Microchelonus curticarinulus, 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 : 246-249

publication ID	https://doi.org/ 10.17109/AZH.62.3.217.2016
persistent identifier	https://treatment.plazi.org/id/03BDD709-405F-8422-9CE7-FD7CFDA6FB75
treatment provided by	Felipe
scientific name	Microchelonus curticarinulus
status	sp. nov.

Treatment

Microchelonus curticarinulus sp. n.

( Figs 139 View Figs 128–139 –153)

Materialexamined (1 f + 1 m) – Femaleholotype: CostaRica, Alajuela , 20 kmSfrom Upala , 20–26 March1991, leg. F. D. Parker. Maleparatype: Honduras, Yoro, PalodeCombo , 15˚11’N / 87˚39’W, 5 August 1995, leg. R. Cave. – Holotypeisingoodcondition: (1) glued directtothepinbytherightsideofmesosoma, (2) rightforewingmissing. Paratypeisin fairlygoodcondition: (1) gluedoncardpointbytherightsideofmesosoma, (2) leftflagellumdeficient: presentflagellomeres 1–7. HolotypeisdepositedinHNHM, Hym. Typ. No. 12250; paratypeinZMLU .

Etymology – Thenewspeciesreceivedthename “curticarinulus” referingtotheshort carinuleapico-dorsallyoncarapace (Fig. 147).

Description of the female holotype – Body 3.5 mm long. Antenna short, as long as head andmesosomacombined, with 16 antennomeres. Scapesomewhatglobose, 2.3 timesas longasbroad (Fig. 140). Firstflagellomere 3.6 timesaslongasbroad, penultimateflagellomerealmost 1.5 timeslongerthanbroad. – Headindorsalviewtransverse, twiceas broadaslong, eye 1.9–2 longerthantemple, templereceded (Fig. 141). OOLsomewhat longerthanPOL (10:8). Eyeinlateralview 1.8 timesashighaswide, genabeyondeye broadeningventrallyandjustbroaderventrallythaneye, fairlydisperselytodensely punctate, interpunctureslongertoshorterthanpunctures (Fig. 142). Clypeus 1.8 timesas widebelowashighmedially, itslowermarginmediallytruncate, punctate: interpunctures shorterthanpunctures, subshiny (cf. Fig. 434 View Figs 428–439 ). Face, frons, vertexandocciputtransversely substriolate (Fig. 141).

Mesosomainlateralview 1.4 timesaslongashigh, scabrous. Mesoscutumwithno- taulix. Scutellumuneven- subrugulose (Fig. 143). Lateralpairofdenticulesofpropodeal carinastrongerthanmedianpair (Fig. 144). Hindfemurthick, 2.4 timesaslongasbroad medially, hindtibiaalsothick: distallyasbroadasfemur (Fig. 145 seearrows). Hindbasi- tarsusaslongastarsomeres 2–4 combined.

Forewingone- fourthshorterthanbody (2.6 mmlong). Pterostigmawide, twiceas long as wide, issuing r from its middle, 3–SR 1.8 times as long as r (11:6), SR1 straight, 1–R1 0.6 timesaslongaspterostigma (Fig. 146 seearrows).

Carapaceindorsalview 2.1 timesaslongasbroadmedially, posteriorlyconicule- shape, fairlystronglystriatedwithanastomoses, interstriationsrugulose ( Fig. 139 View Figs 128–139 ); apico- Figs 140–153. Microchelonuscurticarinulus sp. n. (femaleholotype: 140–149, maleparatype: 150–153): 140 = scapeandpedicel, 141 = headindorsalviewwithindicationofitssculpture, 142 = headinlateralviewwithindicationofitssculpture, 143 = scutellum, 144 = propodeal carinaindorsalview, 145 = hindfemur + tibia, 146 = distalpartofrightforewing, 147 = posteriorthirdofcarapaceindorsalview, 148 = carapaceinlateralview, 149 = carapace inventralview, 150 = ultimatethreeflagellomeres, 151 = pterostigma + 1–R1 ofrightfore wing, 152 = carapaceinlateralview, 153 = apicalforamenofcarapace.

dorsallywithashortandweakcarinulus (Fig. 147). Carapaceinlateralview 2.8 times aslongashighposteriorly, itsapicalendincurved (Fig. 148 seearrows). Apico-ventral incurvedpartofcarapacedeepandaboutaslongashindfirsttwotarsomeres (Fig. 149 see arrows). Carapaceapicallywithoutforamen. Ovipositorsheathshort, concealed.

