Revision of the New World species of (Hymenoptera: Ichneumonidae: Sisyrostolinae), with a key to the world species Author Bennett, Andrew M. R. Author Sääksjärvi, Ilari E. Author Broad, Gavin R. text Zootaxa 2013 3702 5 425 436 journal article 10.11646/zootaxa.3702.5.2 645b24e2-8a65-42f3-96c4-545e6beb8665 1175-5326 247834 94DCD2A5-29BA-4AEC-9EF0-CD05E5D63653 Key to the world species of Erythrodolius ( Ichneumonidae : Sisyrostolinae) 1. Propodeum with area superomedia not surrounded by carinae, with only the posterior transverse carina present medially ( Fig. 10 )................................................................................................. 2 - Propodeum with area superomedia bordered by at least the posterior transverse carina and strong to weak vestiges of the medial, longitudinal carinae ( Figs 9, 11, 12 ) (anterior transverse carina present or absent medially)..................... 3 2(1). Clypeus medially with a long, strong, sharply pointed tooth that is well-defined by carinae from the lateral parts of the clypeus......................................................................... E. granulosus Seyrig ( Madagascar ) - Clypeus medially with a short, rounded tooth that is not defined laterally by carinae ( Fig. 6 )................................................................................................ E. incompletus sp. n. ( Guatemala ) 3(1). Mesoscutum predominantly dark brown, either completely or with a small amount of lighter colour near notauli and mediopos- teriorly ( Fig. 16 ). Fore wing with membrane uniformly coloured, without a dark region apically ( Figs 1 , 4 ).............. 4 - Mesoscutum predominantly light coloured (brownish yellow, orange or brownish red). Fore wing with membrane with or with- out a dark region apically ( Figs 2 , 3 )...................................................................... 5 4(3). Frons ( Fig. 5 ), scutellum and hind femur ( Fig. 1 ) predominantly brownish yellow. Propodeum with medial abscissa of anterior transverse carina present or absent................................... E. griffithsorum Gauld ( Costa Rica , Nicaragua ) - Frons ( Fig. 8 ), scutellum, and hind femur ( Fig. 4 ) completely dark brown. Propodeum with medial abscissa of anterior trans- verse carina present......................................................... E. tenebrosus sp. n. ( Mexico ) 5(3). Clypeus without a medial tooth on apical edge, but with about six, low crenulations instead........................... 6 - Clypeus with a medial tooth on apical edge or at least slightly protruding medially, but without crenulations ( Figs 5–8 )..... 7 6(5). Fore wing with a well-defined brown spot apically and a second brown region more basally, surrounding veins Rs&M and cu-a......................................................................... E. speciosus Seyrig ( Madagascar ) - Fore wing slightly darkened apically relative to base, but without a well-defined brown spot and lacking any dark area around veins Rs&M and cu-a........................................................ E. formosus Seyrig ( Madagascar ) 7(5). Propodeum with the lateral abscissae of the anterior transverse carina (costula) absent or weak (as in Fig. 10 )............. 8 - Propodeum with lateral abscissae of anterior transverse carina present and strong ( Fig. 11 )............................ 9 8(7). Fore wing hyaline basally with a well-defined dark region apically (as in Fig. 3 )........ E. meticulosus Seyrig ( Madagascar ) - Fore wing completely hyaline, without a well-defined dark region apically (as in Fig. 1 ).... E. dolosus Seyrig ( Madagascar ) 9(7). Flagellum dark brown to black basally with a well-defined, medial light-coloured band and then dark apically........... 10 - Flagellum red or yellow basally, darkening apically but without a medial, light-coloured band ( Fig. 3 )................. 11 10(9). Fore wing darkened apically and also with two medial infumate bands, one basal to the stigma (around vein Rs&M) and one apical to it including the vein 2rs-m (intercubitus of areolet)........................ E. scrupulosus Seyrig ( Madagascar ) - Fore wing with a dark spot apically, but lacking any darkened regions basally or medially (as in Fig. 3 ).......................................................................................... E. calamitosus Seyrig ( Madagascar ) 11(9). Tergites 4 to 7 dark brown. Fore wing only vaguely more infumate apically than basally (without a clearly defined dark spot)........................................................................... E. dubiosus Seyrig ( Madagascar ) - All metasomal tergites orange (laterotergites 3 and 4 may be brown). Fore wing with a clearly defined dark spot apically ( Fig. 3 )................................................................................................. 12 12(11). Metasomal laterotergites 3 and 4 brown ( Fig. 3 ). Ovipositor strongly upcurved and much shorter than length of metasoma.............................................................................. E. luteus sp. n. ( Honduras ) - Metasomal laterotergites 3 and 4 orange. Ovipositor straight and about two times as long as metasoma............................................................................................ E. maculosus Seyrig ( Madagascar )