Smicromyrmini, Bischoff, 1920

Okayasu, Juriya, 2020, Velvet ants of the tribe Smicromyrmini Bischoff (Hymenoptera: Mutillidae) of Japan, Zootaxa 4723 (1), pp. 1-110 : 7-8

Key to the genera of Smicromyrmini of Japan

1. Male: head with ocelli; flagellum 11 segmented; alate........................................................ 2

- Female: head without ocelli; flagellum 10 segmented; apterous................................................. 7

2. Genitalic volsella with long narrow cuspisand basal external lobe ( Figs 13D , 23C, E )............................... 3

- Genitalic volsella with short robust cuspis and without basal external lobe ( Figs 5C , 31C , 38A, C, E , 46I )............... 4

3. Mandible tridentate ( Fig. 12C ); mesopleuron beneath with one or two pairs of precoxal denticles or tubercles ( Fig. 14C )........................................................................................... 2. Nemka Lelej

- Mandible bidentate; mesopleuron beneath without precoxal denticles or tubercles................ 3. Mickelomyrme Lelej

4. Mandible narrowed to apex, bidentate or tridentate, inner denticles smaller than apex ( Figs 4F , 36C , 46G ); ventral margin of mandible excised into large tooth or with weak lobe basally ( Fig. 36H )........................................... 5

- Mandible widened to apex, tridentate, inner denticles as large as apex ( Fig. 31B ); ventral margin of mandible without tooth or lobe............................................................................... 4. Andreimyrme Lelej

5. S2 with short lateral felt line; parapenial lobe bifurcate; volsellar cuspis oval, with developed setal bunch on inner face ( Figs 5C , 46I )............................................................................................. 6

- S2 without felt line; parapenial lobe slender, strongly bending; volsellar cuspis slender, without setal bunch ( Figs 38A, C, E )...................................................................................... 5. Ephucilla Lelej

6. Clypeus with a pair of subapical teeth; F1 as long as wide; maxillary palpus much shorter than antenna; paramere with inner protuberance............................................................... 1. Smicromyrme s. str. Thomson

- Clypeus without subapical tooth; F1 length at most 0.9 × its width; maxillary palpus as long as antenna; paramere without inner protuberance............................................................................ 6. Sinotilla Lelej

7. Mandible slender, bidentate or tridentate ( Figs 7C , 17C , 26C , 40C, F ); prementum without posterior tubercle; scutellar scale more or less developed................................................................................. 8

- Mandible wide, tridentate ( Fig. 30C ); prementum with posterior tubercle; scutellar scale absent...... 4. Andreimyrme Lelej

8. Genal carina absent; pygidial area sculptured with distinct lateral carina ( Figs 7J , 18D , 26J ).......................... 9

- Genal carina present; pygidial area unsculptured, smooth, shining at most with weak indistinct lateral carina ( Fig. 41 ).... 11

9. Pygidial area elongate ( Figs 7J , 26J )..................................................................... 10 - Pygidial area short and oval ( Fig. 18D )........................................................ 2. Nemka Lelej 10. T2 with one basomedial spot ( Fig. 6B ).......................................... 1. Smicromyrme s. str. Thomson - T2 with three basal spots disposed in horizontal line ( Fig. 25B )............................... 3. Mickelomyrme Lelej 11. Lateral margins of pygidial area weakly carinate apically........................................ 5. Ephucilla Lelej - Lateral margins of pygidial area not carinate even apically........................................ 6. Sinotilla Lelej

Figures

FIGURE 4. Smicromyrme lewisi Mickel, ♂, Japan. A–C, G. Typical form, Ehime; D–F, H. nigricula form, Hokkaidô; A, D. head, dorsal view; B, E. head, lateral view; C, F. head, frontal view; G, H. tegula; a = head length; b = head width; c = OL; d = POL; e/f = GOI; g = OOL; h = LOD; I = MOD; j = tegula length; k = tegula width.

FIGURE 5. Smicromyrme lewisi Mickel, ♂, Japan. A, C, E. Typical form, Ehime; B, D, F. nigricula form, Hokkaidô; A–B. wings; C–D. male genitalia, inner view; E–F. penis valve.

FIGURE 6. Smicromyrme lewisi Mickel, ♀, Japan. A–B. Ehime; C–D. holotype, Sm. lewisi; E–F. holotype, Sm. momidziyama Tsuneki; A, C, E. mesosoma, dorsal view; B, D, F. metasoma, dorsal view; a = dorsal thoracic length; b = humeral width; c = pronotal width; d = mesonotal width; e = propodeal width; f = metasomal width; g = minimum distance between basomedial pale spot and apical pale band; h = dorsal T2 length.

FIGURE 7. Smicromyrme lewisi Mickel, ♀, Japan. A–C, J. Ehime; D–F, K. holotype, Sm. lewisi; G–I, L. holotype, Sm. momidziyama Tsuneki; A, D, G. head, dorsal view; B, E, H. head, lateral view; C, F, I. head, frontal view; J–L. pygidial area; a = head length; b = head width; c/d = GOI; e = eye height; f = malar length; g = minimum distance between eyes.

FIGURE 12. Nemka spp., ♂. A–C, J. N. yasumatsui (Mickel), stat. rev. et comb. nov., Kyôto; D–F, K. holotype, N. chihpenchia (Tsuneki); G–I, L. N. limi (Chen); A, D, G. head, dorsal view; B, E, H. head, lateral view; C, F, I. head, frontal view; J–L. tegula.

FIGURE 13. Nemka spp., ♂. A, D–E. N. yasumatsui (Mickel), stat. rev. et comb. nov., Kyôto; B. N. wotani (Zavattari); F–G. holotype, N. chihpenchia (Tsuneki); C, H–I. N. limi (Chen); A–C. wings; D, F, H. male genitalia, inner view; E, G, I. penis valve.

FIGURE 14. Nemka spp., ♂. A–C. N. yasumatsui (Mickel), stat. rev. et comb. nov., Kyôto; D–F. N. wotani (Zavattari); G–I. N. limi (Chen); A, D, G. gena; B, E, H. lateral face of pronotum; C, F, I. precoxal tubercle on mesopleuron.

FIGURE 17. Nemka spp., ♀, head.A–C. N. yasumatsui (Mickel), stat. rev. et comb. nov., Chiba; D–F. paratype, N. yasumatsui (Mickel), stat. rev. et comb. nov.; G–I. lectotype, N. wotani (Zavattari); J–L. paratype, N. limi limi (Chen); A, D, G, J. dorsal view; B, E, H, K. lateral view; C, F, I, L. frontal view.

FIGURE 18. Nemka spp., ♀. A–C, H. paratype, N. limi nanhai (Chen); D. N. yasumatsui (Mickel), stat. rev. et comb. nov., Chiba; E. paratype, N. yasumatsui (Mickel), stat. rev. et comb. nov.; F. lectotype, N. wotani (Zavattari); G. paratype, N. limi limi (Chen); A. head, dorsal view; B. head, lateral view; C. head, frontal view; D–H. pygidial area.

FIGURE 23. Mickelomyrme spp., ♂. A, C–D. Mi. hageni (Zavattari), Ishigaki-jima Is.; E–F. lectotype, Mi. hageni; B, G–H. Mi. atahlia (Pagden); A–B. wings; C, E, G. male genitalia, inner view; D, F, H. penis valve.

FIGURE 25. Mickelomyrme spp., ♀. A–B. Mi. hageni (Zavattari), Ishigaki-jima Is.; C–D. lectotype, Mu. alberici Zavattari; E–F. paratype, Mi. yunnanensis Lelej; A, C, E. mesosoma, dorsal view; B, D, F. metasoma, dorsal view.

FIGURE 26. Mickelomyrme spp., ♀. A–C, J. Mi. hageni (Zavattari), Ishigaki-jima Is.; D–F, K. lectotype, Mu. alberici Zavattari; G–I, L. paratype, Mi. yunnanensis Lelej; A, D, G. head, dorsal view; B, E, H. head, lateral view; C, F, I. head, frontal view; J–L. pygidial area.

FIGURE 30. Andreimyrme substriolata (Chen), ♀. A–C, G. Amami-ôshima Is.; D–F, H. paratype, A. substriolata; A, D. head, dorsal view; B, E. head, lateral view; C, F. head, frontal view; G–H. pygidial area.

FIGURE 31. Andreimyrme davidi (André), ♂ in TARI, China.A. Habitus, lateral view; B. head, frontal view; C. male genitalia, inner view; D. penis valve; E. labels.

FIGURE 36. Ephucilla spp., ♂, head.A–C. Holotype, E. yoshitakei sp. nov.; D–F. holotype, E. suginoi sp. nov.; G–I. holotype, E. brevitegula sp. nov.; J–L. paralectotype, E. naja (Zavattari);A, D, G, J. dorsal view; B, E, H, K. lateral view; C, F, I, L. frontal view.

FIGURE 38. Ephucilla spp., ♂. A–B. Holotype, E. yoshitakei sp. nov.; C–D. holotype, E. suginoi sp. nov.; E–F. holotype, E. brevitegula sp. nov.; G–H. paralectotype, E. naja (Zavattari); A, C, E, G. male genitalia, inner view; B, D, F, H. penis valve.

FIGURE 40. Ephucilla spp., ♀, head. A–C. Paratype, E. yoshitakei sp. nov.; D–F. paratype, E. suginoi sp. nov.; G–I. paratype, E. brevitegula sp. nov.; J–L. holotype, E. thalia (Mickel); A, D, G, J. dorsal view; B, E, H, K. lateral view; C, F, I, L. frontal view.

FIGURE 41. Ephucilla spp., ♀, pygidial area. A. Paratype, E. yoshitakei sp. nov.; B. paratype, E. suginoi sp. nov.; C. paratype, E. brevitegula sp. nov.; D. holotype, E. thalia (Mickel).

FIGURE 46. Sinotilla jambar sp. nov., ♂, holotype.A. habitus, dorsal view; B. habitus, lateral view; C. mesosoma, dorsal view; D. metasoma, dorsal view; E. head, dorsal view; F. head, lateral view; G. head, frontal view; H. wings; I. male genitalia, inner view; J. penis valve.