Archaeromma Yoshimoto 1975

Key to the species of the genus Archaeromma (Mymarommatidae) 1. Clava 3-segmented.................................................................................... 2 - Clava 4-segmented.................................................................................... 5 2. Forewing posterobasal marginal seta present................................................................ 3 - Forewing posterobasal marginal seta absent................................................................ 4 3. Pronotum reaching tegula; forewing marginal fringe with 42 long, erect setae.............................................................................. A. mandibulatum (Kozlov & Rasnitsyn, 1979) (♀), Taimyr amber, Santonian - Pronotum not reaching tegula; forewing marginal fringe with 55 long, erect setae............................................................................... A. carnifex Engel & Grimaldi, 2007 (♂), New Jersey amber, Turonian 4. Pedicel shorter than scape; mesosoma narrower than head....................................................................................................... A. masneri (Yoshimoto, 1975) (♀), Canadian amber, Campanian - Pedicel as long as scape; mesosoma broader than head...................................................................................................... A. gibsoni Engel & Grimaldi, 2007 (♂), New Jersey amber, Turonian 5. Notauli present; petiole with second segment longer than first segment...................................................... A. trigonokephalion Cockx, McKellar, Tappert, Vavrek & Muehlenbachs, 2020 (♂), Canadian amber, Campanian - Notauli absent; petiole with first segment longer or as long as second segment..................................... 6 6. Forewing posterobasal marginal seta present................................................................ 7 - Forewing posterobasal marginal seta absent............................................................... 11 7. Claval segments strongly compacted (sutures almost undistinguishable).......................................... 8 - Claval segments not strongly compacted (sutures distinguishable)............................................... 9 8. Lengths of funicular segments increase towards apex; mesosoma longer than gaster............................................................................... A. minutissimum (Brues, 1937) (♀, ♂), Canadian amber, Campanian - Lengths of funicular segments similar; mesosoma shorter than gaster in females................................................................................. A. nearcticum Yoshimoto, 1975 (♀, ♂), Canadian amber, Campanian 9. Mesoscutum without apparent sculpture; forewing marginal fringe with 31 long, erect setae.......................................................................... A. chisatoi Aiba & Inosa, 2024 (♀, ♂), Japanese amber, Coniacian - Mesoscutum with evident sculpture; forewing marginal fringe with 36–38 long, erect setae.......................... 10 10. Mesoscutum with transverse, striate sculpture; forewing posterobasal marginal seta offset by a series of nine short, posterior setae...................... A. japonicum (Fursov, Shirota, Nomiya & Yamagishi, 2002) (♂), Japanese amber, Santonian - Mesoscutum with reticulate sculpture; forewing posterobasal marginal seta offset by a series of four–five short, posterior setae...................................... A. senonicum (Kozlov & Rasnitsyn, 1979) (♀), Taimyr amber, Santonian 11. Forewing marginal fringe with 42–43 long, erect setae; forewing without mid-sized posterior setae; mesotibiae and metatibiae without pseudospurs; metatibiae with four distinct setae forming a comb on posterior distal margin............................................. A. hispanicum Ortega-Blanco, Peñalver, Delclòs & Engel, 2011 (♀, ♂), Spanish amber, Albian - Forewing marginal fringe with 38 long, erect setae; forewing with four mid-sized posterior setae; mesotibiae with two pseudospurs and metatibiae with four pseudospurs; metatibiae without setae forming a comb on posterior distal margin............................................................ A. phoenicium sp. nov. (♀), Lebanese amber, Barremian