1	Fore wing with vein 2M very short, its anterior half very close to anterior half of vein 2RS, in a way that obliterates most of space of second submarginal cell (Figs 160b, 205a, c); antenna very short, 0.5 × body length, and not surpassing posterior margin of mesosoma (Figs 160e, 205a–c), and body not distinctly flattened dorsoventrally, and pro- and meso- femora yellow, and pterostigma relatively broad, its length less than 2.7 × its width [Distribution: Canada (ON), Costa Rica (ACG), Mexico and US (FL)]	samarshalli species-group [2 species]
–	Fore wing with vein 2M completely separated from vein 2RS (as in Fig. 4b); antenna usually as long or longer than body length, at least surpassing posterior margin of mesosoma; if antenna shorter (i.e., not surpassing posterior margin of mesosoma), then body distinctly flattened dorsoventrally (as in Fig. 203a), and/or profemur (partially or entirely) and mesofemur dark brown to black, and/or pterostigma usually relatively narrow, its length more than 3.0 × its width	2
2(1)	Ovipositor sheaths extremely short, 0.3 × or less metatibia length (Figs 138a, c); T2 relatively large, its median length 0.7–0.9 × as long as T3 median length (Fig. 138f); T1 mostly smooth (except for 2–3 small carinae centrally); body with extensive yellow-orange coloration (all legs except for metatarsus and posterior 0.2 of metatibia, tegula and humeral complex, all laterotergites and sternites, hypopygium)	Apanteles leonelgarayi Fernández-Triana, sp. n.
–	Ovipositor sheaths at least 0.4 × as long as metatibia (usually much more than that); T2 median length much shorter than T3 median length (almost always 0.5 × or less); T1 almost always with some sculpture; body color variable	3
3(2)	Hypopygium with a relatively wide but short fold, restricted to posterior 0.4–0.5 of hypopygium length, where no pleats are visible (or, rarely, at most with a single, weakly marked pleat); ovipositor short and slightly to strongly curved downwards (Figs 36a, c); ovipositor sheaths very short (0.4–0.5 × as long as metatibia, Fig. 36c); relatively small size, body length and fore wing length not surpassing 2.5 mm	4
–	Hypopygium usually with large fold and numerous pleats, if rarely with no visible pleats or just one pleat, then ovipositor relatively long and thick, not strongly curved downwards, and/or ovipositor sheaths longer than 0.5 × metatibia length (usually much longer), and/or body length and fore wing length surpassing 2.5 mm	5
4(3)	Pterostigma white (Fig. 36b); glossa elongate; antenna much shorter than body, not extending beyond mesosoma (Fig. 36a)	Apanteles aidalopezae Fernández-Triana, sp. n.
–	Pterostigma brown, with small pale spot at base (Fig. 96b); glossa not elongate; antenna usually as long as body or slightly shorter (extending beyond mesosoma)	carlosrodriguezi species-group [3 species]
5(3)	Head entirely orange (except for black interocellar area and/or small spot on upper part of gena), anteromesoscutum, scutellar disc, and axillar complex completely or almost completely orange (Figs 37, 135, 139, 163)	6
–	Head mostly black to dark brown (except for clypeus and labrum, which may be yellow-orange) or head black with gena partially white; anteromesoscutum and scutellar disc usually black to dark brown, at most with relatively small yellow or orange spots	9
6(5)	Mesopleuron and mesosternum dark brown to black, except for upper anterior and/or lower posterior corners of mesopleuron which are orange (Figs 37a, 163a)	7
–	Mesopleuron either completely orange, or mostly orange (upper anterior 1/3 dark brown to black), mesosternum fully orange (Figs 135a, 139a)	8
7(6)	Mesoscutellar disc smooth (Fig. 163g); all mediotergites dark brown to black (Fig. 163g); tarsal claws pectinate	Apanteles waldymedinai Fernández-Triana, sp. n.
