Archaeromma Yoshimoto 1975
Creators: name: Álvarez-Parra, Sergio
name: Rasnitsyn, Alexandr P.
name: Azar, Dany
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Mymarommatidae
Archaeromma

description: 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
description: Published as part of Álvarez-Parra, Sergio, Rasnitsyn, Alexandr P. & Azar, Dany, 2024, The oldest false fairy wasp (Hymenoptera: Mymarommatidae) from Lower Cretaceous Lebanese amber, pp. 45-55 in Zootaxa 5562 (1) on page 51, DOI: 10.11646/zootaxa.5562.1.8, http://zenodo.org/record/14595752