Microchelonus johni ( Marsh, 1979 )

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 : 268-270

Microchelonus johni ( Marsh, 1979)

(Figs 263–275)

Chelonus (Microchelonus) johni Marsh, 1979: 14 (description, Figs 7, 9) fm, type locality: Palmira , Colombia, holotypeis (andfivefemale + sixmaleparatypesare) deposited inUSNM; examined 1 fand 1 mparatypes.

Microchelonus johni (Marsh) : PAPP 1999: 185, 191, 194 (in keys, comb. n.)

Material examined (22 ff + 4 mm, in HNHM: 11 ff + 2 mm, in ZMLU: 4 ff, 7 ff + 2 mm in DEUU): * Costa Rica – 1 f: Alajuela, 20 km S from Upala , 1–10 August 1991, leg. F. D. Parker ; 8 ff: SanJosé, Escazu, 8 February 1987 (2 ff) and 34 January – 13 May 1988 (6 ff), takenwithMalaisetrap, leg. F. D. Parker ; 3 ff + 1 m: Guanacastle, LaTabogaForest ResearchStation , 9 kmSWfromCañas, takenwithMalaisetrap, 18 March – 30 April 1987 (3 ff) and 17–27 February 1987 (1 m), leg. W. L. Rubink. 2 ff: Guanacastle, 14 km S from Cañas, takenwithMalaisetrap, 1–5 Marchand 7–10 October 1989, leg. F. D. Parker. 1 f + 2 m: Guanacastle , 3 kmSEfromRioNaranjo, 12 November 1991 (1 f) and 1–25 April 1992 (2 mm), leg. F. D. Parker. 1 f: Guanacastle, FincaMantezuma , 3 kmSEfromRioNaranjo, takenwithMalaisetrap, 2 May 1992, leg. F. D. Parker. 2 mm: Guanacastle , SCañasExperimentStation, takenwithMalaisetrap, 8–18 March 1988, leg. F. D. Parker. 1 f: Puntarenas, Quepos , 13 February 1987, leg. G. E. Bohart. * Honduras – 1 f: LaCeiba , 25 February 1979, leg. G. E. Bohart. 1 f: Olancho, Catacamas , 15˚50’N / 85˚51’W, takenwithMalaisetrap, 14 November 1995, leg . R. Cave. 2 ff: Yoro, PalodeComba, 15˚11N / 87˚39’W, takenwith Malaisetrap , 12 and 27 September 1995, leg . R. Cave. * Mexico – 1 f: BajaCaliforniaNorte, 10 kmNfromPuntePrieta, takenwithMalaisetrap, 20 March 1986, leg . R. R. Parmenter .

Additional features to the original description (Marsh l.c.) – f. Body 3–3.2 mm long. Pe- nultimateflagellomere 1.1–1.3(–1.6) timesaslongasbroad (Fig. 263a–b). – Headindorsal viewtransverse, twiceasbroadaslong, eye 1.3 timeslongerthantemple, templerounded, frons-vertex-occiputfinelysubstriolated (Fig. 264). Genainlateralview 1.3 timeswider thaneye, substriolationasinFig 265a–b. Cheekinfrontalviewslightlymorerounded (i.e. Figs 257–271. 257–262. Microchelonus jamaicus sp. n. (m, holotype): 257 = scutellum, 258 = hindfemur, 259 = carapaceindorsalviewwithindicationofitssculpture, 260 = carapacein lateralview, 261 = apicalforamenofcarapace, 262 = posteriorthirdofcarapaceinventral view. 263–271. Microchelonus johni ( Marsh, 1979) (f, paratype: 263a, 264, 265a, 266, 268, 269; f: 263b, 265b, 267; m: 270, 271): 263 = ultimatethreeflagellomeres (a = fparatype, b = f), 264 = headindorsalviewwithindicationofitssculpture, 265 = headinlateralviewwith indicationofitssculpture (a = f, paratype, b = f), 266–267 = scutellum (266 = f, paratype, 267 = f), 268 = hind femur, 269 = distal part of right fore wing, 270 = posterior half of head indorsalview, 271 = hindfemur.

lessconverging, Fig. 272 seearrows). Scutellumvariablysmoothwithhairpunctures (cf. Fig. 279), rugose (Fig. 266) to rugulose (Fig. 267). Hind femur 3.1–3.3 times as long as broad medially (Fig. 268). Forewing: pterostigma 2.6(–2.1) timesaslongaswide, issuing r distallyfromitsmiddle, 1– R 1 0.7–0.8 timesaslongaspterostigma (Figs 269, 273 seearrows). Carapaceindorsalviewtwiceaslongasbroadposteriorly, striatedwithmuchanastomoses, apicallytransverselysubstriolated (Fig. 274). Carapaceinlateralview 2.9 timesaslong ashighposteriorly, apicallytruncate (cf. Fig. 306).

m. Similartothefemale. Body 2.8–3.1 mmlong. Templeindorsalviewslightlyless rounded (Fig. 270). Hindfemur 2.8 timesaslongasbroadmedially (Fig. 271). Forewing: pterostigmawide, 2.1 timesaslongaswide (Fig. 273 seearrows). Apicalforamenofcara- paceelliptic, 1.4–1.5 timesaswideashigh (Fig. 275).

Host – Scrobipalpula sp. (Lep., Gelechiidae ).

Distribution – Colombia, *CostaRica, * Honduras, * Mexico.

Taxonomic position – According to the describer (Marsh l.c.) it is similar to M. kellieae (Marsh) . Inthekeytothefemale Microchelonus species M. johni runs to M. ormos sp. n., see couplets 68 (67) – 70 (69), to M. blackburni (Cameron) , see couplets 96 (99) – 98 (97) as well as to M. angustus sp. n., M. phthorimaeae (Ga- han) and M. topali Papp , seecouplets 104 (109) – 109 (104). Inthekeytothemale Microchelonus species it runs to M. kellieae (Marsh) , see couplets 45(40) – 48 (49).