–	Mesoscutellar disc mostly punctured (Fig. 37e); T1 mostly orange and T3 partially yellow (Fig. 37e); tarsal claws with one basal spine-like seta	Apanteles alejandromasisi Fernández-Triana, sp. n.
8(6)	T1 mostly white except for small black spot posteriorly (Fig. 135f); all laterotergites, most sternites, and hypopygium white; scutoscutellar sulcus almost obliterated, with less than 4 small impressions (Fig. 135f); propodeal areola open basally and without transverse carinae; tarsal claws pectinate	Apanteles juliodiazi Fernández-Triana, sp. n.
–	Metasoma entirely black (Fig. 139f); scutoscutellar sulcus not obliterated, with 5–6 small impressions (Fig. 139f); propodeal areola closed basally and with transverse carinae extending to spiracle; tarsal claws with one basal spine-like seta	Apanteles luisgaritai Fernández-Triana, sp. n.
9(5)	Head with gena partially white (Figs 155a, d)	Apanteles rogerblancoi Fernández-Triana, sp. n.
–	Head with gena entirely black	10
10(9)	Tarsal claws pectinate, or cleft with a basal spine [Hosts: Hesperiidae, Pyrginae]	11
–	Tarsal claws either simple or with 1–2 basal spine-like setae	12
11(10)	T1 coarsely sculptured with longitudinal and transverse striation; T2 with some sculpture, especially along posterior margin (Fig. 119f); tarsal claws cleft and with a basal spine	Apanteles garygibsoni Fernández-Triana, sp. n.
–	T1 smooth, at most with fine sculpture along lateral margins; T2 smooth and polished (Fig. 87e); tarsal claws pectinate	calixtomoragai species-group [3 species]
12(10)	Smaller individuals, body length 1.6–2.2 mm, and fore wing length 1.8–2.4 mm; and body distinctly flattened (as in Figs 203a, 204a) or T1 length >3.5 × its posterior width (as in Figs 106g, 107f, 108f, 203g)	13
–	Larger individuals, body length and fore wing lengths usually more than 2.5 mm; if rarely less than 2.5 mm, then body not distinctly flattened and T1 length <3.5 × its posterior width	17
13(12)	All legs, including coxae (except for small spot on anterior 0.2 of metacoxa), entirely yellow or whitish-yellow (Figs 83a, c, g)	Apanteles bettymarchenae Fernández-Triana, sp. n.
–	At least metacoxa completely, and part of femora and tibiae, with dark brown to black coloration	14
14(13)	Antenna as long as or longer than body length; T1 strongly narrowing toward apex from its apical half — ratio of T1 basal width/T1 apical width >2.0 × and ratio of T1 length/T1 apical width >3.5 × (Fig. 106g); body not distinctly flattened; parasites of leaf-mining Lepidoptera. [Hosts: Gracillariidae, Lyonetiidae. Distribution: Costa Rica (ACG), Guadeloupe, Puerto Rico]	coffeellae species-group [4 species]
–	Antenna shorter, its length at most 0.7 × body length, usually much less; T1 usually narrowing toward apex less strongly — ratio of T1 basal width/T1 apical width <2.0 ×, ratio of T1 length/T1 apical width usually <3.5 × (Figs 203g, 204g); body distinctly flattened dorsoventrally (as in Figs 203a, 204a); parasites of non-mining Lepidoptera	15
15(14)	Smooth area on lateral face of scutellum very narrow and small, its maximum height at most 0.2 × lateral face height (Fig. 67e); hypopygium inflexible, without any fold [Hosts: Tortricidae]	Apanteles anapiedrae Fernández-Triana, sp. n.
