Mecistostethus seagorum
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Ordo: Coleoptera
Familia: Histeridae
Genus: Mecistostethus
Name
Mecistostethus seagorum Caterino & Tishechkin & Dégallier, 2012 sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Type material
Holotype male: “GUYANE FR: Bélvédère de Saül, point de vue, 3°1'22"N, 53°12'34"W, piège vitre, 31 Nov 2010, SEAG” / “Caterino/Tishechkin Exosternini Voucher EXO-01295” / “HOLOTYPE Mecistostethus seagorum Caterino, Tishechkin & Dégallier”; deposited in MNHN. Paratype male, same locality as type, collected 2.ix.2010; deposited in CHND.
Diagnostic description
Length 2.7mm, width 2.2mm; frontal stria complete; frons and epistoma with microsculpture; anterior pronotal stria long, divergent (Fig. 3B); pronotum with ~10 setae on disk, arranged in a well-defined submarginal row (Fig. 3B); lateral pronotal punctures present, but extremely faint; pronotal micro-sculpture present on entire disk; prosternal striae absent (Fig. 4C); metaventral stria interrupted at middle (Fig. 4C); elytral microsculpture absent; elytral stria 2 complete, with numerous setae; elytral striae 1 and 2 reaching base; elytral stria 2 united with an apical marginal stria reaching nearly to suture; tegmen (Figs 6A–B) narrowed to base and apex, widest about one-fourth from apex, in lateral view nearly evenly curved to apex, with weak ventral swelling just basad midpoint, basoventral concavity occupying less than basal third, poorly defined, lateral carinae rapidly weakened from base; median lobe relatively long, nearly one-half tegmen length.
Distribution
This species is only known from the type locality, in south-central French Guiana.
Etymology
This species name recognizes the impressive efforts of the Société Entomologique Antilles Guyane (SEAG) to inventory the rich insect biodiversity of the Guianas (http://insectafgseag.myspecies.info/ )
Original Description
- Caterino, M; Tishechkin, A; Dégallier, N; 2012: A revision of the genus Mecistostethus Marseul (Histeridae, Histerinae, Exosternini) ZooKeys, 213: 63-78. doi
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