Mymaridae

Huber, John T., Read, Jennifer D. & Triapitsyn, Serguei V., 2021, Illustrated key to the genera and catalogue of Mymaridae (Hymenoptera) in the Afrotropical region, Zootaxa 5036 (1), pp. 1-166 : 6-9

publication ID

https://doi.org/ 10.11646/zootaxa.5036.1.1

publication LSID

lsid:zoobank.org:pub:9047AF72-0A9C-4636-B3A9-1018DA9F686A

persistent identifier

https://treatment.plazi.org/id/514B87B5-0135-371F-76E5-F988E9CA02BD

treatment provided by

Plazi

scientific name

Mymaridae
status

 

Key to Afrotropical genera of Mymaridae View in CoL View at ENA . Females

[Antenna with apical segments wider than the remaining segments, forming a distinct 1- to 3-segmented clava ( Figs 2 View FIGURES 1–3 , 11 View FIGURES 10–12 , 17 View FIGURES 16–18 )]. Females of of the former subgenus Camptoptera (Zemicamptoptera) Ogloblin & Annecke , syn. n., treated here as a species group of C. ( Camptoptera ), are not separable from the latter subgenus, so are not included in the key; they have not yet been reported from Africa.

1 Wings short, at most extending to apex of mesosoma ( Figs 81, 82 View FIGURES 81, 82 ), or wings absent ( Fig. 85 View FIGURES 85, 86 )......................... 2

- Wings fully developed, extending beyond apex of gaster ( Figs 50 View FIGURE 50 , 100 View FIGURES 100, 101 , 102 View FIGURES 102, 103 ), if somewhat shortened then fore wing widest medially and tapering to narrow apex ( Figs 147, 149 View FIGURES 147–149 )........................................................ 5

2(1) Propodeum horizontal, in same plane as meso- and metathorax; petiole much wider than long, in lateral view at about same level as dorsal surface of mesosoma and barely distinguishable from it or from gaster ( Figs 115, 116 View FIGURES 115, 116 )........ Dicopus View in CoL , part

- Propodeum strongly sloping, not in same plane as meso- and metathorax; petiole at least slightly longer than wide, in lateral view at much lower plane than dorsal surface of meso- and metathorax and clearly distinguishable (at least in slide mounts). ................................................................................................... 3

3(2) Ocelli absent............................................................................. Chrysoctonus View in CoL

- Ocelli present........................................................................................ 4

4(3) Funicle 8-segmented....................................................................... Ooctonus View in CoL , part

- Funicle 6-segmented..................................................................... Camptopteroides View in CoL

5(1) Tarsi 5-segmented.................................................................................... 6

- Tarsi 4-segmented................................................................................... 23

6(5) Funicle 8-segmented.................................................................................. 7

- Funicle at most 7-segmented........................................................................... 14

7(6) Propodeum with diamond-like pattern of carinae ( Fig. 207 View FIGURES 207–209 ); metasoma in lateral view with gt 1 distinctly longer than gt 2 ( Fig. 209 View FIGURES 207–209 ).................................................................................... Ooctonus View in CoL , part

- Propodeum not as above, either with 2 longitudinal, more or less parallel submedian grooves, or carinae absent and propodeum almost smooth; metasoma in lateral view with gt 1 only slightly longer than gt 2 ..................................... 8

8(7) Fore wing venation (to apex of stigma) about 0.6× wing length; marginal and postmarginal veins present ( Fig. 62 View FIGURES 62, 63 ); ovipositor with exserted part at least 2.0× as long as entire body ( Fig. 59 View FIGURES 58–61 )...................................... Borneomymar View in CoL

- Fore wing venation (to apex of stigma) at most about 0.4 × wing length; marginal and postmarginal veins absent; ovipositor with exserted part at most almost as long as entire body.......................................................... 9