–	Smooth area on lateral face of scutellum at least 0.4 × lateral face height (usually much more) (Fig. 122f, 203g, 204g); hypopygium with a translucid median fold with at least one pleat visible	16
16(15)	Propodeal areola open anteriorly, elongate and more or less parallel-sided (Figs 203g, 204g), its maximum width (at around half of propodeum length) <1.3 × its width at posterior end (nucha); hypopygium with a wide median fold with usually four or more visible pleats [Hosts: stem-boring Crambidae]	diatraeae species-group [3 species]
–	Propodeal areola clearly closed anteriorly and widening centrally, its maximum width (at around half of propodeum length) >1.5 × its width at apex (nucha); hypopygium with a translucid median fold with 1–3 visible pleats [Hosts: leaf-folder Crambidae]	guadaluperodriguezae species-group [2 species]
17(12)	Hypopygium with outer margin inflexible, without a median fold (as in Figs 51c, 56c), or hypopygium with a median, transparent, semi-desclerotized fold with none or very few (usually 1–3) pleats occupying just outermost area of fold (as in Figs 52c, 55c)	18
–	Hypopygium with outer margin with a wide median, transparent, semi-desclerotized fold, with 4 or more pleats occupying most or whole fold (as in Fig. 145d)	23
18(17)	Ovipositor relatively thick, as thick or thicker than width of median flagellomerus, and with basal width 3.0–5.0 × its apical width posterior to constriction (Figs 51c, 52a, c, 54c, 56c)	anabellecordobae species-group [14 species]
–	Ovipositor relatively thin, thinner than width of median flagellomerus, and with basal width <2.0 × its apical width after constriction (as in Figs 68a, c, 142c)	19
19(18)	T1 mostly smooth (Fig. 156g); T1 slightly widening from anterior margin to 0.7–0.8 × mediotergite length (where maximum width is reached), then narrowing towards posterior margin	Apanteles rolandovegai Fernández-Triana, sp. n.
–	T1 mostly sculptured, at least on posterior half (Figs 68g, 142f); T1 more or less parallel-sided for its entire length, or parallel-sided for 0.5–0.7 × its length then narrowing posteriorly so mediotergite anterior width >1.1 × posterior width (Figs 68g, 142f)	20
20(19)	T1 length 1.4 × its width; fore wing length 3.3 mm	Apanteles marialuisariasae Fernández-Triana, sp. n.
–	T1 length at least 2.3 × its width; fore wing length at most 2.8 mm	21
21(20)	All coxae, profemur partially, and meso- and metafemora completely, dark brown to black (Fig. 68a); mesoscutellar disc mostly smooth (Fig. 68g); hypopygium with outer margin inflexible, without a median fold	Apanteles andreacalvoae Fernández-Triana, sp. n.
–	At least pro- and mesocoxae (and usually metacoxa), pro- and mesofemora, and most of metafemur (except for apical 0.2 or less), yellow to orange (Figs 99a, c, 149a, c); mesoscutellar disc mostly punctured, or with punctures near margins and centrally smooth (Figs 99g, 149f); hypopygium with a median, transparent, semi-desclerotized fold with none or very few (usually 1–3) pleats occupying just outermost area of fold	22
22(20)	Flagellomerus 14 1.0 × as long as wide; scutoscutellar sulcus with 9 impressed pits; tarsal claws with one basal spine-like seta; T1 length 2.3 × its width; T2 with some sculpture near its posterior margin (Fig. 149f)	Apanteles oscarchavesi Fernández-Triana, sp. n.
–	Flagellomerus 14 at least 1.6 × as long as wide; scutoscutellar sulcus with 5–6 impressed pits; tarsal claws simple; T1 length at least 3.2 × its width; T2 mostly smooth (Fig. 99g)	carloszunigai species-group [2 species]
23(17)	T2 broadly rectangular, its apical width 2.2 × or less than its median length (as in Figs 38e, 39g, 40f, 105g, 112f)	24
–	T2 transverse and relatively narrow, its apical width 2.5 × or more its median length	26
24(23)	Ovipositor relatively thick (Fig. 112c), as thick or thicker than width of median flagellomerus, and with basal width 3.0–5.0 × its apical width posterior to constriction [Hosts: Hesperiidae. Distribution: ACG]	Apanteles diegotorresi Fernández-Triana, sp. n.
