Microchelonus mccombi, 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 : 279-280

publication ID	https://doi.org/ 10.17109/AZH.62.3.217.2016
persistent identifier	https://treatment.plazi.org/id/03BDD709-407C-843D-9CED-FEFEFC1BFE20
treatment provided by	Felipe
scientific name	Microchelonus mccombi
status	sp. nov.

Treatment

Microchelonus mccombi sp. n.

(Figs 497–507)

Materialexamined – Femaleholotype: Honduras, Olancho, Catacamas , 15˚50’N / 85˚ 51’W, takenwithMalaisetrapinlowlandgalaryforest, 1 February 1996, leg. R. Cave. – Holotypeisingoodcondition: (1) gluedoncardpointbyitsrightmesopleuron, (2) left antennamissing, (3) middlepairoflegssomewhatlessvisibleowingtothemounting. HolotypeisdepositedinZMLU .

Etymology – ThenewspeciesisdedicatedtoDrCharlesWightMcComb (1930–2015), firstreviseroftheNearcticspeciesof Chelonus (Microchelonus) anddescriberofninetynew speciesinthisgenus.

Description of the holotype – Body 3 mm long. Antenna somewhat shorter than body (2.6 mmlong) andwith 16 antennomeres. Firstflagellomerelong, 3.5 timesaslongasbroad, furtherflagellomeresgraduallyshorteningsothatpenultimateflagellomere 1.5 timesaslongas broad (Fig. 497). – Headindorsalviewtransverse (Fig. 498), twiceasbroadaslong, eyealso twicelongerthantemple, templereceded. Ocellismallandelliptic, OOLsomewhatlonger thanPOL (10:8). Eyeinlateralview 2.1 timesashighaswide, genabeyondeyeevenlywide andeye 1.3 timeswiderthangena, genawiththickeningsubstriolation, subshiny (Fig. 499). Clypeus 1.7 timesaswidebelowashighmedially, itslowermargintruncate (Fig. 501), rugulose (somewhatweakerthanthatofface). Face 1.9 timesaswideashigh, rugose (Fig. 500). Malarspaceaslongasbasalwidthofmandible. Vertexandocciputsubstriolate (Fig. 499).

Mesosomainlateralviewstout, 1.2 timesaslongashigh, rugosetoscabrous-areolate. Notaulixindistinct. Scutellumrugose (cf. Fig. 82 View Figs 75–87 ). Transversecarinaofpropodeum distinct, itsfourdenticulessmall (Fig. 502). Hindfemur 2.9 timesaslongasbroadmedially (Fig. 503). Hindbasitarsusaslongastarsomeres 2–4 combined.

Forewingaboutone- quartershorterthanbody (2.3 mmlong). Pterostigmawide, twiceaslongaswide, issuing r fromitsmiddle, r 1.4 timesaslongas 3–SR, SR1 faintlySform (oralmoststraight), 1–R1 long, 0.85 timesaslongaspterostigma (Fig. 504).

Carapaceindorsalviewbelly, 1.6 timesaslongasbroadsomewhatposteriorly, an- teriorlysomewhatlessparallelstriated, posteriorlydenselyrugo-rugulose, dull, apically rounded (Fig. 505). Carapaceinlateralview 2.6 timesaslongashighposteriorly, apically declivous (Fig. 506). Carapaceapico-ventrallyslightlyincurved, incurvedpartaslongas thirdtarsomereofhindleg (Fig. 507).

Bodyblack, anteriorhalfofcarapacepaleyellow. Scape, pedicelandflagellomeres 1–3 yellow, flagellomeres 4–5 darkeningandrestofflagellumblackish. Palpipaleyellow. Tegulabrown, parategulayellow. Coxae 1–2 andtrochanters 1–3 paleyellow, coxa 3 black; femori + tibiae + tarsi 1–2 yellowwithbrownish, brownpattern, hindfemurblack, tibia + tarsusbrown, tibiabasallypaleyellow. Wingssubhyaline, aroundpterostigmabrownish fumous. Pterostigmablackishbrown, veinsyellowtobrownish.

Maleandhostunknown.

Distribution – Honduras.

Taxonomic position – The new species, Microchelonus mccombi , is closest to M. blackburni (Cameron) consideringtheircommonfeatures: templeindorsal viewreceded (Figs 55, 498), carapacebasallyyellow, anteriorlystriatedand posteriorly densely rugo-rugulose (Figs 62, 505), 1–R1 of fore wing 0.75 times aslongaspterostigma (Figs 58, 504), scapeandflagellumproximallymoreor lessyellow; thetwospeciesaredistinguishedbythefollowingtraits: