Oreoeudesis Franz
Creators: name: Jałoszyński, Paweł
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Oreoeudesis

description: Oreoeudesis Franz, status n.
Oreoeudesis Franz, 1985: 332 (as subgenus of Pseudoeudesis). Type species: Pseudoeudesis lindneri Franz, 1963 (des. orig.).
Revised diagnosis. Microphthalmous or anophthalmous, when eyes present then located anteriorly; frontoclypeal groove absent, occipital constriction slightly narrower than vertex; head lacking bristles; submentum lacking lateral sutures; hypostomal ridges short, incomplete; antennae with club composed of three antennomeres; pronotum lacking antebasal pits and grooves, broadest in front of middle; prosternum with long basisternal part, complete notosternal sutures and complete hypomeral ridges; procoxal sockets closed; prosternal process indistinctly carinate; mesoventral intercoxal process long and carinate; ventrolateral foveae present; anterior metaventral process absent; metaventral intercoxal process narrowly separating metacoxae, with two long spines; each elytron with two very small but deep asetose basal foveae.
Redescription. Body of male moderately convex, elongate and slender, deeply constricted between head and pronotum and between pronotum and elytra, with moderately long appendages, pigmentation light brown, cuticle sparsely setose.
Head (Figs 11–12) with occipital constriction (Fig. 11; occ) only slightly narrower than vertex and dividing head capsule into exposed anterior part and posterior 'neck' region retracted into prothorax; eyes, if present, rudimentary and located in anterior part of head; tempora lacking thick bristles; vertex broader than long, moderately convex, not bulging dorsocaudad; frons transverse and subtrapezoidal; frontoclypeal groove absent; antennal insertions moderately broadly separated, located beneath weakly raised supraantennal tubercles.
Labrum (Fig. 11; lb) transverse. Mandibles (Figs 11–12; md) symmetrical, subtriangular, only curved apical region of each mandible is visible in the studied specimen. Each maxilla (Fig. 12) with subtriangular basistipes (Fig. 12; bst) and mediostipes (Fig. 12; mst), long palpifer (Fig. 12; ppf), elongate galea (Fig. 12; gal) and lacinia (Fig. 12; lac) and strongly elongate and moderately large maxillary palp (Fig. 12; mxp) composed of elongate palpomere I, strongly elongate, pedunculate and slender palpomere II, large and strongly elongate palpomere III broadest slightly distally to middle, and small, slender, subconical and pointed palpomere IV. Labium with broad submentum (Fig. 12; smn) lacking lateral sutures; subtrapezoidal mentum (Fig. 12; mn); and short prementum bearing long labial palps (Fig. 12; lp) and small median ligula with pair of bristles. Hypostomal ridges (Fig. 12; hr) incomplete, extending only to middle between anterior margin of submentum and transverse impression demarcating 'neck' region.
Gular plate (Fig. 12; gp) large and subtrapezoidal; gular sutures (Fig. 12; gs) superficial; posterior tentorial pits not visible.
Antennae (Fig. 2) slender, with club composed of three antennomeres.
Prothorax (Figs 2, 13) in dorsal view oval, broadest anterior to middle, with all margins rounded and weakly marked blunt and obtuse-angled anterior and posterior corners; base lacking pits or grooves. Sides of pronotum with dense, thick and long bristles (Fig. 13).
Prosternum (Fig. 13) with long basisternal part (Fig. 13; bst) moderately distinctly demarcated from procoxal cavities (Fig. 13; pcc); prosternal process (Fig. 13; psp) indistinctly carinate; procoxal sockets (Fig. 13; pcs) closed; hypomera (Fig. 13; hy) elongate, each divided into broad lateral part confluent with pronotum and narrow inner (adcoxal) part; hypomeral ridges (Fig. 13; hyr) and notosternal sutures (Fig. 13; nss) complete.
Mesoscutellum (not shown) visible between elytral bases in intact specimens but very small, broadly subtriangular, several times as broad as long; scutoscutellar suture indistinct.
Mesoventrite (Fig. 14) lacking demarcated anterior ridge; mesoventral intercoxal process (Fig. 14; msvp) long, carinate and moderately projecting ventrally; sides of mesoventrite with sparsely setose impressions distant from anterior margin of ventrite; mesanepisternum with moderately long prepectus (Fig. 14; pre); ventrolateral foveae (Fig. 14; vlf) deep; mesocoxal projections (Fig. 14; mcp) prominent, with mesocoxal sockets located on their ventral surface, exposed in ventral view.
Metaventrite (Fig. 14; v3) subtrapezoidal, anteriorly fused with mesoventrite, posteriorly deeply bisinuate; metaventral intercoxal process (Fig. 14; mtvp) narrowly separating metacoxae, with two long spines. Metanepisterna and metepimera narrow.
Metafurca (not shown) with short stalk and divergent lateral furcal arms.
Elytra (Fig. 2) oval, each with two very small but deep asetose basal foveae; humeral calli, basal impressions and subhumeral lines absent.
Hind wings absent.
Legs (Figs 2, 13, 14) moderately long and slender; femora gradually clavate, tibiae broadening distally, tarsi short and robust.
Aedeagus (Figs 17–22) thin-walled, in ventral view approximately drop-shaped; median lobe symmetrical, endophallus asymmetrical, with bell-shaped structure and long sclerites; parameres free, slender, each with one apical seta.
description: Published as part of Jałoszyński, Paweł, 2015, Confused identity: subgenera of Pseudoeudesis Binaghi belong in two tribes (Coleoptera: Staphylinidae: Scydmaeninae), pp. 493-507 in Zootaxa 4048 (4) on pages 502-503, DOI: 10.11646/zootaxa.4048.4.2, http://zenodo.org/record/240413