–	Ovipositor relatively thin (as in Fig. 38a), thinner than width of median flagellomerus, and with basal width <2.0 × its apical width after constriction [Hosts: Elachistidae. Distribution: ACG]	25
25(24)	Ovipositor sheaths more than 1.2 × as long as metatibia, and usually longer than metasoma (as in Fig. 38a); fore wing with maximum width of first discal cell at most 1.1 × its maximum height (usually 1.0 × or less), second abscissa of vein 1CU slightly curved (as in Figs 38b, 39b, 40b, 41b, 42b, 43b, 44b, 46b); T1 less than 3.3 × as long as its apical width	alejandromorai species-group [13 species]
–	Ovipositor sheaths less than 1.0 × as long as metatibia, and much shorter than metasoma (Fig. 105a); fore wing with maximum width of first discal cell 1.3 × its maximum height, second abscissa of vein 1CU straight (Fig. 105b); T1 more than 3.4 × as long as its apical width	Apanteles christianzunigai Fernández-Triana, sp. n.
26(23)	Pterostigma relatively broad, its length less than 3.0 × its width (as in Fig. 104b), and T2 mostly sculptured with strong longitudinal striation (Figs 102g, 103g, 104g)	carpatus species-group [5 species]
–	Pterostigma relatively narrow, its length more than 3.0 × its width, and T2 either smooth or weakly sculptured, without strong longitudinal striation	27
27(26)	Ovipositor relatively thick and strong, as thick or thicker than width of median flagellomerus and with basal width 3.0-5.0 × its apical width posterior to constriction (Figs 133a, c, 168c, 172c, 179c)	28
–	Ovipositor relatively thin, thinner than width of median flagellomerus, and with basal width <2.0 × its apical width after constriction	30
28(27)	Maximum height of mesoscutellum lunules 0.4 × maximum height of lateral face of mesoscutellum (Fig. 120f); antenna shorter than body length; propodeum usually evenly sculptured in most of its surface (Fig. 120f) [Hosts: Pyralidae]	glenriverai species-group [2 species]
–	Maximum height of mesoscutellum lunules 0.7 × or more maximum height of lateral face of mesoscutellum (as in Fig. 133f); antenna as long or longer than body length; propodeum with strong sculpture limited to anterior half, posterior half mostly smooth and shiny; propodeum with transverse carinae complete and strongly raised, clearly delimited from background sculpture (as in Fig. 133f) [Hosts: Hesperiidae]	29
29(28)	Solitary parasitoids of Venada (Hesperiidae); cocoons as in Fig. 291 [See comments under species-group treatment for further justification on its status]	joserasi species-group [2 species, one undescribed]
–	Gregarious parasitoids of several genera of Hesperiidae but not Venada; cocoons as in Figs 304–329	leucostigmus species-group [39 species]
30(27)	Body with extensive yellow and/or orange coloration, including tegula and humeral complex, parts of the axillar complex, sometimes posterior margin of mesoscutum (right in front of scutoscutellar sulcus), all coxae (rarely metacoxa dark brown to black), sometimes lateral edges of T3 and T4, most of laterotergites 1–4, most sternites and hypopygium (partial or completely) (as in Figs 33a, f, 114a, f, 127a, f, 141a, f, 159g, 161a, c)	31
–	Body with much less extensive yellow-orange coloration: usually metacoxa (and sometimes also pro- and meso- coxae) partially to completely reddish, brown or black; axillar complex, tergites, most of laterotergites, and hypopygium (partial or completely) dark brown to black; tegula and humeral complex color variable but rarely both yellow	43
31(30)	T2 mostly sculptured (Fig. 159g)	Apanteles rosibelelizondoae Fernández-Triana, sp. n.
