Braco discoideus Wesmael, 1838: 45 Bracon discoideus Bracon ( Glabrobracon ) discoideus Glabrobracon B. variator Nees Bracon ( Glabrobracon ) discoideus Wesmael, 1838 Bracon ( Glabrobracon ) batis Papp, 1981 Bracon ( Glabrobracon ) epitriptus Marshall, 1885 Bracon discoideus A revision of the Bracon Fabricius species in Wesmael’s collection deposited in Brussels (Hymenoptera: Braconidae: Braconinae) Papp, Jenő Xviii, Budapest European Journal of Taxonomy 2012 2012-09-14 21 1 154 N3MN Wesmael, 1838 Wesmael 1838 [491,1097,579,606] Insecta Braconidae Bracon Animalia Hymenoptera 15 16 Arthropoda species discoideus Glabrobracon   Figs 5B-K, 6A-C      Braco discoideus Wesmael, 1838: 45♀ (type material: four ♀♀), type locality: “environs de Bruxelles” ( Belgium), ♀ lectotype(and three ♀ paralectotypes, present designations) in the Royal Belgian Institute of Natural Sciences, Brussels; examined.   Bracon discoideus– Szépligeti 1901: 267(in key, in Hungarian); 1904 (1901): 177 (in key, in German).  Bracon( Glabrobracon) discoideus- Fahringer 1927: 261 ( ♀), 290 ( ♀), 304 (♁) (in key) and 1928: 455 (redescription), assigned to ”Section  Glabrobracon”. — Telenga 1936: 151( ♀) 155 (♁) (in key), 219 (redescription) (in Russian) and 354 ( ♀), 358 (♁) (in key, in German). — Shenefelt 1978: 1567(literature up to 1974). — Tobias 1986: 134(supposed synonymy with  B. variatorNees, in footnote).   Fig. 6. — A-C.  Bracon( Glabrobracon) discoideus Wesmael, 1838, ♀. A. Second submarginal cell of forewing. B. Tergites 2-3. C. Second tergite. — D-G.  Bracon( Glabrobracon) batis Papp, 1981, ♀ holotype. D. Head in dorsal view. E. Hind femur. F. Claw. G. Tergites 1-3. — H-K.  Bracon( Glabrobracon) epitriptus Marshall, 1885, ♀ paralectotype. H. Head in dorsal view. I. Hind femur. J. Claw. K. Tergites 1-3.   Designation of the ♀ lectotypeof  Bracon discoideus  ( Firstlabel, printed) “ Coll. Wesmael”, (second label, printed) “2058”, (third label) “ Braco discoideusmihi ♀” (handwritten) “dét. C. Wesmael” (printed), (fourth label, printed red) “ Type”, fifth label is with the inventory number “3.317”, sixth label is the locality card “ Belgique/ Bruxelles” attached by me, seventh label is the lectotypecard. Lectotypeis in poor condition: (1) head with antenna missing, (2) costal / subcostal vein of right fore wing medially damaged.   Designations of the three paralectotypesof  Bracon discoideus All three specimens with similar labels to those of the lectotype. First paralectotypeis in poor condition: (1) metasoma missing; (2) both antennae damaged, right flagellum with 13 and left flagellum with 15 flagellomeres; (3) hind right leg entirely and distal two-thirds of fore left wing missing. Second paralectotypeis in less poor condition, missing: left antenna (right antenna not damaged, with 23 flagellomeres), tarsus of right middle leg and left hind leg (except coxa + trochanters).Third paralectotypeis in very poor condition: (1) head and metasoma missing; (2) left fore wing missing; (3) left hind leg, left middle leg (except coxa) and tarsomeres 2-5 of left fore leg missing (i.e. present are only the three right legs).    Material examined  39 ♀♀+ 5 ♁♁ from eleven countries: SCOTLAND: 7 ♀♀from four localities. ENGLAND: 9 ♀♀+ 1 ♁ from nine localities. THE NETHERLANDS: 1 ♀. FRANCE:1 ♁. GERMANY: 8 ♀♀+ 1 ♁ from nine localities. AUSTRIA: 1 ♀. BOHEMIA: 1 ♀+ 1 ♁ from two localities. SLOVAKIA: 1 ♁. HUNGARY: 7 ♀♀from seven localities. ITALY: 3 ♀♀from three localities. BULGARIA: 2 ♀♀from two localities.    