Microchelonus levigena, Papp, Jenő, 2016

Papp, Jenő, 2016, First Survey Of The Neotropical Species Of Microchelonus Szépligeti With Descriptions Of Twenty-Five New Species (Hymenoptera: Braconidae: Cheloninae), Acta Zoologica Academiae Scientiarum Hungaricae 62 (3), pp. 217-344 : 275-278

Microchelonus levigena sp. n.

(Figs 299–314)

Materialexamined (3 ff) – Femaleholotype: Peru, Junin, Satipo , takenwithMalaise trap, 21–24 January 1984, leg. L. Huggert. – Onefemaleparatype: HondurasAtlantida, LancetillaTela , 15˚43’N / 87˚27’W, takenwithMalaisetrapinlowlandrainforest, 30 April 1995 , leg. R. Cave. – Onefemaleparatye: CostaRica, Alajuela , 20 kmSfromUpala, 20–26 March 1991, leg. F. D. Parker.

Typescondition – Holotypeisingoodcondition: (1) micropinnedventrallybymesosoma, (2) ultimate (14th) flagellomereofleftantennamissing. Twofemaleparatypesare alsoingoodcondition: (1) gluedoncardpointbyitsrightmesopleuron (fromHonduras), (2) gluedbyitsrightmesosomalsidedirecttothepinand (3) rightflagellomeres 13–14 missing (fromCostaRica).

Typedepositories – Holotypeandoneparatype (fromHonduras) aredepositedin ZMLU, one paratype (from Costa Rica) in HNHM, Hym. Typ. No. 12240 .

Etymology – Thespeciesname “levigena” referstotheshinygenaofthehead.

Description of the female holotype – Body 3 mm long. Antenna short, about two-thirds lengthofbodyandwith 16 antennomeres. Scapethriceandpenultimateflagellomere 1.8 timesaslongasbroad (Fig. 301). – Headindorsalviewtransverse, clearlytwice (60:29) as broadaslong, eye 1.6 timeslongerthantemple, templereceded (Fig. 302). OOLone- third longerthanPOL, ocellismall. Eyeinlateralviewalmost 1.7 timesashighaswide, genabe- yondeyeweaklybroadeningventrallyandaswideaseye, hairpunctate, interpuncturesas largeastolargerthanpunctures, polished (Fig. 303). Clypeustwiceaswidebelowashigh medially, itslowermargintruncate (Fig. 299). Face 1.5 timesaswideashigh, transversely finelystriate, clypeusfinelypunctate (similartothatofgena), shiny. Malarspace 1.5 times longerthanbasalwidthofmandible. Vertexandocciputrathertransverselysubstriolate.

Mesosomainlateralviewstout, 1.2 timesaslongashigh, rugosetoscabrous. Notaulixdistinct. Scutellumrugose (cf. Fig. 82 ). Fourdenticulesofpropodealcarinasmall (cf. Fig. 293). Hindfemur 2.6 timesaslongasbroadmedially (Fig. 300). Hindbasitarsusaslongas tarsomeres 2–3 andone- thirdof 4thtarsomerecombined.

Forewingone- thirdshorterthanbody, i.e. 2.1 mmlong. Pterostigmawide, twiceas longaswide, issuing r fromitsmiddle, r short: 3–SR 2.6 timeslongerthan r, SR1 indistinctlyS-form (oralmoststraight), 1–R1 0.75 timesaslongaspterostigma (Fig. 304).

Carapaceindorsalview 2.1 timesaslongasbroad, moderatelybroadeningposteriorly, longitudinallystriated, interstriationsrugulose (Fig. 305), hindthirdofcarapacerugulosetouneven, dull. Hindendofcarapacerounded. Carapaceinlateralview 2.6 timesas Figs 301–314. 3 01–306. Microchelonuslevigena sp. n. (f, holotype): 301 = ultimatethreefla- gellomeres, 302 = headindorsalviewwithindicationofitssculpture, 303 = headinlateral viewwithindicationofitssculpture, 304 = distalpartofrightforewing, 305 = carapacein dorsalviewwithindicationofitssculpture, 306 = carapaceinlateralview. 307–314. Microchelonus masoni ( McComb, 1968) (f, paratype: 308, 309, 311, 312; f, m: 307, 310; m: 313, 314): 307 = headindorsalviewwithindicationofitssculpture, 308 = headinlateralviewwith indicationofitssculpture, 309–310 = ventralhalfofheadinfrontalview, 311 = scutellum, 312 = distal part of right fore wing, 313 = posterior third of carapace in dorsal view, 314 =

apicalforamenofcarapace.

longashighposteriorly, apicallytruncate (Fig. 306 seearrows). Carapaceapico-ventrally incurved, incurvedpartaslongashindbasitarsus (cf. Fig. 407). Ovipositorsheathshort, concealed.

Bodyblack. Antennablackish, scapeapicallyandpedicelfaintlyrusty. Palpipale. Tegulablackish, parategulabrown. Forelegyellow, coxaandfemurbrownish. Middleleg: coxablack, trochantersandtarsusyellow, femurdarkbrown, tibiabrownishyellowish. Hindleg: black (coxa) toblackish (femur + tibia), trochantersandtarsusyellow. Wings subhyaline, pterostigmadarkbrown, veinsyellowtolightbrown, brown.