–	T2 mostly smooth, at most with some sculpture near the posterior margin	32
32(30)	T1 length at least 3.8 × (usually more than 4.0 ×) its width at posterior margin (Fig. 141f, 161h) and ovipositor sheaths 0.4 × as long as metatibia (Fig. 161a, c)	33
–	T1 length at most 3.2 × its width at posterior margin and/or ovipositor sheaths at least 0.6 × as long as metatibia	34
33(32)	Body length 3.0–3.2 mm, forewing length 3.1–3.3 mm; tegula and humeral complex dark brown; anteromesoscutum with two orange spots laterally near posterior margin (Fig. 141f); tarsal claws simple; ocular-ocellar line 2.1 × as long as posterior ocellus diameter; interocellar distance 1.6 × posterior ocellus diameter; flagellomerus 14 1.2 × as long as wide; flagellomerus 2 2.5 × as long as flagellomerus 14; T2 width at posterior margin 3.0–3.4 × its medial length [Hosts: Crambidae]	Apanteles marcogonzalezi Fernández-Triana, sp. n.
–	Body length 2.4–2.7 mm, forewing length 2.6–2.7 mm; tegula and humeral complex yellow; anteromesoscutum entirely black (Fig. 161h); tarsal claws with one basal spine-like seta; ocular-ocellar line 2.5 × as long as posterior ocellus diameter; interocellar distance 2.0 × posterior ocellus diameter; flagellomerus 14 1.6 × as long as wide; flagellomerus 2 2.0 × as long as flagellomerus 14; T2 width at posterior margin 3.6 × its medial length [Hosts: Choreutidae]	Apanteles sergiocascantei Fernández-Triana, sp. n.
34(32)	T1 length 1.8 × its width; and mesoscutellar disc smooth (Fig. 162e); and fore wing vein 2RS more than 2.0 × as long as vein 2M; and T2 width at posterior margin 3.9 × its length; and ocular-ocellar line 1.6 × posterior ocellus diameter [Hosts: Crambidae borers, Diatraea spp.]	Apanteles vulgaris Fernández-Triana, sp. n.
–	T1 length usually more than 2.3 × its width; and/or mesoscutellar disc with punctures; and/or fore wing with vein 2RS less than 2.0 × as long as vein 2M; and/or T2 width at posterior margin less than 3.6 × its length; and/or ocular-ocellar line at least 1.7 × posterior ocellus diameter [Hosts: Choreutidae, Elachistidae, Gelechiidae, Tortricidae; if Crambidae, not borers]	35
35(34)	Ovipositor sheaths 1.3 × as long as metatibia (Figs 127a, c, 128a, c); and body length and fore wing length 4.0 mm; and mesoscutellar disc smooth centrally (Figs 127f, 128f); and ocular-ocellar line 1.5 × posterior ocellus diameter	isidrochaconi species-group [2 species]
–	Ovipositor sheaths usually shorter than metatibia (rarely 1.1–1.2 ×); body length and fore wing length usually less than 3.0 mm, if more than that (up to 3.5 mm) then mesocutellar disc punctured, and/or ocular-ocellar line at least 2.0 × posterior ocellus diameter	36
36(35)	Metacoxae entirely or mostly (anterior 0.5 or more) dark brown to black (as in Figs 34a, 115f)	37
–	All coxae entirely white, yellow or bright orange, at most with small brown spot on anterior 0.1 or less (as in Figs 33f, 114f, 116a, f)	38
37(36)	Fore wing with length of vein r 1.4 × or less length of vein 2RS; ocular-ocellar line at least 2.4 × posterior ocellus diameter; T2 width at posterior margin at least 3.7 × its length	adrianaguilarae species-group (in part) [3 species]
–	Fore wing with length of vein r 2.4 × length of vein 2RS; ocular-ocellar line 2.2 × posterior ocellus diameter; T2 width at posterior margin at least 3.3 × its length	erickduartei species-group (in part) [5 species]
38(36)	Ocular-ocellar line 2.5 × as long as posterior ocellus diameter; and T2 width at posterior margin at least 4.0 × (usually more) as long as its medial length; and fore wing with vein 2M as long as vein (RS+M)b	adrianaguilarae species-group (in part) [3 species]
–	Ocular-ocellar line at most 2.2 × as long as posterior ocellus diameter; and/or T2 width at posterior margin usually 3.5 × (or much less) as long as its medial length; and/or fore wing with vein 2M usually shorter than vein (RS+M)b	39
39(38)	Mesoscutellar disc mostly punctured (as in Figs 114f, 115f)	40
–	Mesoscutellar disc mostly smooth, at most with few, scattered punctures near margins, central part smooth (as in Figs 80f, 81g, 134f); if rarely mostly punctured, then posterior 0.2–0.3 of anteromesoscutum (especially centrally and along posterior margin) and upper anterior corner of mesopleura orange (as in Figs 80f, 82g)	41
40(39)	Ovipositor sheaths clearly as long or longer as metatibia (1.0–1.2 ×, rarely 0.9 ×); tarsal claws with one basal spine-like seta	erickduartei species-group (in part) [5 species]
–	Ovipositor sheaths clearly shorter than metatibia (0.4 ×) (Figs 118a, c); tarsal claws simple	Apanteles flormoralesae Fernández-Triana, sp. n.
