Proterosceliopsidae Talamas, Johnson, Shih & Ren, 2019

Talamas, Elijah J., Johnson, Norman F., Shih, Chungkun & Ren, Dong, 2019, Proterosceliopsidae: A new family of Platygastroidea from Cretaceous amber, Journal of Hymenoptera Research 73, pp. 3-38 : 3

Proterosceliopsidae Talamas, Johnson, Shih & Ren fam. nov.

Diagnosis.

Antenna with 14 or 15 antennomeres; malar sulcus present ( Fig. 7 ); facial striae absent ( Fig. 7 ); malar striae absent ( Fig. 7 ); pronotal cervical sulcus present as a furrow of fine setation associated with glandular excretion ( Figs 16 , 48-49 , 51 - 53 , 59 ); mesopleuron with transepisternal line and mesepimeral sulcus ( Figs 16 , 51 - 53 , 59 , 63 ); T3-T5 and S3-S5 anteriorly with depressions associated with glandular excretion ( Figs 29 , 34 , 56 , 58 , 62 ).

Figures

Figures 7 - 10. 7 Proterosceliopsis plurima (CNU-HYM-MA- 2016102), head, anteroventral view 8 Calliscelio Ashmead (CNC 494853), head, anteroventral view 9 Nixonia watshami (OSUC 149432), head, anteroventral view 10 Metaclisis (USNMENT 01029162), head, anteroventral view. Scale bars in millimeters.

Figures 16 - 20. 16 Proterosceliopsis plurima (CNU-HYM-MA- 2016102), mesosoma, lateral view 17 Scelio Latreille (USNMENT 00989612 _ 3), mesosoma, ventrolateral view 18 Archaeoteleia gracilis Masner (OSUC 163002), mesosoma, ventrolateral view 19 Fidiobia (USNMENT 01197212 _ 2), mesosoma, ventrolateral view 20 Nixonia watshami (OSUC 149432), head, lateral view. Scale bars in millimeters.

Figures 48 - 50. Proterosceliopsis ambulata (CNU-HYM-MA- 2016105) 48 habitus, lateral view (left side) 49 habitus, lateral view (right side) 50 head, mesosoma, metasoma, dorsal view. Scale bars in millimeters.

Figures 51, 52. Proterosceliopsis plurima (CNU-HYM-MA- 2016102) 51 habitus, lateral view (right side) 52 habitus, lateral view (left side). Scale bars in millimeters.

Figures 53 - 55. Proterosceliopsis plurima (CNU-HYM-MA- 2016102) 53 head, mesosoma, anterior metasoma, lateral view (right side) 54 posterodorsal pronotum, lateral view 55 distal segments of metasoma, lateral view. Scale bars in millimeters.

Figures 58, 59. Proterosceliopsis torquata (CNU-HYM-MA- 2016106) 58 habitus, dorsolateral view 59 head and mesosoma, lateral view. Scale bars in millimeters.

Figures 62 - 64. Proterosceliopsis wingerathi (CNU-HYM-MA- 2016101) 62 habitus, dorsal view 63 habitus, lateral view 64 habitus, ventrolateral view. Scale bars in millimeters.

Figures 29 - 33. 29 Proterosceliopsis nigon (CNU-HYM-MA- 2017566), head, mesosoma, metasoma, dorsal view 30 Trimorus Foerster (USNMENT 01197861), metasoma, dorsal view 31 Amitus Haldeman (OSUC 404941), metasoma, dorsal view 32 Nixonia krombeini Johnson & Masner (OSUC 146429), metasoma, dorsal view 33 Sparasion philippinensis Kieffer (USNMENT 00872835), metasoma, dorsal view. Scale bars in millimeters.

Figures 34 - 38. 34 Proterosceliopsis nigon (CNU-HYM-MA- 2017566), head, mesosoma, metasoma, ventral view 35 Dvivarnus mikuki Talamas & Miko (USNMENT 01059135), metasoma, ventral view 36 Trichacis (USNMENT 01059347), metasoma, ventral view 37 Nixonia watshami (OSUC 149432), metasoma, ventral view 38 Sparasion philippinensis (USNMENT 00872835), metasoma, ventral view. Scale bars in millimeters.

Figures 56, 57. Proterosceliopsis plurima (CNU-HYM-MA- 2016102) 56 habitus, dorsal view 57 head and mesosoma, ventral view. Scale bars in millimeters.