 1986<ref name="B75">{{aut|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.</ref >, fig. 23<nowiki>]</nowiki>) '''B''' ''{{Taxon name|Mecyclothorax bougainvillei}}'' holotype '''C''' ''{{Taxon name|Mecyclothorax mahina}}'' holotype '''D''' ''{{Taxon name|Mecyclothorax poria}}'' holotype '''E''' ''{{Taxon name|Mecyclothorax villiersi}}'' '''F''' ''{{Taxon name|Mecyclothorax taatitore}}'' paratype (CUIC) '''G''' ''{{Taxon name|Mecyclothorax pirihao}}'' paratype (CUIC) '''H''' ''{{Taxon name|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. | |1= File:ZooKeys-322-001-g003.jpg|2= '''Figure 3.''' Male aedeagal median lobe and associated parameres, ''{{Taxon name|Mecyclothorax}}'' spp., right lateral view; scale bars 0.5 mm '''A''' ''{{Taxon name|Mecyclothorax striatopunctatus}}'' paratype (MNHN) (apex of dissection damaged and lost; apex depicted by detail drawing <nowiki>[</nowiki>Perrault 1986<ref name="B75">{{aut|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.</ref >, fig. 23<nowiki>]</nowiki>) '''B''' ''{{Taxon name|Mecyclothorax bougainvillei}}'' holotype '''C''' ''{{Taxon name|Mecyclothorax mahina}}'' holotype '''D''' ''{{Taxon name|Mecyclothorax poria}}'' holotype '''E''' ''{{Taxon name|Mecyclothorax villiersi}}'' '''F''' ''{{Taxon name|Mecyclothorax taatitore}}'' paratype (CUIC) '''G''' ''{{Taxon name|Mecyclothorax pirihao}}'' paratype (CUIC) '''H''' ''{{Taxon name|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. | ||
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Ordo: Coleoptera
Familia: Carabidae
Genus: Mecyclothorax
Name
Mecyclothorax bougainvillei Perrault, 1986: 443 – Wikispecies link – Pensoft Profile
Identification
This species shares with Mecyclothorax curtisi the rounded pronotal hind angles and basal pronotal setal placement 0.12× the pronotal length before the median basal margin, but differs in: 1, the nearly concolorous pronotal and elytra discs and margin; 2, the very convexly domed elytra with the scutellum much depressed from the middle of the disc; 3, the presence of both apical and subapical elytral setae, therefore a setal formula of 2222; and 4, larger size, standardized body length 6.2 mm. Like Mecyclothorax curtisi, the pronotal median base has only small, shallow punctures, about 8–10 each side, and elongate wrinkles along the juncture with the disc. The head is glossy with an indistinct transverse mesh visible in wrinkles and on the neck. The pronotal disc is also glossy, with elongate transverse mesh microsculpture visible in the lateral marginal depressions and laterobasal depressions, as well as the median base between punctures. The discal elytral intervals are covered with a shallow, regular transverse mesh, sculpticell breadth 2–3× length. The male aedeagal median lobe is slightly more curved than in Mecyclothorax curtisi, but shares: 1, a short apex (Fig. 3B); 2, an ostial canal that traverses the right face and terminates near the dorsal margin; and 3, a right paramere that is somewhat broad and parallel sided from base to tightly rounded apex. The apex of the median lobe in Mecyclothorax bougainvillei males uniquely bears an apical tooth that extends from the basal quarter of the apical face.
Distribution and habitat
All that is known about this species’ distribution is the elevation of the type locality for the unique holotype: 1400 m elevation on Mont Marau.
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.