9(8) Head in posterior view with curved, transverse groove extending above foramen from eye to eye, separating occiput from gena; ovipositor extending distinctly beyond posterior apex of gaster and each ovipositor sheath with 3 or more setae along its exserted length ( Fig. 271 View FIGURES 270, 271 )........................................................................ Zeyanus

- Head in posterior view without a transverse groove; ovipositor barely or not exserted and if distinctly exserted beyond posterior apex of gaster, each sheath with only one subapical seta..................................................... 10

10(9) Dorsellum strap-like, with anterior and posterior margins almost parallel ( Figs 104 View FIGURES 104–106 , 172 View FIGURES 170–172 ), and at least 7× as wide as its median length............................................................................................. 11

- Dorsellum rhomboidal ( Fig. 153 View FIGURES 153, 154 ), with anterior and posterior margins distinctly diverging and at most about 3× as wide as its median length...................................................................................... 12

11(10) Metasoma with petiole at most 2× long as wide ( Figs 172 View FIGURES 170–172 , 174 View FIGURES 173, 174 ); pronotum with lateral lobes widely separated by membranous median area ( Fig. 172 View FIGURES 170–172 ); propodeum with submedian lines well separated from each other ( Fig. 172 View FIGURES 170–172 )....... Lymaenon , part

- Metasoma with petiole at least 3× as long as wide ( Figs 106 View FIGURES 104–106 ); pronotum with lateral lobes almost abutting ( Fig. 106 View FIGURES 104–106 ); propodeum with submedian lines almost in contact with each other ( Fig. 106 View FIGURES 104–106 )............................ Cosmocomopsis

12(10) Ovipositor exserted beyond posterior apex of gaster by length of almost entire body ( Fig. 266 View FIGURES 264–266 )............. Tanyxiphium

- Ovipositor at most exerted beyond posterior apex of gaster by length of gaster................................... 13

13(12) Propodeum with longitudinal submedian carinae extending almost to dorsellum, and another carina between each submedian carina and metapleural suture ( Fig. 189 View FIGURES 189, 190 ); fore wing wider (about 3.0× as long as wide), with apex somewhat truncate ( Fig. 188 View FIGURES 186–188 ).................................................................................. Octomicromeris

- Propodeum without carinae ( Fig. 153 View FIGURES 153, 154 ) or, at most, with submedian grooves only ( Fig. 172 View FIGURES 170–172 ); fore wing narrower (at least 4.0× as long as wide), with rounded apex ( Fig. 152 View FIGURES 150–152 )................................................... Gonatocerus View in CoL

14(6) Funicle 7-segmented................................................................................. 15

- Funicle at most 6-segmented........................................................................... 21

15(14) Fore wing at most 5.0× as long as wide ( Figs 160 View FIGURES 157–160 , 171 View FIGURES 170–172 ); fl 2 not ring-like, about same length as fl 1 or fl 3 ................ 16

- Fore wing at least 8.0× as long as wide ( Figs 66 View FIGURES 64–66 , 74 View FIGURES 72–74 , 77 View FIGURES 77, 78 , 252 View FIGURES 250–252 ); fl 2 often ring-like, much shorter than fl 1 or fl 3 ( Figs 65 View FIGURES 64–66 , 73 View FIGURES 72–74 , 251 View FIGURES 250–252 ) .................................................................................................. 17

16(15) Face with subantennal grooves extending from toruli to mouth margin; fl 7 about as long as wide and about as long as fl 6 ( Fig. 173 View FIGURES 173, 174 )................................................................................... Lymaenon , part

- Face without subantennal grooves ( Fig. 157 View FIGURES 157–160 ); fl 7 about half as long as wide and less than half as long as fl 6 ( Fig. 158 View FIGURES 157–160 ).......................................................................................... Heptagonatocerus

17(15) Metasoma joined to mesosoma by a distinct petiole much narrower than width of gaster anteriorly and about as long as wide ( Fig. 70 View FIGURES 69–71 )........................................................................................... 18

- Metasoma joined to mesosoma by an indistinct petiole barely narrower than width of gaster anteriorly and much shorter than wide ( Figs 67, 68a View FIGURES 67, 68 ).................................................................................. 19

18(17) Fore wing narrow, with at most 2 longitudinal rows of microtrichia beyond venation ( Figs 70 View FIGURES 69–71 , 74 View FIGURES 72–74 , 77 View FIGURES 77, 78 ), exceptionally with more rows; propodeum almost always without translucent reticulated structures submedially and laterally ( Figs 69 View FIGURES 69–71 , 77 View FIGURES 77, 78 ), rarely with such structures ( Fig. 75 View FIGURES 75, 76 ); petiole ventrally and laterally without translucent reticulated structure; head in posterior view with coronal groove extending medially from vertex to a curved transverse groove above foramen (similar to Fig. 64b View FIGURES 64–66 )..................................................................................... Camptoptera (Camptoptera)

- Fore wing wider, with several rows of microtrichia covering wing surface beyond venation; propodeum with large vertical translucent reticulated structures submedially and laterally; petiole ventrally surrounded by translucent reticulated structure; head in posterior view without longitudinal median groove....................................... Stephanocampta View in CoL

19(17) Scutellum not separated by change in sculpture into anterior scutellum and posterior frenum ( Fig. 67 View FIGURES 67, 68 )........ Callodicopus View in CoL

- Scutellum separated by transverse line or change in sculpture into anterior scutellum and posterior frenum ( Figs 110 View FIGURES 110, 111 , 115, 116 View FIGURES 115, 116 ).............................................................................................. 20

20(19) Head in anterior view distinctly narrowing ventrally, with mandibles pointing ventrally, not crossing each other, each with 1 long and 1 short tooth ( Fig. 112 View FIGURES 112–114 ); fore wing extremely narrow beyond venation then widening distinctly to apex ( Fig. 114 View FIGURES 112–114 )........................................................................................... Dicopus View in CoL , part

- Head in anterior view more quadrate ( Fig. 107 View FIGURES 107–109 ), with mandibles pointing inwardly, crossing (if long enough), each with 2 subequal teeth; fore wing more even in width along its entire length ( Fig. 109 View FIGURES 107–109 )........................... Dicopomorpha View in CoL

21(14) Funicle 6-segmented; gaster compressed, higher than wide ( Figs 167 View FIGURES 166, 167 , 169 View FIGURES 168, 169 ); gt 1 much longer than each remaining tergum ( Fig. 169 View FIGURES 168, 169 )........................................................................................... Litus View in CoL

- Funicle 5-segmented; gaster slightly depressed, wider than high; gt 1 about same length as each remaining tergum....... 22

22(21) Fore wing with venation extending at least 0.6× wing length; marginal vein long ( Fig. 48 View FIGURES 48, 49 ); fore wing with posterior margin behind venation not notched...................................................................... Arescon View in CoL

- Fore wing with venation extending at most about 0.4× wing length, without marginal vein ( Fig. 8 View FIGURES 6–8 ); fore wing with posterior margin behind venation distinctly notched ( Fig. 8 View FIGURES 6–8 )..................................................... Alaptus View in CoL

23(5) Funicle 8-segmented ( Fig. 241 View FIGURES 239–242 ); propodeum and gt 1 with large translucent reticulated structures ( Figs 243, 244 View FIGURES 243, 244 )..................................................................................................... Ptilomymar View in CoL

- Funicle at most 6-segmented; propodeum without structures as described above.................................. 24

24(23) Clava 2- or 3-segmented.............................................................................. 25

- Clava 1-segmented.................................................................................. 33

25(24) Clava 2-segmented.................................................................................. 26

- Clava 3-segmented.................................................................................. 31

