Paraploderus schwendingeri, Makranczy, 2016

Makranczy, György, 2016, Review Of The Genus Paraploderus Herman, 1970 (Coleoptera: Staphylinidae: Oxytelinae), Acta Zoologica Academiae Scientiarum Hungaricae 62 (1), pp. 59-116 : 99-101

Paraploderus schwendingeri sp. n.

( Figs 73–77 , 102 )

Typematerial – Holotype (m): INDONESIA: WestSumatraprov., LakeManinjau, waterfallaboveGasang, 720 m [0°17‘10“S, 100°14‘10“E], 9.II.2000, P. Schwendinger (Sum– 00/04) siftingforestsoilatsidesofstreambelowasmallwaterfallinpatchofprimary rainforest, Winklerextracted (MHNG); Paratypes (3): WestSumatra, Padangpanjan, 600 m [0°28‘38“S, 100°21‘53“E], 17.XI.1989, leg. D. Agosti, I. Löbl & D. Burckhardt (20), sifted rottenbamboos (1 m, MHNG); Aceh, Mt. LeuserNationalPark, Ketamberesearchstation, 800 m [3°39‘51“N, 97°34‘40“E], 28.XI.1989, leg. D. Agosti, I. Löbl & D. Burckhardt (26a), transitionoflowlanddipterocarptolowermontane Castanopsis – Lithocarpus forest, sifting ofvegetationaldebris (1 f, MHNG, 1, NIBR).

Description – Measurements (in mm, n = 4): EW = 0.59 (0.51–0.61); TW = 0.57 (0.54– 0.59); PW = 0.65 (0.63–0.68); SW = 0.70 (0.68–0.73); AW = 0.77 (0.74–0.80); HL = 0.37 (0.36– 0.38); EL = 0.135 (0.13–0.14); TL = 0.11 (0.10–0.12); PL = 0.44 (0.43–0.45); SL = 0.62 (0.60–0.66); SC = 0.57 (0.55–0.61); FB = 1.48 (1.42–1.55); BL = 2.84 (2.51–3.11). Habitus as in Fig. 102 . Headslightlyreddishdarkbrown, pronotumreddishmediumbrown, elytraandabdomenmoreorlessmediumbrown. Legs, mouthpartsandantennaemediumtolightbrown. Impressedlineslaterallyborderingclypeusblackish, apicesofmandiblesoftendarker, infuscate. Head transversewithrounded, slightlybulgingtemplesnotaswideaseyes. Clypeusappearsalmostimpunctate (fewtinypuncturesanteriorly), withathinanterior rimalsoonsides, almostnotracesofmicrosculpture, smoothandshiny. Epistomalsuture straight, roughlyonimaginarylineconnectingsupraantennalprominences. Medialpor- tionofoccipitalgroovealmoststraight (inconspicuouslyarchinganteriorly), neckwith coriaceousmicrosculpture (isodiametriccells). Vertexshinywithoutanypunctures, only slighttracesofthem), almosttotallyshiny; afewsmallerpuncturesonlateralpartsand templesaroundpostocularridge. Faintlongitudinalimpressionsrunningonbothsides ofvertexfromepistomalsuturetooccipitalgroove, becomingrathermarkedposterior- ly. Headsurfaceotherwiseshiny, withoutmicrosculpture. Pronotum withcomplete, thin marginalbead. Surfaceshiny, withoutanymicrosculpturebutwithsomepunctures, very shallowandscattered. Sometimespuncturesmoreapparentanddistinctintheimpressed areas. Longitudinalmidlinemarkedinposterior 1/2. Onbothsidesofmidlinemiddleof discstronglyimpressedtotheanterior 2/5 ofsides. Elytra withdiscalmostflat, twovery thinandshallowlongitudinalimpressionsalongsuturebehindscutellum, anteriorhalfof discverygentlyimpressedinmiddle. Epipleuralridgepresentonalmostentirelength. Thinmarginalbeadwithobscureconnectiontoepipleuralridgecontinuingalongposte- riormargin, notreachingsuturalcorner, slightlycurvinganteriorlybeforeit. Alongsuture veryfinemarginalbeadonlyconspicuousbecauseofdarkercolour. Elytralpunctation similartomorepunctatepartsofpronotum, somewhatmoredense, stillquiteshallow, moreorlessequallyspaced (interspacesabout 2× puncturediameters) andobscuredby surfaceunevenness. Abdomen shinyandsmoothwithonlytinyinsertionpointsofsetae andnotracesofmicrosculpture. MalesterniteVIIIasinFig. 75 , aedeagusasinFigs 73–74 , femalesterniteVIIIasinFig. 76 , spermathecaasinFig. 77 .

Distribution – ThespeciesiscurrentlyknownfromseverallocalitiesonSumatra

(WestSumatraandAcehprovinces).

Etymology – Thespeciesinnamedafterthecollectoroftheholotype, arachnologist

PeterSchwendinger (MHNG).

Remarks – Thespecieshasconspicuouslysmalleyesandwidetemples, andalthoughthesefeaturesappeartoberathervariable, nootherOriental congenersharestheminthissizerange.

Figures

Figs 73–77. Paraploderus schwendingeri sp. n. 73 = aedeagus, lateral view, 74 = aedeagus, fron- tal view (parameral setation shown on left), 75 = sternite VIII, male, 76 = sternite VIII, female, 77 = spermatheca. Scales: 0.1 mm for Fig. 77, 0.22 mm for Figs 73–74, 0.3 mm for Figs 75–76.

Figs 102–104. Habitus of Paraploderus species. 102 = P. schwendingeri sp. n., 103 = P. thailandicus sp. n., 104 = P. speculiventris (Fauvel, 1904).