Microchelonus flavicoxa, 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 : 256-259

Microchelonus flavicoxa sp. n.

(Figs 198–209)

Materialexamined (3 ff) – Femaleholotype + onefemaleparatype: CostaRica , Carta- go, nearTuis, 3000 m, 16–22 July 1993, leg. S. Keller (holotype) andW.J. Hanson (paratype). Onefemaleparatype: CostaRica , Limon, 7 milesfromNorthGuacimo, takenwithMalaise trap, 22 February – 3 March 1988, leg. F. D. Parker. – Holotypeisingoodcondition: (1) glued directtothepinbyitsrightmesopleuron, (2) ultimaterightfour (11–14) flagellomeresmissing. Twoparatypesarealsoingoodcondition: (1) gluedlikeholotype, (2) oneparatype: ultimaterightandlefttwo (13–14) flagellomeresmissing. Holotypeandtwoparatypesare depositedintheHNHM, Hym. Typ. No. 12235 (holotype) and 12236–12237. (paratypes).

Etymology – Thespeciesnameflavicoxareferstotheyellow (middle) coxa.

Description of the female holotype – Body 3.5 mm long. Left antenna one- fourth shorter thanbody (3 mmlong), with 16 antennomeres. Firstflagellomerefourtimesandpenultimateflagellomere 1.5 timesaslongasbroad, flagellomeres 11–12 subcubic (14:11, Fig. 198). – Headindorsalviewtransverse, twiceasbroadaslong, eyealmosttwice (19:11) longer thantemple, templerounded (Fig. 199). OOLone- thirdlongerthanPOL. Eyeinlateral view 1.9 timesashighaswide, genabeyondeyebroadeningventrallyandaswideaseye, fairlystronglysubstriatedwithanastomoses, subshiny (Fig. 200 seearrows). Clypeus 1.35 timesaswidebelowashighmedially, denselyanddistinctlypunctate, itsventralmargin justconvex (Fig. 201). Faceroughlyrugose, vertexandocciputtransverse, fronsrather longitudinallyandsomewhatroughlysubstriated (Fig. 199).

Mesosomainlateralview 1.35 timesaslongashigh, scabrous. Notaulixindistinct. Scutellumwithstrongstriae (Fig. 202). Hindfemurthick, 2.9 timesaslongasbroadmedi- ally, hindtibiaalsothickanddistallyasbroadasfemur (cf. Fig. 39 seearrows ). Hindbasi- tarsusaslongastarsomeres 2–4 andone- thirdof 5thtarsomerecombined.

Forewingclearlyone- thirdshorterthanbody (2.7 mmlong). Pterostigma 2.3 timesas long as wide, isuing r from its middle and just shorter than 3–SR (9:10), SR1 straight, 1–R1 long, 0.85 timesaslongaspterostigma (Fig. 204 seearrows).

Figs 198–209. Microchelonusflavicoxa sp. n. (f, holotype: 198–207, f, paratype: 208–209): 198 = ultimatefiveflagellomeres, 199 = headindorsalviewwithindicationofitssculpture, 200 = headinlateralviewwithindicationofitssculpture, 201 = clypeus, 202 = scutellum, 203 = propodealcarinaindorsalview, 204 = distalpartofrightforewing, 205 = carapacein dorsalviewwithindicationofitssculpture, 206 = carapaceinlateralview, 207 = carapace inventralview, 208 = hindhalfofheadindorsalview, 209 = distalpartofrightforewing.

Carapaceindorsalview 2.1 timesaslongasbroad, evenlyandmoderatelybroaden- ingantero-posteriorly, apicallyrounded, longitudinallystriatedwithlittleanastomoses, interstriationsuneven, subshiny, itsposteriorfourthrugo-rugulose (Fig. 205). Carapacein Figs 210–223. 210–215. Microchelonus flavopax Papp, 2010 (f, holotype: 211–212, 214, f, paratype: 210, m, paratype: 213, 215): 210 = scutellum, 211 = headindorsalview, 212 = headinlateralview, 213 = distalpartofrightforewing, 214 = carapaceindorsalviewwith indicationofitssculpture, 215 = carapaceindorsalview. 216–223. Microchelonusfodicus sp. n. (f, holotype): 216 = headindorsalviewwithindicationofitssculpture, 217 = headin lateralviewwithindicationofitssculpture, 218 = clypeus, 219 = scutellum, 220 = propodeal carinaindorsalview, 221 = distalpartofrightforewing, 222 = carapaceindorsalviewwith indicationofitssculpture, 223 = carapaceinlateralview.