26(25) Funicle segments all more or less quadrate ( Fig. 223 View FIGURES 222–224 ); hind wing narrow, with anterior and posterior margins parallel ( Fig. 224 View FIGURES 222–224 ); setae along posterior margin more than 2× as long as greatest width of hind wing ( Fig. 224 View FIGURES 222–224 ).................................................................................................... Platystethynium (Platypatasson)

- At least some funicle segments distinctly longer than wide ( Figs 218 View FIGURES 217–219 , 221 View FIGURES 220, 221 ); hind wing wider, with anterior and posterior margins not parallel; setae along posterior margin less than 0.5× as long as greatest width of hind wing ( Fig. 221 View FIGURES 220, 221 ).......... 27

27(26) Head posteriorly with curved transverse groove extending above foramen from eye to eye ( Fig. 220 View FIGURES 220, 221 ), separating occiput from gena........................................................................ Paranaphoidea (Idiocentrus)

- Head posteriorly without transverse groove separating occiput from gena....................................... 28

28(27) Propodeum with median longitudinal groove ( Fig. 41 View FIGURES 41, 42 ) and, in lateral view, strongly sloping relative to scutellum; metasoma uniformly black or dark brown ( Fig. 42 View FIGURES 41, 42 )................................................... Anaphes (Patasson)

- Propodeum without median groove ( Fig. 200 View FIGURES 200, 201 ) and, in lateral view, almost in same plane as scutellum; metasoma light brown or light coloured (white, yellow) at base, in contrast to darker brown on remainder of metasoma ( Fig. 249 View FIGURES 248, 249 ) or almost entirely light coloured ( Fig. 201 View FIGURES 200, 201 ).................................................................................. 29

29(28) Clava with apical finger-like projection ( Fig. 196 View FIGURES 196–199 ); ovipositor usually distinctly exserted beyond posterior apex of gaster ( Fig. 201 View FIGURES 200, 201 )........................................................................ Omyomymar (Omyomymar)

- Clava without apical projection ( Figs 11 View FIGURES 10–12 , 17 View FIGURES 16–18 ); ovipositor at most slightly exserted beyond posterior apex of gaster ( Figs 15 View FIGURES 14, 15 , 20 View FIGURES 19, 20 )............................................................................................... 30

30(29) Mesophragma with apex straight or convex ( Figs 14 View FIGURES 14, 15 , 19 View FIGURES 19, 20 ), not notched medially; mandible with one distinct lower tooth separated by deep notch from upper apically serrate and wide tooth ( Fig. 10 View FIGURES 10–12 )............................ Allanagrus View in CoL , part

- Mesophragma with apex concave, deeply notched medially ( Figs 248, 249 View FIGURES 248, 249 ); mandible with 5 almost equal teeth................................................................................................. Schizophragma View in CoL

31(25) Ovipositor short, originating near posterior apex of gaster and not extending anteriorly under mesosoma; back of head without curved transverse groove separating occiput from gena...................................................... 32

- Ovipositor long, originating near anterior apex of gaster and extending anteriorly under mesosoma and head; back of head with curved transverse groove extending above foramen from eye to eye, separating occiput from gena (as in Fig. 220 View FIGURES 220, 221 )............................................................................. Paranaphoidea (Paranaphoidea) , part

32(31) Funicle with all segments more or less quadrate, each about as long as wide ( Fig. 228 View FIGURES 227–229 ); head in lateral view strongly triangular, with face strongly bulging and angular anteriorly................................ Platystethynium (Platystethynium)

- Funicle with some segments distinctly longer than wide ( Figs 11 View FIGURES 10–12 , 17 View FIGURES 16–18 ); head in lateral view more rectangular, the face at most slightly bulging and rounded anteriorly...................................................... Allanagrus View in CoL , part

33(24) Petiole in dorsal view shorter than wide ( Fig. 55 View FIGURES 55–57 )........................................................... 34

- Petiole in dorsal view at least as long as wide, usually much longer ( Fig. 4 View FIGURES 4, 5 )...................................... 43