Redescription of the ♀ lectotypeof  Bracon discoideus HEAD. Missing LENGTH. Body, or meso- and metasoma combined, 2.3 mmlong. The following description is based on one ♀specimen identical to the ♀ lectotype(taken in Italy, Riva s. Garda, 150 m, G / 10 Sep. 67, leg. Haeselbarth; specimen in the Budapest Museum). LENGTH. Body length is 2.5 mm. ANTENNAE. Somewhat shorter than body, right antenna with 23 and left antenna with 22 antennomeres. First flagellomere 2.3 times, further flagellomeres gradually shortening so that penultimate flagellomere 1.8 times as long as broad. HEAD. In dorsal view transverse ( Fig. 5B), 1.75 times as broad as long, eye 1.4 times as long as temple, temple rounded, occiput excavated. Eye in lateral view one-fourth wider than width of temple beyond eye ( Fig. 5C, see arrows). Oral opening usual in size, its horizontal diameter 1.4 longer than shortest distance between opening and compound eye ( Fig. 5D). Head polished. Antenna and head black, oral opening and oral organs yellow. MESOSOMA. In lateral view 1.4 times as long as high, polished. Notaulix weakly distinct. Propodeum polished, close above lunule with short crenulae ( Fig. 5E). LEGS. Hind femur 3.8 times as long as broad ( Fig. 5F). Claw downcurved, its basal lobe pointed ( Fig. 5G). WINGS. Forewing about one-third longer than meso- and metasoma combined. Pterostigma ( Fig. 5H) wide, 2.75 times as long as wide, issuing  rproximallyfrom its middle,  rsomewhatshorter than width of pterostigma; submarginal cell fairly long, 3-SR1.45 times as long as 2-SR, SR1straight, 1.6 times as long as 3-SRand reaching tip of wing ( Fig. 5H). First discal cell fairly high, 1-M1.9 times as long as m-cu, 1-SR-Malmost straight and 1.35 times as long as 1-M( Fig. 5I). TERGITES ( Fig. 5J). First tergite somewhat longer than broad behind, pair of spiracles before middle of tergite, beyond spiracles tergite slightly broadening; tergite laterally from scutum crenulate. Scutum together with further tergites polished. Second tergite 2.7 times as broad behind as long, suture between tergites 2-3 weakly bisinuate. Second tergite somewhat longer than third tergite. Hypopygium pointed, end of ovipositor as in Fig. 5K. COLOUR. Mesosoma brownish black, tegula yellow. First tergite brownish, ground colour of tergites testaceous, medially with faint brownish streak. Sternites pale yellow. Legs yellow, hind coxa faintly brownish. Wings brownish subfumous, pterostigma brownish, veins light brownish.   Variable features of the ♀( 39 ♀♀) Body (2-)2.5-2.8(-3.2) mm long. Antenna with 21-31, usually 24-26, antennomeres. Penultimate flagellomere (1.6-)1.7-1.8 times as long as broad. Head in dorsal view (1.7-)1.8-1.9 times as broad as long, temple somewhat receded ( 2 ♀♀, cf. Fig. 64D). Pterostigma wide, 2.4 times as long as wide ( 5 ♀♀, cf. Fig. 42D); second submarginal cell long, 3-SR1.7-1.8 times longer than 2-SR( 3 ♀♀, Fig. 6A). Metasoma somewhat less broad, second tergite 1.3 times longer medially than third tergite also medially ( 7 ♀♀, Fig. 6B); second tergite antero-medially longitudinally rugulose ( 4 ♀♀, Fig. 6C, cf. Figs 12H; 64H). Ovipositor sheath long, as long as hind tibia + tarsus combined ( 2 ♀♀).   Description of the ³ (5 ³³) Body 2.6-3.2(-3.8) mm long. Antenna about as long as to somewhat longer than body and with 27-29 antennomeres. Flagellomeres long, 1.7-2 times longer than broad. Head in dorsal view 1.75-1.8 times as broad as long; temple either rounded ( Fig. 5B) or slightly receded (cf. Fig. 12I). Fore wing: 3-SR1.35- 1.45 times as long as 2-SR. First tergite 1.2 (cf. Fig. 42F) to 1.3 times (cf. Fig. 38H) as long as broad behind.    Hosts COL. Cerambycidae:?  Saperda populneaLinnaeus. Curculionidae:  Anthonomus pomorumLinnaeus,  Balanobius pyrrhocerasMarsham,  Ceutorhynchus quadridensPanzer,  Curculio cruxFabricius,  C. nucumLinnaeus,  C. salicivorusPaykul,  Pissodes notatusFabricius,  Rhynchites pauxillusGermar. Attelabidae:  Byctiscus betulaeLinnaeus,  B. flavipesRatzeburg,  B. populiLinnaeus.— LEP. Heliozelidae:  Heliozela sericellaHaworth. Lithocolletidae: Phyllono-rycter rajellaLinnaeus. Tortricidae:  Adoxophyes oranaFischer von Röslerstamm,  Eulia ministranaLinnaeus,  Rhyacionia buolianaDenis et Schiffermüller.