41(39)	T1 mostly sculptured, with excavated area centrally with transverse striation inside and polished knob centrally on posterior margin of mediotergite and T1 mostly parallel–sided for 0.5–0.7 of its length, then narrowing posteriorly so mediotergite anterior width >1.1 × posterior width (Fig. 134f), and anteromesoscutum and T1 entirely black; T2 width at posterior margin 5.4 × its length; metafemur length 3.5 × its width	Apanteles juanhernandezi Fernández-Triana, sp. n.
–	T1 mostly smooth (as in Fig. 90g), if mostly sculptured, then T1 mostly parallel-sided (as in Fig. 79g), or anteromesoscutum with posterior 0.2 orange (as in Fig. 80f) and/or T1 orange to light-brown; T2 width at posterior margin at most 4.0 × (usually much less) its length; metafemur length at most 3.2 × its width (usually 3.0 × or less)	42
42(41)	T1 almost always black, same color of propodeum (some decoloured specimens may have T1 dark brown); T1 length at most 2.3 × its width, and mostly strongly sculptured, with longitudinal striation laterally and a central excavated area with transverse striation (Fig. 79g)	bernyapui species-group [4 species]
–	T1 orange-yellow, orange or light brown, always lighter than propodeum color (as in Fig. 90g); T1 length at least 2.5 × its width (usually much more), with some weak sculpture on posterior 0.2–0.5 but mostly looking smooth (Fig. 90g)	carlosguadamuzi species-group [6 species]
43(30)	Tegula different in color from humeral complex	44
–	Tegula same color as humeral complex	57
44(43)	Pterostigma mostly transparent or white, with thin brown borders; and all coxae dark brown to black	45
–	Pterostigma either fully brown, mostly brown (at most with small pale area centrally or anteriorly), or fully white, without brown borders; and/or procoxa (sometimes also mesocoxa) yellow-orange to light brown	51
45(44)	T1 at most 1.3 × as long as wide at posterior margin, and T2 mostly smooth and/or pro- and mesocoxae yellow	paranthrenidis species-group [4 species]
–	T1 at least 1.7 × as long as wide (usually much more), if rarely 1.3 ×, then T2 fully sculptured with longitudinal striation and all coxae dark brown to black	46
46(45)	Glossa elongate in both sexes (Fig. 140e) [Hosts: Crambidae. Distribution: ACG]	Apanteles luisvargasi Fernández-Triana, sp. n.