34(33) Ovipositor and sheaths distinctly exserted posterior to apex of gaster, the exserted portion of each sheath with several setae along its length ( Figs 50 View FIGURE 50 , 56 View FIGURES 55–57 )................................................................ Australomymar View in CoL

- Ovipositor and sheaths either not exserted posterior to apex of gaster or, if exserted, the projecting portion of each sheath with one subapical seta................................................................................... 35

35(34) Mandible minute and barely visible, without teeth ( Fig. 129 View FIGURES 128–130 ); each maxilla longer than their combined width (presumably capable of performing like a mandible); gena in lateral view narrow behind eye ( Fig. 133a View FIGURES 133, 134 ), often apparently absent; dorsellum triangular, about as long as wide and extending posteriorly over anterior (dorsal) margin of propodeum ( Fig. 131 View FIGURES 131, 132 ); hypopygium prominent, extending about to apex of gaster ( Fig. 136 View FIGURES 135, 136 )..................................................... 36

- Mandible larger and clearly visible, with at least one but usually more distinct teeth; each maxilla shorter than their combined width (not capable of performing like a mandible); gena wider and visible behind eye; dorsellum either not distinct or, if distinct and triangular, wider than long and not extending posteriorly over anterior (dorsal) margin of propodeum; hypopygium inconspicuous, not extending to apex of gaster............................................................. 37

36(35) Fore wing with anterior and posterior margins beyond venation diverging, the width near wing apex greater than width at apex of venation, membrane with a minute seta dorsally behind base of parastigma (near apex of hypochaeta) ( Fig. 130 View FIGURES 128–130 )....................................................................................... Erythmelus (Erythmelus)

- Fore wing with anterior and posterior margins beyond venation almost parallel, the width near wing apex about same as width at apex of venation, membrane without a minute seta dorsally behind base of parastigma ( Fig. 134 View FIGURES 133, 134 ).................................................................................................. Erythmelus (Parallelaptera)

37(35) Frenum divided medially by longitudinal groove into paramedial plates ( Figs 22 View FIGURES 21–25 , 29 View FIGURES 29, 30 , 36 View FIGURES 36, 37 )........................... 38

- Frenum entire, not divided medially by longitudinal groove.................................................. 40

38(37) Ocelli not surrounded by pale lines; fl 2 longer than any other funicle segment ( Fig. 23 View FIGURES 21–25 )............. Anagrus (Anagrella)

- Ocelli with grooves (seen as pale lines in slide mounts) extending between them and enclosing them like a crown (stemmaticum); fl 2 not longer than any other funicle segment ( Figs 27 View FIGURES 26–28 , 32 View FIGURES 31, 32 , 34 View FIGURES 33–35 )........................................... 39

39(38) Fl 1 as long as pedicel ( Figs 32 View FIGURES 31, 32 , 34 View FIGURES 33–35 ); frenum with paramedial plates widely separated from each other ( Fig. 36 View FIGURES 36, 37 ); metafemur length less than 2× trochanter length, the trochantellus incision usually almost half way between coxa-trochanter and femurtibial articulation ( Figs 31, 32 View FIGURES 31, 32 )........................................................ Anagrus (Paranagrus)

- Fl 1 shorter than pedicel ( Fig. 27 View FIGURES 26–28 ); frenum with paramedial plates close together ( Fig. 29 View FIGURES 29, 30 ); metafemur more than 2× trochanter length, the trochantellus incision almost one-third way between coxa-trochanter and femur-tibial articulation................................................................................................. Anagrus (Anagrus)

40(37) Propodeum with a median longitudinal groove ( Fig. 41 View FIGURES 41, 42 )...................................... Anaphes (Anaphes)

- Propodeum without a median longitudinal groove.......................................................... 41

41(40) Clava as long as entire funicle and wide near base then gradually narrowing apically to almost to a point ( Fig. 122 View FIGURES 120–123 ).. Dorya View in CoL