Groundcolourofbodyblack. Scapeandpediceltestaceous, flagellumbrownish black. Palpiandtegulapaleyellow. Legsyellow, coxae 1–2 brownish, coxa 3 black, hindfe- Figs 154–169. 154–160. Microchelonus curtulus sp. n. (f, holotype): 154 = head in dorsal view, 155 = headinlateralview, 156 = propodeum, 157 = hindfemur, 158 = carapacein dorsalviewwithindicationofitssculpture, 159 = carapaceinlateralview, 160 = posterior fourthofcarapaceinventralview. 161–169. Microchelonusdanzas sp. n. (f, holotype): 161 = headindorsalviewwithindicationofitssculpture, 162 = headinlateralviewwithin- dicationofitssculpture, 163 = clypeus, 164 = propodealcarinaindorsalview, 165 = hind femur + tibia, 166 = distalpartofrightforewing, 167 = carapaceinlateralview, 168 = apical foramenofcarapace, 169 = posteriorfourthofcarapaceinventralview.

murblack, hindtibiaapicallydarkbrownishtoblackish, tarsistrawyellow. Wingshyaline, pterostigmadarkbrown, veinsyellowtolighbrownish.

Description of the male paratype – Similar to the female holotype. Body 3 mm long. Antennaaslongashead, mesosomaandanteriorfourthofcarapacecombined, with 20 antennomeres, penultimateflagellomerejustcubic (11:10). Scutellumrugose. Hindfemur thick, 2.5 timesaslongasbroadmedially, hindtibiaasbroaddistallyasfemur (Fig. 145). Forewing: pterostigma 2.5 timesaslongaswide, 1–R1 long: 0.8 timesaslongpterostigma (Fig. 151). Carapaceapico-dorsallywithoutcarinulus. Apicalforamenofcarapacelesselliptic, 1.6 timesaswideashigh (Fig. 153). Carapaceinlateralview 2.6 timesaslongashigh posteriorly (Fig. 152 seearrows). VentralcavitiyofcarapaceasinFig. 149.

Distribution – CostaRica, Honduras.

Taxonomic position – The new species, M. curticarinulus , is closest to M. refluus Pappviewingtheirlessstrongsculptureofcarapace ( Figs 139 View Figs 128–139 , 390 View Figs 385–397 ), apico-ventrallydistinctlyincurvedcarapace (Fig. 149) andhindlegdarkcoloured; distinctionoftheirfemalesisasfollows:

1 (2) Carapaceapico-dorsallywithashortandlessdistinctcarinulus (Fig. 147). Forewing: pterostigmawide, twiceaslongaswide, 1–R1 0.6 times aslongaspterostigma (Fig. 146). Scutellumuneven- subrugulose (Fig. 143). Templeindorsalviewstronglyrounded, eye 2.5 timeslongerthan temple, fronswithoutbentcarinulus (Fig. 141). Carapacewithoutpairof maculae. f: 3.5 mm. – CostaRica, Honduras M. curticarinulus sp. n.

2 (1) Carapaceapico-dorsallywithoutcarinulus ( Fig. 390 View Figs 385–397 ). Forewing: pterostigmalesswide, 2.8(–3.3) timesaslongaswide, 1–R1 0.75 timesaslong aspterostigma ( Fig. 389 View Figs 385–397 ). Scutellumscabrous ( Fig. 387 View Figs 385–397 ). Templeindorsal viewrounded, eye 1.6 timeslongerthantemple, fronswithabentcarinulusbetweenhindocellusandeye ( Fig. 384 View Figs 374–384 ). Carapacewithapairofstraw yellowmaculae. f: 4.8–4.9 mm. – Honduras M. refluus Papp, 2010

Inthekeytothefemale Microchelonus species M. curticarinulus runsto M. refluus Papp , M. sulcifera sp. n. and M. fodicus sp. n., see couplets 23 (32) – 31 (28). – In the key to male Microchelonus species it runs to M. avron sp. n. and M. topali Papp , see couplets 4 (9) – 8 (7).