Annotated key to the genera of Mymaridae (Hymenoptera: Chalcidoidea) in Argentina Author Albarracin, Erica Luft Author Triapitsyn, Serguei V. Author Virla, Eduardo G. text Zootaxa 2009 2129 1 28 journal article 10.5281/zenodo.188324 faf1bbc9-f05d-4fc2-8a76-e84fcbbce423 1175-5326 188324 Key to the genera of Mymaridae in Argentina (females) 1 Tarsi 3-segmented ( Fig. 1 ).............................................................................................. Kikiki Huber & Beardsley - Tarsi 4-or 5-segmented ............................................................................................................................................ 2 2 Tarsi 5-segmented.................................................................................................................................................... 3 - Tarsi 4-segmented.................................................................................................................................................. 13 3(2) Metasoma broadly sessile ( Figs 2, 3 ) or subsessile (in Litus Haliday with petiole wider than long and not evident in dry specimens)..................................................................................................................................................... 4 - Metasoma constricted at base, with petiole of varied length, but evident in dry specimens ( Fig. 31 ) ................... 8 4(3) Funicle 5-segmented ( Fig. 4 ), posterior margin of forewing excised behind venation ( Fig. 5 ). Alaptus Westwood - Antennal funicle 6- or 7-segmented; posterior margin of forewing not or little excised behind venation ............. 5 5(4) Head and mesosoma strongly sculptured; metasoma subsessile (petiole wider than long and not evident in dry specimens) ( Fig. 3 ); funicle 6-segmented........................................................................................... Litus Haliday - Head and mesosoma very weakly sculptured; metasoma sessile; funicle 6- or 7-segmented ................................ 6 6(5) Antennal scape with 2 or 3 setaceous teeth; mandible blade-like, with a tooth and a little denticle, projected downward and not overlapping ( Fig. 6 ); funicle 7-segmented......................................................... Dicopus Enock - Antennal scape without setaceous teeth; mandible bidentate, overlapping each other; funicle 6- or 7-segmented. ................................................................................................................................................................................. 7 7(6) Forewing narrow and elongate, anterior and posterior margins almost parallel; occiput slightly emarginate medi- ally ( Fig. 2 ); funicle 7-segmented (F2 sometimes ring-like)............................................... Callodicopus Ogloblin - Forewing elongately spatulate; occiput forming an acute V-shaped emargination; funicle 6- or 7-segmented (F2 sometimes ring-like). ......................................................................................................... Dicopomorpha Ogloblin 8(3) Funicle 4- or 5-segmented....................................................................................................................................... 9 - Funicle at least 6-segmented ................................................................................................................................. 10 9(8) Fully winged; venation extending over 0.5 length of forewing ( Fig. 7 ); ocelli present, stemmaticum quadrate; occipital carina absent; pronotum, mesoscutum and scutellum not transverse ............................... Arescon Walker - Wingless; ocelli absent; stemmaticum absent; occipital carina present; pronotum, mesoscutum and scutellum transverse, 2.5-3.0 x as wide as long (only winged males known from Argentina ; similar to males of Arescon , but in Myrmecomymar stemmaticum absent).................................................................... Myrmecomymar Yoshimoto 10(8) Funicle 6- or 7-segmented; if 7-segmented, second segment ring-like, much shorter than first segment ........... 11 - Funicle 8-segmented ( Fig. 8 )................................................................................................................................. 12 11(10) Mandible with 2 teeth..................................................................................................... Camptopteroides Viggiani - Mandible with 1 tooth ........................................................................................................... Camptoptera Foerster 12(10) Dorsellum rhomboidal or strap-shaped, with its posterior margin straight ......................... Gonatocerus Nees s. l. - Dorsellum mostly strap-shaped but with posterior margin angulate medially, with a little projection ( Fig. 9 ) ....... ................................................................................................................................................ Gahanopsis Ogloblin 13(2) Clava 3-segmented ( Fig. 10 ) ................................................................................................................................. 14 - Clava 1- or 2-segmented........................................................................................................................................ 15 14(13) Fully winged...................................................................................................................... Neostethynium Ogloblin - Wingless ................................................................................................................ Notomymar Doutt & Yoshimoto 15(13) Clava 1-segmented ................................................................................................................................................ 19 - Clava 2-segmented ............................................................................................................................................... 16 16(15) Marginal vein with hypochaeta about midway between proximal and distal macrochaetae ( Fig. 11 ); propodeum strongly sloping relative to scutellum and with a median longitudinal carina ( Fig. 12 ) ....... Anaphes Haliday , part - Marginal vein with hypochaeta next to proximal macrochaeta; propodeum almost in same plane as scutellum and smooth ................................................................................................................................................................... 17 17(16) Scutellum longitudinally divided by a distinct median groove ( Fig. 13 ); forewing usually strongly expanded api- cally ( Fig. 14 ) ................................................................................................................... Schizophragma Ogloblin - Scutellum entire or at most longitudinally divided posteriorly by a faint median groove; forewing at most slightly expanded apically .................................................................................................................................................. 18 18(17) Clava usually with apical finger-like projection ( Fig. 15 ); mandibles reduced; scutellum often longitudinally divided posteriorly by a faint median groove ......................................................................... Omyomymar Schauff - Clava rounded, without apical finger-like projection ( Fig. 16 ); mandibles not reduced; scutellum undivided........ .............................................................................................................................................. Cleruchus Enock , part 19(15) Venation almost 0.5 length of forewing ( Fig. 17 ) ............................................................... Australomymar Girault - Venation less than 0.33 length of forewing ........................................................................................................... 