- Clava shorter than funicle, widest near middle and rounded apically............................................ 42

42(41) Funicle segments usually almost all wider than long or quadrate ( Fig. 97 View FIGURES 97–99 ); fore wing parallel sided for most of its length beyond venation ( Fig. 96 View FIGURES 94–96 )............................................................................ Cleruchus View in CoL

- Funicle segments mostly longer than wide ( Fig. 88 View FIGURES 87–89 ); fore wing widening for most of its length beyond venation ( Fig. 90 View FIGURES 90, 91 )............................................................................................ Cleruchoides

43(33) Body small, its length less than 400 μm; petiole in dorsal view about as long as wide ( Fig. 77 View FIGURES 77, 78 ); fore wing narrow, with posterior margin near apex concave so wing apex distinctly curved ( Fig. 77 View FIGURES 77, 78 )................. Camptoptera (Eofoersteria) stat. n.

- Body much larger, its length usually much more than 800 μm; petiole in dorsal view longer than wide; fore wing wide, with posterior margin near apex straight or convex so wing apex not curved......................................... 44

44(43) Mandibles as long as head height and not crossing medially when closed ( Fig. 142 View FIGURES 142–144 ); head in lateral view triangular ( Fig. 142 View FIGURES 142–144 ) and with a large projection on face between toruli ( Fig. 138 View FIGURES 137–139 ).......................................... Eubroncus View in CoL

- Mandibles much shorter than head height and crossing medially when closed; head in lateral view quadrate and without projection on face between toruli............................................................................ 45

45(44) Scape widest near base, narrowest medially, then widening again towards apex; fore wing extremely narrow and parallel-sided in basal half then widening considerably in apical half; hind wing either filamentous, without membrane, or narrow with only about 10 long setae along posterior margin beyond venation and at apex, or reduced to a short stub............... Mymar View in CoL

- Scape widest near middle and narrower towards apices; fore wing gradually widening from base towards apex; hind wing in macropterous individuals with wider membrane, and with setae along both anterior and posterior margins and at apex.... 46

46(45) Fore wing cigar-like, with anterior and posterior margins strongly inrolled; pronotum slightly longer than length of mesoscutum + scutellum................................................................................. Mymarilla View in CoL

- Fore wing flat, with anterior and posterior margins almost always in same plane (except in one species of Ganomymar De Santis View in CoL ); pronotum much shorter than length of mesoscutum + scutellum........................................ 47

47(46) Scape with inner surface rasp-like, the imbrications not much wider than long; mesothoracic spiracle closer to anterior apex of notaulus than to tegula; mesosoma smooth and shiny............................................... Stephanodes View in CoL

- Scape with inner surface at most with faint oblique or transverse striations; mesosoma with at least some faint, usually engraved sculpture and dull................................................................................... 48

48(47) Propodeum with V-shaped carinae medially ( Fig. 4 View FIGURES 4, 5 )............................................. Acmopolynema View in CoL

- Propodeum either smooth or with 1 median carina or 2 parallel submedian carinae................................ 49

49(48) Petiole attached to gastral sternum posteriorly; fore wing usually widest in middle ( Figs 147, 149 View FIGURES 147–149 ).......... Ganomymar View in CoL

- Petiole attached to gastral tergum posteriorly; fore wing widest towards apex.................................... 50

50(49) Face with small pit medially next to each torulus.......................................... Polynema (Doriclytus)

- Face without pit medially next to each torulus............................................................. 51

51(50) Propleura meeting medially, separating prosternum from head....................................... Palaeoneura View in CoL

- Propleura not meeting medially, not separating prosternum from head.......................................... 52

52(51) Fore wing membrane without microtrichia behind apex of venation....................... Polynema (Dorypolynema)

- Fore wing membrane with microtrichia behind apex of venation.............................. Polynema (Polynema)

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Mymaridae

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