–	Glossa not elongate	47
47(46)	Ovipositor sheaths usually more than 1.2 × metatibial length, if rarely 1.0–1.1 ×, then profemur at least partially, and meso- and metafemora completely, dark brown to black; and tegula yellow-white; and fore wing with vein 2RS less than 2.0 × length of vein 2M (usually less than 1.6 ×); and humeral complex half yellow-white, half dark brown; and T2 width at posterior margin at least 2.9 × its length [Host: Elachistidae]	adelinamoralesae species-group [19 species]
–	Ovipositor sheaths usually less than 1.1 × metatibial length; if rarely more than 1.2 ×, then pro- and mesofemora completely, and metafemur at least partially, yellow-orange; and/or fore wing with vein 2RS more than 2.0 × length of vein 2M; and/or humeral complex usually unicolour (or very rarely humeral complex half yellow-white, half dark, and tegula dark brown); and/or T2 width at posterior margin at most 2.7 × its length	48
48(47)	Propodeum with sculpture on anterior half different from posterior half (which is either smoother or with clearly different pattern of sculpture than the anterior half) (Figs 23e, 24e, 25f, 26f, 27f, 28f, 29f, 30g, 31g, 84g, 85f, 86f)	49
–	Propodeum fully sculptured, without much difference in sculpture between anterior and posterior halves (as in Fig. 146f)	50
49(48)	T2 width at posterior margin at most 2.7 × (usually 2.5 × or less) its length (Figs 84g, 85f, 86f) [Hosts: Elachistidae]	bienvenidachavarriae species-group [3 species]
–	T2 width at posterior margin at least 3.5 × its length (Figs 23e, 24e, 25f, 26f, 27f, 28f, 29f, 30g, 31g) [Hosts: Crambidae, Tortricidae, Yponomeutidae]	adrianachavarriae species-group [9 species]
50(48)	Profemur partially, and meso- and metafemora completely, dark brown to black; ovipositor relatively thick (anterior width 2.0 × as posterior width) (Fig. 132c)	josediazi species-group
–	Pro- and mesofemora completely to partially yellow-orange; ovipositor relatively thin, about same width throughout its length (Fig. 146c)	megathymi species-group [2 species]
51(44)	Ovipositor sheaths 1.4–1.5 × as long as metatibia length (Figs 129a, c); and body length and fore wing length at least 3.2 mm	Apanteles isidrovillegasi Fernández-Triana, sp. n.
–	Ovipositor sheaths usually less than 1.1 × as long as metatibia length; if rarely ovipositor sheaths 1.3 × as long as metatibia length, then body length and fore wing length at most 2.2 mm	52
52(51)	Glossa elongate (Fig. 143e) [Host: Elachistidae]	Apanteles mariamendezae Fernández-Triana, sp. n.
–	Glossa not elongate	53
53(51)	T1 mostly parallel-sided for 0.7 of its length, then strongly narrowing posteriorly so T1 length at least 3.0 × its width at posterior margin (Fig. 124f) [Host: Riodinidae]	Apanteles hectorsolisi Fernández-Triana, sp. n.
–	T1 either clearly widening towards posterior margin, or slightly widening from anterior margin to 0.7–0.8 mediotergite length (where maximum width is reached), then narrowing towards posterior margin, or parallel-sided so T1 length at most 2.5 × its width at posterior margin (usually much less than that)	54
54(53)	T1 clearly widening towards posterior margin, 1.3 × as long as wide at posterior margin; T2 with posterior margin sinuate (Fig. 35e), width at expanded central area 1.7 × as large as width at lateral area; T2 4.0 × as long as wide at posterior margin; ovipositor relatively thick, basal width about twice apical width	Apanteles aichagirardae Fernández-Triana, sp. n.