20 20(19) Funicle 8-segmented................................................................................................. Ptilomymar Annecke & Doutt - Funicle 6-segmented, rarely 5-segmented (in Erythmelus ( Parallelaptera ) rex (Girault) and sometimes in minute specimens of subgenus Erythmelus Enock s. str.) ................................................................................................. 21 21(20) Metasoma sessile or subsessile (petiole wider than long) ( Figs 2, 3 ) ................................................................... 22 - Metasoma markedly petiolate (petiole of varied length, but always longer than wide) ( Fig. 31 ). ....................... 25 22(21) Metasoma with apical sternite much larger than preceeding sternite, forming a distinct, V-shaped hypopygium often extending slightly beyond apex of gaster ( Fig. 18 ); mandibles reduced to minute stubs ................................ ..................................................................................................................................................... Erythmelus Enock - Metasoma with apical sternite similar to preceeding sternites, short and inconspicuous; mandibles normal, over- lapping and with 3 teeth......................................................................................................................................... 23 23(22) Marginal vein with hypochaeta about midway between proximal and distal macrochaetae ( Fig. 11 ); propodeum strongly sloping relative to scutellum and with a medial longitudinal carina ( Fig. 12 ); body usually black or very dark brown............................................................................................................................. Anaphes Haliday , part - Marginal vein with hypochaeta next to proximal macrochaeta; propodeum almost in same plane as scutellum and smooth; body usually yellow, gray, light brown or brown, sometimes dark brown.............................................. 24 24(23) Pronotum entire; scutellum clearly divided into anterior and posterior parts and the posterior part longitudinally divided by a median groove ( Fig. 19 ); face evenly convex in lateral view................................... Anagrus Haliday - Pronotum divided medially; scutellum entire ( Fig. 20 ); face in lateral view usually angular, strongly receding below toruli........................................................................................................................... Cleruchus Enock , part 25(21) Scutellum divided medially by a longitudinal groove ( Fig. 21 ) ....................................... Tetrapolynema Ogloblin - Scutellum entire..................................................................................................................................................... 26 26(25) Toruli almost touching vertex, very close to transverse trabecula (much less than 1 torular diameter) ( Fig. 22 ) .... ................................................................................................................................................ Neomymar Crawford - Toruli separated from transverse trabecula by at least 1 torular diameter ( Fig. 23 ).............................................. 27 27(26) Forewing broadly spatulate ( Fig. 24 ); stigmal vein with a short apical RS-process ( Fig. 25 ).................................. ............................................................................................................................................. Parapolynema Fidalgo - Forewing shape different, not broadly spatulate; stigmal vein without an apical process .................................... 28 28(27) Basal vein indicated by distinct, curved darkening of membrane ( Fig. 26 )...................... Xenopolynema Ogloblin - Basal vein not indicated ........................................................................................................................................29 29(28) Face with distinct V-shaped subantennal grooves ( Fig. 23 ).................................................................................. 30 - Face without subantennal grooves or with subparallel subantennal grooves (in Stephanodes Enock ) ................ 31 30(29) Head about as wide as mesosoma; forewing without narrowing of the blade beyond venation, marginal vein rela- tively short ( Figs 23 , 27 ).................................................................................................... Kalopolynema Ogloblin - Head very large and high, markedly wider than mesosoma; forewing with a narrowing of the blade beyond vena- tion, marginal vein relatively long ( Fig. 28 )...................................................................... Platypolynema Ogloblin 31(29) Metatibia with conspicuous, strong setae at least as long as width of metatibia ( Fig. 29 ). Cnecomymar Ogloblin - Metatibia without such setae (setae shorter than width of metatibia) ................................................................... 32 32(31) Antennal funicle segments 5 and 6 about as wide as clava ( Fig. 30 )….. ..................................... Erdosiella Soyka - Antennal funicle segments 5 and 6 much narrower than clava ............................................................................. 33 33(32) Petiole attached to gastral tergum.......................................................................................................................... 34 - Petiole attached to gastral sternum........................................................................................................................ 36 34(33) Propleura not abutting anteriorly, thus prosternum “open”; face without a pit next to each torulus ........................ ........................................................................................................................................... Polynema Haliday s. str. - Propleura abutting each other anteriorly along the midline, thus prosternum “closed”; face with a pit next to each torulus .................................................................................................................................................................... 35 35(34) Propodeum either smooth or with a median carina, or sometimes with transverse wrinkles ................................... ................................................................................................................ Polynema (subgenus Doriclytus Foerster ) - Propodeum with two subparallel submedian carinae connected by a transverse carina near anterior margin of propodeum .............................................................................................................................. Polynemula Ogloblin 36(33) Propodeum medially with V-shaped median carina of various size and shape ( Figs 31, 32 ) ................................... .......................................................................................................................................... Acmopolynema Ogloblin - Propodeum either smooth of with a median carina............................................................................................... 37 37(36) Scape with rasp-like sculpture ( Fig. 33 ).................................................................................... Stephanodes Enock - Scape either smooth or serrate (with cross-ridges) ....................................................... Agalmopolynema Ogloblin