Alloraphes chiapasensis (Jałoszyński, Paweł 2013)
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Ordo: Coleoptera
Familia: Staphylinidae
Genus: Alloraphes
Name
Alloraphes chiapasensis Franz – Wikispecies link – Pensoft Profile
- Alloraphes chiapasensis Jałoszyński, Paweł, 2013, Zootaxa 3750: 558-560.
Materials Examined
Type material. Holotype: Mexico (Chiapas): ♂, four labels (Fig. 62): "Tuxla [sic!]-Gutierrez / Chiapas, Mexico " with illegible code on reverse side [white, printed; reverse handwritten in blue ink]; " Alloraphes / chiapasensis / m. / det. H. Franz" [white, handwritten and printed]; male symbol [white, printed]; " Holotypus " [red, handwritten] (NHMW). Revised diagnosis. Male: frons flat and sharply demarcated from convex vertex; pronotum with bisinuate ante-basal transverse groove divided into lateral arcs by distinct median pit; elytra modified, with distinctly impressed apical region; aedeagus in ventral view with distinctly asymmetrical apex of median lobe, long and flat apical projections and parameres gradually narrowing to pointed apices, each bearing two thin and short setae. Diagnostic characters of females unknown.
Description
Redescription. Body of male (Fig. 2) moderately strongly convex, brown, covered with light brown vestiture; BL 1.08 mm. Head broadest at large, strongly convex and moderately coarsely faceted eyes, HL 0.18 mm, HW 0.23 mm; tempora in dorsal view much shorter than eyes; vertex convex, its anterior margin sharply demarcated from flat frons; supraantennal tubercles feebly marked. Punctures on frons and vertex inconspicuous, fine; setae short, sparse and suberect. Antennae slender, AnL 0.43 mm; antennomeres I and II each about twice as long as broad; III barely longer than broad; VI about 1.2 x as long as broad; V–VI each about 1.1 x as long as broad; VII–IX each about as long as broad; XI about 1.5 x as long as X and 1.5 x as long as broad.
Pronotum slightly elongate, broadest in anterior fourth; PL 0.28 mm, PW 0.26 mm. Anterior margin and lateral margins in anterior third strongly rounded; sides distinctly narrowing caudad, pronotum slightly constricted near posterior fourth; posterior margin slightly arcuate; ante-basal transverse groove distinct and divided by small median pit into lateral arcs convex anteriorly; lateral pits indistinct. Punctures on pronotal disc inconspicuous, fine and sparse; setae sparse, short and suberect, sides of pronotum with long and disordered bristles. Elytra more convex than pronotum, oval, broadest slightly anterior to middle; EL 0.63 mm, EW 0.48 mm, EI 1.32; sub-humeral lines sharply marked and as long as 1 / 4 EL; elytral apices distinctly impressed. Punctures on elytra distinct but small and shallow, separated by spaces 1–1.5 x as wide as puncture diameters; setae moderately long, sparse and suberect; each elytral apex with several slightly longer suberect setae directed postero-mesally. Hind wings well developed. Legs long and slender; all tibiae straight. Aedeagus (Figs. 29 –30, 46– 47) in the only known male specimen partly damaged during previous preparation, with detached parameres, slender and moderately darkly sclerotized; AeL 0.30 mm; in ventral view apical part of median lobe distinctly asymmetrical and with deeply but narrowly emarginated apical margin; apical projections long and flattened dorso-ventrally; parameres broad and gradually narrowing to pointed apices, each with two thin and short setae. Female. Unknown.
Distribution
Distribution. Southern Mexico (Fig. 68 b).
Discussion
Remarks. The name "Tuxla" on the label is misspelled Tuxtla-Gutiérrez. Franz (1994) gives further collecting data: a canyon in dried forest, sifted from leaf litter, 11.vi. 1992.
Taxon Treatment
- Jałoszyński, Paweł; 2013: Revision of the Neotropical genus Alloraphes Franz (Coleoptera: Staphylinidae: Scydmaeninae), Zootaxa 3750: 558-560. doi
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