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

publication ID

https://doi.org/ 10.17109/AZH.62.3.217.2016

persistent identifier

https://treatment.plazi.org/id/03BDD709-4078-843F-9CE1-FD8CFCF6FD9F

treatment provided by

Felipe

scientific name

Microchelonus levigena
status

sp. nov.

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 View Figs 75–87 ). 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 View Figs 128–139 ). Templeindorsalviewreceded ( Fig. 129 View Figs 128–139 ). Genasubstriolate (cf. Fig. 81 View Figs 75–87 ). Forewing: pterostigma 2.2–2.3 timesaslongaswide ( Fig. 130 View Figs 128–139 ). Carapaceinlateralview 2.9 timesaslongashighposteriorly, apicallyrounded ( Fig. 132 seearrows View Figs 128–139 ). 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).

R

Departamento de Geologia, Universidad de Chile

ZMLU

Lunds Universitet, Zoologiska Institutionen

HNHM

Hungarian Natural History Museum (Termeszettudomanyi Muzeum)

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Braconidae

Genus

Microchelonus

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