Revision of the Western Palearctic Meteorini (Hymenoptera, Braconidae), with a molecular characterization of hidden Fennoscandian species diversity 3084 Author Stigenberg, Julia Author Ronquist, Fredrik text Zootaxa 2011 2011-10-28 3084 1 1 95 https://biotaxa.org/Zootaxa/article/view/zootaxa.3084.1.1 journal article 10.11646/zootaxa.3084.1.1 1175­5334 5244448 Key to European species of Meteorus : 1 Dorsope absent ( Fig. 18 ), sometimes weakly indicated ( Fig. 19 ), ventral borders of petiolar tergum (laterotergites) fused or almost joining in middle, from near the base of the petiolar tergum to its midpoint ( Fig. 20 ).......................... 2 Dorsope distinct; ( Fig. 21 ) ventral borders of petiolar tergum not joining or fused, usually widely separated ( Fig. 22 )..... 16 2 OOL=0.5–2 ( Fig. 23 ); ocelli large; often yellow/reddish coloured body........................................... 3 OOL=2–3 ( Fig. 24 ); ocelli small; often darker coloured body (except in colon where OOL=1.5–2 and body yellow to dark). 9 3 Petiolar tergum with the baso-ventral triangular area elongate; tergum fused subbasally ( Fig. 25 ); petiolar terum often with traces of dorsope ( Fig. 19 ).............................................................................. 4 Petiolar tergum fused ventrally from the base of the segment ( Fig. 26 ); petiolar tergum without traces of dorsopes ( Fig. 18 ). 8 4 Setae on clypeus long ( Fig. 27 ), clypeus short in hight and wide, protruding....................................... 5 Setae on clypeus short ( Fig. 28 ) or slightly longer than short; clypeus long, narrow and protruding..................... 6 5 Marginal cell of fore wing narrow and short ( Fig. 29 ); antennal articles of 24–28 ( 26–30); upper tooth of mandible long; malar space of 0.5– 0.8 times basal width of mandible; traces of dorsope on some specimens; colour varying.............................................................................................. M. rubens ( Nees, 1811 ) Marginal cell of fore wing wide and long ( Fig. 30 ); antennal articles of 30–32; malar space of 0.4 times basal width of mandible; traces of dorsope more or less distinct; body yellow............................ M. heliophilus Fischer 197 6 Body entirely black and rugose ( Fig. 31 ); malar space of equal or slightly longer than basal width of mandible; antennal articles of 25–27; OOL =1.2–1.5; ovipositor 1.5–2.0 times length of petiolar tergum...................................................................................................... M. acerbiavorus Belokobylskij et al. 2011 Body with some parts mostly yellow-coloured.............................................................. 7 7 Clypeus distinctly protruding, rounded ( Fig. 105 ); OOL =0.5 ( Fig. 32 ); setae on clypeus scattered; temples strongly contracted ( Fig. 32 ); length of ovipositor about 1.5–2.0 times length of petiolar tergum; antennal articles of 31–33.............................................................................................. M. lionotus Thomson, 1895 Clypeus with peculiar cushion-like shape, protruding but “flattened” ( Fig. 28 ); OOL =1.5; setae on clypeus dense and short; temples rounded; ovipositor 1.5–2.0 times length of petiolar tergum; antennal articles of 29–33................................................................................................ M. pulchricornis ( Wesmael, 1835 ) 8 Ovipositor slender, length 1.6–2.5 times petiolar tergum; eyes not protruding ( Fig. 113 ); temples rounded; clypeus as wide as face; base of petiolar tergum brownish or blackish; antennal articles of 27–30............ M. obsoletus ( Wesmael, 1835 ) Ovipositor rather thick and 1.4–2.0 times length of petiolar tergum; eyes protruding ( Fig. 132 ); base of petiolar tergum often pale yellow, almost translucent basally ( Fig. 33 ); antennal articles of 29–33.............. M. versicolor ( Wesmael, 1835 ) 9 Face forming a “shelf” ( Fig. 34 ); wings short and narrow, often infumate ( Fig. 35 ); face strongly convex; propodeum strongly reticulate–rugose, without distinct carinae; occipital carina interrupted medio-dorsally; body compact and dark brown ( Fig. 36 ); antennal articles of 23–26 ( 24–28) OOL =3................................. M. micropterus ( Haliday, 1835 ) Face without such shelf; wings longer and wider; body colour varying, often legs yellow; antennal articles of 21–34... 10 10 Mandibles stout, not twisted, clypeus rather flat ( Fig. 98 ); propodeum with strong anterior transverse carina and medial longitudinal carina ( Fig. 37 ); vein m–cu of fore wing distinctly antefurcal or interstitial; antennal articles of 21–27; pterostigma dark brown......................................................................................... 11 Mandibles small and more or less twisted ( Fig. 86 ); clypeus rather protruding; propodeum without anterior transverse carina or with a median longitudinal carina ( Fig. 38 ); vein m–cu of fore wing (sub) interstitial or postfurcal ( Fig. 39 ), exceptionally shortly antefurcal; antennal articles of 24–34; pterostigma variable.......................................... 12