Microchelonus effusus Papp, 2010

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 : 251-253

Microchelonus effusus Papp, 2010

(Figs 171–178)

Microchelonuseffusus Papp, 2010: 166 fm, typelocality: CostaRica, Alajuela, 20 km SofUpala (3 f + 2 mparatypesfromfourotherlocalitiesinCostaRica, seePappl.c.), fe- maleholotypeandonefemaleparatypeinUSNM, twofemaleandtwomaleparatypesin HNHM; examined.

Additional features to the original description (Papp l.c.) – f. Body 3.5–4 mm long. Pe-

nultimateflagellomere 2.3–2.5 timesaslongasbroad (Fig. 171). Headindorsalview 1.9–2 timesasbroadaslong, eyetwicelongerthantemple, latterrounded, vertexandocciput transverselysubstriolated (Fig. 172). Eyeinlateralviewsomewhatwiderthangena (18:16), genafinelysubstriolated (Fig. 173). Forewing: pterostigma 2.2–2.3 timesaslongaswide and issuing r either from its middle (cf. Fig. 151) or distally from its middle, 1–R1 almost aslongaspterostigma (Fig. 174 seearrows). Carapacedistinctlybroadeningposteriorly, 1.8 timesaslongasbroad, areolate- rugose, apicallyrathertransverselyrugose (Fig. 175).

Fig. 170–181. 170. Microchelonusdanzas sp. n. (f, holotype): 170 = carapaceindorsalview. 171–178. Microchelonuseffusus Papp, 2010 (femaleholotype: 172–174,176; maleparatype: 171, 175, 177–178): 171 = penultimatethreeflagellomeres, 172 = headindorsalviewwith indicationofitssculpture, 173 = headinlateralviewwithindicationofitssculpture, 174 = distalpartofrightforewing, 175 = carapaceindorsalviewwithindicationofitssculpture, 176 = carapaceinlateralview, 177 = apicalforamenofcarapace, 178 = posteriorthirdof carapaceinlateralview. 179–181. Microchelonusegregicolor (Viereck, 1905) (female): 179 = distalpartofrightforewing, 180 = propodealcarinaindorsalview, 181 = carapaceindorsalviewwithindicationofitssculpture.

Carapaceinlateralview 2.6–2.7 timesaslongashighposteriorly, apicallytruncate (Fig. 176 see arrows).

m. Similartothefemale. Apicalforamenofcarapaceelliptic, 1.8 timesaswideashigh (Fig. 177). ApicalendofcarapaceinlateralviewasinFig. 178.

Distribution – Costa Rica.

Taxonomicposition – Inthekeytothefemale Microchelonus species M. effusus runsto M. buscki (Viereck) and M. pyriformis Papp , seecouplets 38 (43) – 42 (41). In the key to the male Microchelonus species M. effusus runs to M. jamaicus sp. n., seecouplets 29 (28) –31 (30). Intheoriginaldescription M. effusus is related to M. cephalanthi (McComb) and M. lavernae (Ashmead) ( PAPP 2010: 168–169) .