lateralview 3.4 timesaslonghighposteriorly, itshindenddeclivous (Fig. 206 seearrows). Carapaceapico-ventrallysomewhatincurved, i.e. ventralcavityofcarapacenearlyaslong ascarapaceitself (Fig. 207 seearrow). Ovipositorsheathshort, concealed.

Bodyblack. Scapeandpedicelyellow, flagellomeres 4–6 ochre. Palpibrownish. Tegulablack, parategulabrown. Forecoxalightbrownishyelowish, middlecoxayellow, hind coxablack. Foreleg: trochantersyellow, femurbrownish, tibialightbrownish. Middleand hindlegs: trochanterspaleyellow, femorablack, tibiablackish. Tarsipaleyellowwithdark suffusion. Wingshyaline, pterostigmabrown, basallyyellow, veinslightbrowntobrown.

Description of the two female paratypes – Similar to the holotype. Body 3 mm long (one paratype) and 4.2 mm (oneparatype). Forewing: r and 3–SR equalinlength (oneparatype) orpterostigma 2.2 timesaslongaswide, r halfaslongas 3–SR (5:10), 1–R1 0.75 timesas longaspterostigma (oneparatype, Fig. 209 seearrows). Hindfemur 2.6 times (onepara- type) and 2.7 times (oneparatype) aslongasbroadmedially. Coxae 1–2 yellow (onepara- type). Carapaceindorsalview 1.9 times (oneparatype) andtwice (oneparatype) aslongas broadposteriorly. Carapaceapicallywithoutsmallforamen.

Maleandhostunknown.

Distribution – Costa Rica.

Taxonomic position – In the key to the Nearctic species of Microchelonus ( McComb 1968) thenewspecies, M. flavicoxa , runsto M. paululus (McComb) and M. cushmani (McComb) , seekey-couplet 76. Thenewspeciesisnearest to M. hurdi (McComb) , thedistinctionbetweenthemispresented (quotations afterMcComb 1968: 73–74):

1 (2) Scutellum “polishedmedially, rugulosealongitslateralmargins.” Clypeus “sparselyandweaklypunctate.” Forewing: 1– R1 short, 0.4 times aslongaspterostigma. Carapacesomewhatglobose, 0.7 timesasbroad aslong. Femoratestaceous , flagellomeres 4–5 black. f: 2.6 mm. – USA: California M. hurdi ( McComb, 1968)

2 (1) Scutellumwithstrongstriae (Fig. 202). Clypeusdenselyanddistinctly punctate (Fig. 201). Forewing: 1–R1 long, 0.7–0.8 timesaslongaspterostigma (Figs 204, 209). Carapacenotglobose, 0.3–0.5 timesasbroadas long (Fig. 205). Femoreblackishtoblack, flagellomeres 4–5 brownishyellowish. f: 3–4.2 mm. – Costa Rica M. flavicoxa sp. n.

Inthekeytothefemale Microchelonus species M. flavicoxa runsto M. shenefelti (McComb) , see couplets 130 (125) – 132 (131).

Figures

Figs 32–45. 32–34. Microchelonus aperon sp. n. (f, holotype): 32 = distal part of right fore wing, 33 = carapaceindorsalviewwithindicationofitssculpture, 34 = carapaceinlateral view. 35–44. Microchelonusavron sp. n. (m, holotype): 35 = headindorsalviewwithindica- tionofitssculpture, 36 = clypeus, 37 = headinlateralviewwithindicationofitssculpture, 38 = propodealcarinaindorsalview, 39 = hindfemur + tibia, 40 = distalpartofrightfore wing, 41 = carapaceindorsalviewwithindicationofitssculpture, 42 = carapaceinlateral view, 43 = apicalforamenofcarapace, 44 = posteriorthirdofcarapaceinventralview. 45. Microchelonusbermus sp. n. (m, holotype): 45 = capaceinlateralview.