Dicerogastra euxoides, Ronkay & Gyulai & Ronkay, 2017

Ronkay, László, Gyulai, Péter & Ronkay, Gábor, 2017, The Survey Of The Himalayan-Sino-Tibetan Species Of The Genus Dicerogastra Fletcher, 1961 (Lepidoptera: Noctuidae, Hadeninae), With The Description Of Two New Species From China, Acta Zoologica Academiae Scientiarum Hungaricae 63 (1), pp. 17-28 : 24-26

Dicerogastra euxoides sP. n.

( Figs 7–10 , 19–22 , 27–28 )

HolotyPe, male ( Figs 7–8 ), China, NorthYunnan , DiqingTibetanAutonomousPrefecture, 5 kmSofDeqin, 3356 m, 19.VI.2009, leg. B. Benedek, slideNo. GYP 2333m (coll. PGY).

ParatyPes. China. 2 males, withthesamedataastheholotyPe; (coll. PGY) ; 1 male, fromthesamelocalityastheholotyPe, 16-17.VI.2009 (coll. G. Ronkay); 1 male, NorthYun- nan, DiqingTibetanAutonomousPrefecture, 8 kmNNEShangriLaatNairivillage, 3300 m, 14.VI.2009, leg. B. Benedek (coll. PGY) ; 1 female, Sichuan, 100 kmWofManiganggo, 3400 m, 26.VI.2004, leg. S. Nykl, slideNo. GYP1894 f (coll. PGY) ; 2 males, 4 females, Yunnan, Deqin , 3400 m, N28°30’, E98°55’, 30.V.-3.VI.2011, leg. J. Klir, slide No. GYP 3952m (coll. M. Dvořák) ; 2 males, fromthesamelocality, slideNosRL 11273m, RL 11274m (coll. L. Srnka) .

Diagnosis – WingsPan 32–34 mm, lengthofforewing 14–16 mm. Vesti- tureoftheheadandbody, groundcolourofwingsvariousshadesofbrown, costalmarginandaPicalPatchsomewhatlighter, antemedialandPostmedial crosslineswhitish, subterminallinePalewhitish-ochreous; orbicularstigma tiny, circular, reniformstigmaelliPtical, bothstigmatabrown, latterincom- Pletelywhitishencircled; claviformstigmadarkbrown.

ThenewsPecies ( Figs 7–10 ) differsfromtheeXternallymostsimilar D. ferrisparsa ( Figs 1–2 ) byitsPalergroundcolour, Particularlyinthefemales, moredistinctlymarkedandsomewhatdifferentlyshaPedantemedialand Postmedialcrosslines, moresinuousandlessdistinctlymarkedsubterminal line, andthesomewhatdarkerhindwinginnerareawithstrongermarked, lunulatediscalsPot.

Dicerogastraeuxoides iseasierdistinguishedfromtheotherHimalayan sPecies, D. costigerodes ( Figs 3–6 ) byitssmallersize (wingsPan 32–34 mmand 37–39 mm, resPectively), muchlessProminentforewingcostalstriPeand whitishdefinedantemedialandPostmedialcrosslines, themoresinuousand lesssharPlymarkedsubterminallineand, lastbutnotleast, bythealmost unicolorousbrownhindwingwithwell- visibledarkcellularlunule. Thedifferentialdiagnosisof D. euxoides and D. jensergabori isgivenundertheDiagnosisofthelattersPecies.

Malegenitalia ( Figs 19–22 ) – ComParingthemaleclasPingaPParatuses ofthethreecloselyrelatedsPecies, D. euxoides hasthesmallestcucullus, largestandmostventro- aPicallyProjectedamPulla, andthelongestsPinesatbase ofharPe. Additionally, thevesicaof D. euxoides isarmedbyveryshort, ter- minallyPositionedcornutifieldwhereasitismuchlongerintheothertwo sPeciesandneverlocatedatthePosteriorendofthevesica.

(Walker, 1857), holotyPe, BMNoct. 15787m, 23 = clasPingaPParatus; 24 = aedeagus

Femalegenitalia ( Figs 27–28 ) – Thefemalegenitaliaof D. euxoides differ fromthoseof D. jensergabori bythelackofsclerotisationfromthedistalPartof aPPendiXbursaeandthesomewhatshorter, mediallymoresclerotisedductus bursae; thedifferencesbetween D. euxoides andthetwosouthernHimalayan sPeciesarediscussedindetailundertheDiagnosisof D. costigerodes .

Distribution – ThenewsPeciesisknownfromthesouth-easternborders oftheTibetanPlateauinChina, fromYunnanandSichuan. Thisdistribution PatternhelPsthecorrectidentification, sincenosymPatricoccurrencewith thesouthernHimalayansPecieshithertodescribedisknown.

Etymology – ThesPecificnamereferstothesuPerficialsimilarityofthemalegeni- taliawiththoseofthe Euxoa Hübner, 1821 sPecies. TheverylongsPine- bundleandthe longPenicularhair- tuftresemblesinamacroscoPicviewthetwocharacteristicsclerotised Processes (amPullaandsacculareXtension) ofan Euxoa clasPingaPParatus.

Figures

Figs 1–8. Adults of Dicerogastra sPecies. 1–2 = Dicerogastra ferrisparsa (HamPson, 1894), 1 = lectotyPe, male (BMNH), 2 = labels of the lectotyPe; 3–4 = D. costigerodes (Poole, 1989), 3 = ParalectotyPe, male (BMNH), 4 = labels of the ParalectotyPe; 5–6 = D. costigerodes (Poole, 1989), 5 = lectotyPe, female (BMNH), 6 = labels of the lectotyPe; 7–8 = D. euxoides sP. n., 7 =

Figs 9–14. Adults of Dicerogastra and Feliniopsis sPecies. 9–10 = D. euxoides sP. n., 9 = Para- tyPe, female (GYP), 10 = labels of the ParatyPe; 11–12 = D. jensergabori sP. n., 11 = holotyPe, female (GYP); 12 = labels of the holotyPe; 13–14 = Feliniopsis albiflexura (Walker, 1857), 13 =

Figs 15–20. Male genitalia of Dicerogastra sPecies. 15–16 = Dicerogastra ferrisparsa (HamPson, 1894), RL11282m, 15 = clasPing aPParatus, 16 = aedeagus; 17–18 = D. costigerodes (Poole, 1989), RL11287m, 17 = clasPing aPParatus, 18 = aedeagus; 19–20 = D. euxoides sP. n.,

Figs 21–24. Male genitalia of Dicerogastra and Feliniopsis sPecies. 21–22 = D. euxoides sP. n., ParatyPe, RL11274m, 21 = clasPingaPParatus; 22 = aedeagus; 23–24 = Feliniopsisalbiflexura

Figs 25–29. Female genitalia of Dicerogastra sPecies. 25 = Dicerogastra ferrisparsa (HamPson, 1894), GYP4354f; 26 = D. costigerodes (Poole, 1989), lectotyPe, BM Noct. 15514f; 27 = D. euxoides sP. n., ParatyPe, GYP1894f; 28 = D. euxoides sP. n., ParatyPe, GYP4391f; 29 = D.