Microchelonus curtulus, 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 : 249-250

Microchelonus curtulus sp. n.

(Figs 154–160)

Materialexamined – Femaleholotype: CostaRica , Cartago, nearTuis, 3000 feet, 16–22 July 1993, leg. W. J. Hanson. – Holotype is in good condition: (1) glued direct to the pin by the side side of head and mesosoma, (2) right gena (of head) and right side of mesosoma invisibleowingtothemounting. HolotypeisdepositedinHNHM, Hym. Typ. No. 12233.

Etymology – ThenewspeciesreceivedtheLatinname “curtulus” (=short) referingto the short alar vein 1–R1 (cf. Fig. 146).

Description of the female holotype – Body 2.3 mm long. Antenna short, as long as head, mesosomaandhalfcarapacecombined, with 16 antennomeres. Scape 2.7 timesaslongas broadapically, firstflagellomere 3.2 timesaslongasbroad, penultimate 8–13 flagellom- erescubic (cf. Fig. 134 ). – Headindorsalviewtransverse, twiceasboadaslong, eye 2.3 timeslongerthantemple, templereceded (Fig. 154). OOL 1.5 timesaslongasPOL. Eyein lateralviewtwiceashighaswide, genabeyondeyefaintlybroadeningventrally, aswide aseye, polished (Fig. 155). Clypeus 1.6 timesaswidebelowashighmedially, itslower margintruncate, polished, laterallyuneven (cf. Fig. 434 ). Facefinelysubstriolate, shiny. Headabovepolished.

Mesosomainlateralview 1.4 timesaslongashigh. Mesoscutum, scutellumandmesopleuronrugose. Propodeumareolate- rugose, withouttransversecarina (Fig. 156). Hind femur 3.5 timesaslongasbroadmedially. Hindtibiathickening, distallyasbroadasfemur (cf. Fig. 165). Hindbasitarsusaslongastarsomeres 2–3 combined.

Forewingalmostaslongasbody. Pterostigma 2.5 timesaslongaswide, issuing r fromitsmiddle, 1–R1 short, half (0.5 times) aslongaspterostigma, 3–SR justlongerthan r (9:8), SR1 bent (cf Fig. 146).

Carapaceindorsalview 1.75 timesaslongasbroadposteriorly, basallysomewhat narrowing, longitudinallystriated, itsdowncurvedhindfourthpolished (Fig. 158). Cara- paceinlateralviewweaklycurved, 3.8 timesaslongashighposteriorly, apico-ventrally withaverysmalltubercule (Fig. 159 seearrow). Carapaceapico-ventrallysomewhatin- curved (Fig. 160). Ovipositorsheathshort, concealed.

Bodydarkcoloured. Scapeandpedicelochre, flagellumdarkbrown. Headdarkbrown, palpibrown. Mesosomablackishbrown, pronotumdarkrusty. Carapacedarkbrown. Legs brown, hindcoxadarkbrown, forelegochre. Wingshyaline, pterostigmabrown, veinslight brown.

Maleandhostunknown.

Distribution – Costa Rica.

Taxonomic position – The new species, Microchelonus curtulus , is closest to M. fulgens sp. n., thedistinctionbetweenthetwospeciesispresentedinthe keytothefemale Microchelonus species , seecouplets 13 (10) – 15 (14). – Also nearto M. politus sp. n., theirseparationseeat M. politus .

Figures

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):

Figs 428–439. 428–431.Microchelonussubplanus Papp, 1999 (f, holotype: 428; m, paratype: 430–431; f: 429): 428 = carapaceinlateralview, 429–430 = pterostigma + 1–R1 ofrightfore wing, 431 = carapaceindorsalview. 432–439. Microchelonussulcifera sp. n. (f, holotype: 432, 434, 436–437,439; f, paratype: 433, 435, 438): 432 = headindorsalviewwithindication ofitssculpture, 433 = headinlateralviewwithindicationofitssculpture, 434 = clypeus, 435 = middle tibia, 436 = hind femur + tibia, 437 = distal part of right fore wing, 438 = cara-