Description of the two female paratypes – Similar to the female holotype. Body 4 mm long. Penultimateflagellomerecubic (fromHonduas). Forewing: pterostigma 2.1 timesas longaswide.

Maleandhostunknown.

Distribution – CostaRica, Honduras, Peru.

Taxonomic position – The new species, Micochelonus levigena , is close to M. cavei Pappviewingtheirmoreorlesssculpturedscutellum , fairlythickhind femurandshortcorporallength; thetwospeciesdifferfromeachotherbythe followingtraits:

1 (2) Carapaceindorsalviewglobose, 1.5 timesaslongasbroad, areolate- rugose ( Fig. 131 ). Templeindorsalviewreceded ( Fig. 129 ). Genasubstriolate (cf. Fig. 81 ). Forewing: pterostigma 2.2–2.3 timesaslongaswide ( Fig. 130 ). Carapaceinlateralview 2.9 timesaslongashighposteriorly, apicallyrounded ( Fig. 132 seearrows ). Legsyellowwithweakbrownish pattern. Antennaproximallyochreyellow, distallydarkeningbrown. f: 2.2–2.8 mm. – Costa Rica M. cavei Papp, 2010

2 (1) Carapaceindorsalviewnotglobose, 2.1 timesaslongasbroad, lon- gitudinallystriated (Fig. 305). Templeindorsalviewlessreceded (Fig. 302). Genafinelypunctate, interpunctatespolished (Fig. 303). Forewing: pterostigmatwiceaslongaswide (Fig. 304). Carapaceinlateralview 2.6 timesaslongashighposteriorly, apicallytruncate (Fig. 306). Legsbrown toblack(ish) withlesslightcolouredpattern. Antennablackish. f: 3.3 mm. – CostaRica, Honduras, Peru M. levigena sp. n.

Thenewspeciesrunsto M. lavernae (Ashmead) withthehelpofMc- Comb’skeytotheNearcticspeciesof Microchelonus ; thetwospeciesaresimilartoeachother, theirdistinctionrestrictstoafewfeatures:

1 (2) Templeindorsalviewsomewhatlessreceded, eye 1.6 timeslongerthan temple (Fig. 302). Forewing: pterostigmawide, twiceaslongaswide, issuing r fromitsmiddle (Fig. 304). Carapaceinlateralview 2.6 timesas longashighposteriorly, apicallytruncate (Fig. 306). Hindfemurthick, 2.6 timesaslongasbroad (Fig. 300). Notaulixdistinct. Palpipale, legs lessdarkcoloured. f: 3.3 mm M. levigena sp. n.

2 (1) Templeindorsalviewrounded, eye 1.2–1.3 timeslongerthantemple (Fig. 285). Forewing: pterostigmalesswide, 2.2–2.3 timesaslongas wide, issuing r distallyfromitsmiddle (Fig. 286). Carapaceinlateral view 3.2 timesaslongashighposteriorly, apicallyrounded (Fig. 287). Hindfemurlessthick, 2.9 timesaslongasbroad (Fig. 288). Notaulix weaklydistincttoindistinct. Palpibrownish, legsmoredarkcoloured. f: 3.2–3.8 mm M. lavernae (Ashmead, 1889)

Inthekeytothefemale Microchelonus species M. levigena runsto M. masoni (McComb) , see couplets 117 (118) – 119 (120).

Figures

Figs 75–87. 75–76. Microchelonus brasiliensis (Brues, 1912): 75 = distal part of right fore wing (fm), 76 = carapaceinlateralview. 77–87. Microchelonusbuscki (Viereck, 1912) (femaleholotype: 78, 81, 84, 85; female: 77, 79; female + male: 80, 82, 83, 86; male: 87): 77 = scape, pedicel andproximal / distalpartsofflagellomeres, 78 = headindorsalviewwithindicationofits sculpture, 79 = headindorsalview, 80 = clypeus, 81 = headinlateralviewwithindication of its sculpture, 82 = scutellum, 83 = distal part of right fore wing, 84 = hind femur, 85 = carapaceindorsalviewwithindicationofitssculpture, 86 = carapaceindorsalview, 87 =

Figs 128–139. 128–132. Microchelonus cavei Papp, 2010 (f, holotype): 128 = ultimate three flagellomeres, 129 = headindorsalviewwithindicationofitssculpture, 130 = distalpart ofrightforewing, 131 = carapaceindorsalviewwithindicationofitssculpture, 132 = carapaceinlateralview. 133–138. Microchelonusconstrictus Papp, 1999) (f, holotype): 133 = scapeandpedicel, 134 = flagellomeres 8–14, 135 = headindorsalviewwithindicationof itssculpture, 136 = hindfemur, 137 = distalpartofrightforewing, 138 = carapaceindorsal viewwithindicationofitssculpture. 139. Microchelonuscurticarinulus sp. n. (f,holotype):