— DIPT. Agromyzidae:?  Agromyza lateralisFallén. Chloropidae:?  Chlorops pumilionsBjerk.— HYM. Tenthredinidae:  Nematus salicisLinnaeus,  N. viminalisLinnaeus,!  Pontania bridgmanniCameron,!  P. foetidaeKopelke,!  P. pedunculiHartig,!  P. proximaLepeletier,!  P. variaKopelke. Cynipidae:  Biorrhiza pallidaOlivier.    Distribution Western Palaearctic Region.   Taxonomic position Within the subgenus  Glabrobraconthe following species form the  Bracon discoideusspecies-group characterized by the long second tergite (i.e. second tergite longer than third tergite):  B. batisPapp ( Hungary),  B. discoideusWesmael(western Palaearctic Region),  B. epitriptusMarshall(Palaearctic Region),  B. pulcherBengtsson( Sweden, Denmark, Germany, Austria, Poland, Hungary) and  B. subsinuatusSzépligeti (Europe). The five species are distinguished by the following key features: 1 (4) Head in dorsal view less transverse, 1.6-1.7(-1.75) times as broad as long, temple usually strongly rounded ( Fig. 6H) to receded ( Fig. 6D). 2 (3) Hind femur 2.9-3 times as long as broad medially ( Fig. 6E). Claw less downcurved ( Fig. 6F). Second tergite clearly, 1.3 times longer laterally than third tergite medially, smooth ( Fig. 6G). Pterostigma yellow. ♀: 3.7 mm........................................................................................  B.( Gl.) batis Papp, 1981 3 (2) Hind femur 3.5-4 times as long as broad more or less distally ( Fig. 6I). Claw downcurved ( Fig. 6J). Second tergite slightly longer than third tergite, anteriorly more or less rugulose(-rugose) ( Fig. 6K). Pterostigma brown to light brown. ♀♁: 2.6-4.5 mm...........................  B.( Gl.) epitriptus Marshall, 1885 4 (1) Head in dorsal view transverse, (1.7-)1.8-1.9 times as broad as long, temple either rounded or receded ( Figs 5B; 7B, D). 5 (6) Scutum of first tergite broad, i.e. rim of first tergite narrow and densely crenulated ( Fig. 7C). Ovipositor sheath long, twice longer than hind tibia + basitarsus combined. Pronotum and mesoscutum blackish with yellow or reddish yellow pattern. ♀♁: 2.5-3.5mm...........  B.( Gl.) pulcherBengtsson, 1924 6 (5) Scutum of first tergite less broad, i.e.rim of first tergite less narrow and less densely crenulated ( Figs 5J; 7E). Ovipositor sheath less long, at most as long as hind tibia + basitarsus combined. Mesosoma entirely black.   Fig. 7. — A.  Bracon( Lucobracon) guttiger Wesmael, 1838, ♀, propodeum. — B-C.  Bracon( Glabrobracon) pulcherBengtsson, 1924(♀ paralectotype). B. Head in dorsal view. C. Tergites 1-3. — D-G.  Bracon( Glabrobracon) subsinuatus Szépligeti, 1901, ♀. D. Head in dorsal view. E. Tergites 1-3. F. Hind femur. G. Claw. — H.  Bracon( Lucobracon) larvicida Wesmael, 1838, ♀, hypopygium and ovipositor apparatus. — I.  Bracon( Lucobracon) sphaerocephalus Szépligeti, 1901, ♀, head in frontal view. 7 (8) Second tergite somewhat(1.1-1.2 times) longer than third tergite, usually polished ( Fig. 5J), at most finely sculptured anteriorly( Fig.6C).Temple in dorsal view rounded( Fig.5B). Hind femur3.6-3.8 times as long as broad ( Fig. 5F). Claw somewhat more downcurved ( Fig. 5G). ♀♁: (2-) 2.5-3.2 mm.......... ........................................................................................................  B.( Gl.) discoideus Wesmael, 1838 8 (7) Second tergite clearly (1.3-1.4 times) longer than third tergite; second tergite anteriorly sculptured ( Fig. 7E). Temple in dorsal view rather receded ( Fig. 7D). Hind femur 3-3.1 times as long as broad ( Fig. 7F). Claw somewhat less downcurved ( Fig. 7G). ♀♁: 2.5-3.5 mm............................................. ......................................................................................................  B.( Gl.) subsinuatus Szépligeti, 1901