–	T1 parallel-sided or slightly widening from anterior margin to 0.7–0.8 mediotergite length (where maximum width is reached), then narrowing towards posterior margin, so T1 length at least 2.0 × its width at posterior margin; T2 with posterior margin straight, thus central and lateral areas of same length (as in Fig. 69g); T2 usually less than 4.0 × as long as wide at posterior margin; ovipositor about same width throughout its length	55
55(54)	Ovipositor sheaths 0.6 × as long as metatibia length (Figs 69a, c); humeral complex dark; metatrochanter, metatrochantellus, and anterior 0.2–0.3 of metafemur yellow or yellow-white (Fig. 69c)	ronaldgutierrezi species-group [2 species]
–	Ovipositor sheaths usually as long as or longer than metatibia length, if slightly shorter (0.9 ×) then antenna shorter than body (its length not surpassing half of metasoma); humeral complex half pale, half dark; metafemur, metatrochanter, and sometimes metatrochantellus dark brown to black	56
56(55)	Body length at most 2.4 mm, and fore wing length at most 2.7 mm; mesofemur fully yellow; mesoscutellar disc mostly smooth (Figs 69, 70); ovipositor sheaths at least 1.3 × as long as metatibia length or antenna shorter than body (its length not surpassing half of metasoma) [Hosts: Crambidae, Elachistidae, Riodinidae, Tortricidae]	arielopezi species-group [2 species]
–	Body length at least 3.3 mm (usually more), and fore wing length at least 3.3 mm (usually more); mesofemur anterior 0.5–0.8 dark brown (Figs 144a, 145a); mesoscutellar disc mostly punctured; ovipositor sheaths at most 1.1 × as long as metatibia length [Hosts: Pyralidae]	marisolnavarroae species-group [2 species]
57(43)	T1 length more than 4.5 × its posterior width (Fig. 154g); vannal lobe straight and fully setose (with slightly shorter and sparser setae centrally); metacoxa partially yellow and partially dark brown (Fig. 154a)	Apanteles robertmontanoi Fernández-Triana, sp. n.
–	T1 length less than 3.7 × its posterior width; vannal lobe usually strongly concave, centrally without setae (or with very small, very sparse setae); metacoxa usually entirely dark brown to black	58
58(57)	Ovipositor sheaths 0.5 × as long as metatibia (Fig. 136a, c); and relatively small size, body length 2.3 mm, and fore wing length 2.4 mm; and metatibial spurs at most 0.4 × as long as first segment of metatarsus (Fig. 136c)	keineraragoni species-group [2 species]
–	Ovipositor sheaths at least 0.8 × as long as metatibia; and/or relatively larger size, body length and fore wing length at least 2.5 mm; and/or metatibial spurs at least 0.5 × as long as first segment of metatarsus	59
59(58)	Glossa elongate (Fig. 130e, 131e); and tarsal claws simple	javierobandoi species-group [2 species]
–	Glossa not elongate; tarsal claws usually with single basal spine-like seta	60
60(59)	Pterostigma entirely brown or brown with pale spot at base	61
–	Pterostigma entirely transparent or mostly transparent with only thin brown borders	63
61(60)	At least pro- and mesocoxae entirely pale (white-yellow, yellow, or orange) (Figs 72a, 73a, 74a, 75a, 76a, 78a)	ater species-group (in part)
–	All coxae dark brown to black	62
62(61)	Tegula, humeral complex, all femora and tibiae yellow (metafemur with small brown spot on posterior 0.2 × or less) (Figs 65a, d, e, 66, a); T2 mostly smooth (Fig. 66f); ovipositor sheaths at least 1.4 × as long as metatibia length (Figs 65a, c, 66a, c)	anamarencoae species-group [2 species]
–	Tegula, humeral complex, meso- and metafemora dark, metatibia (partially), and usually mesotibia (partially) dark brown to black (Figs 125a, c, f, 126a, c, g); T2 fully sculptured with longitudinal striation (Figs 125f, 126g); ovipositor sheaths at most 1.3 × (usually less than 1.0 ×) as long as metatibia length (Figs 125c, 126c)	humbertolopezi species-group [2 species]
63(60)	Tegula and humeral complex dark brown to black, or pro-, meso-, and part of metacoxae yellow-orange	ater species-group (in part)
–	Tegula and humeral complex yellow, and meso- and metacoxae (sometimes also procoxa) dark brown to black	64
64(63)	T1 length 1.5 × its width (Fig. 148f); T2 mostly smooth (Fig. 148f); body length 3.2 mm, and fore wing length 3.7 mm	Apanteles monicachavarriae Fernández-Triana, sp. n.
–	T1 length at least 2.4 × its width (Figs 110g, 11f); T2 sculptured, mostly near posterior margin (Figs 110g, 11f); body length 2.2–2.6 mm, and fore wing length 2.2–2.6 mm	dickyui species-group