Mymaridae
Creators: name: Albarracin, Erica Luft
name: Triapitsyn, Serguei V.
name: Virla, Eduardo G.
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Mymaridae

description: 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
description: Published as part of Albarracin, Erica Luft, Triapitsyn, Serguei V. & Virla, Eduardo G., 2009, Annotated key to the genera of Mymaridae (Hymenoptera: Chalcidoidea) in Argentina, pp. 1-28 in Zootaxa 2129 on pages 12-14, DOI: 10.5281/zenodo.188324