Stephanidae Leach 1815
Creators
- 1. University of Kansas, Natural History Museum, Lawrence, United States of America
- 2. Departament d'Estratigrafia, Paleontologia i Geociències Marines, Facultat de Geologia, Universitat de Barcelona, Barcelona, Spain & F 597 B 757 & F- 921 F- 47085 A 576641
Description
Revised key to Baltic Amber Stephanidae
1 First metasomal tergum and sternum fused laterally to form distinct petiole (Denaeostephanus Engel & Grimaldi)..........................................................2
– First metasomal tergum and sternum not fused, separated by small membranous area (“pseudo-petiole”) (Electrostephanus Brues).................................. 3
2 Metafemur with two principal teeth, one near midlength and one near apical quarter............................................................ D. sulcatus (Aguiar & Janzen)
– Metafemur with three principal teeth, one near proximal quarter, one near midlength, and one near apex...................................... D. tridentatus (Brues)
3 Forewing vein Rs+M b absent or scarcely present; bullae absent...................4
– Forewing vein Rs+M b distinctly present; bullae present....................................................................................................... E. neovenatus Aguiar & Janzen
4 Forewing 2Cu a and 2Cu b absent or nebulous; Rs+M b absent or scarcely present; pseudo-petiole short, one-half mesosomal length or less; gaster relatively robust, distinctly thicker than pseudo-petiole; metafemur with two principal teeth, one near midlength, one near apex; antenna with fewer than 20 articles; smaller species, males 4–7.1 mm in length................................5
– Forewing 2Cu a and 2Cu b present and tubular; Rs+M b absent; petiole elongate, nearly as long as mesosoma; gaster slender, tapering gradually from pseudopetiole to apex; metafemur with three principal teeth, one proximally, one near midlength, one near apex; antenna with 23 articles; larger species, males 9.0–10.0 mm in length (subgenus Electrostephanodes n. subgen.).......................................................................................................... E. petiolatus Brues
5 Male antenna with 14 articles; second through fourth flagellar articles each widened apically and about three times longer than wide; forewing Rs+M b scarcely present (exceedingly short), 2Cu a and 2Cu b nebulous; moderatesized species, males 6.0– 7.1 mm in length........................... E. janzeni Engel
– Male antenna with 17 articles; second and third flagellar articles each widened apically and 2.5 times longer than wide, fourth flagellar article not widened apically and three times longer than wide; forewing Rs+M b, 2Cu a, and 2Cu b absent; smaller species, male 4.2 mm in length............... E. brevicornis Brues
Notes
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Linked records
Additional details
Identifiers
Related works
- Is part of
- Journal article: 10.3897/zookeys.4.49 (DOI)
- Journal article: http://zenodo.org/record/576424 (URL)
- Journal article: http://publication.plazi.org/id/FA3D0024FFD8FFB8FFDAE412E86B6C66 (URL)
- Journal article: http://zoobank.org/695276C3-BA8B-4BCF-9754-A86CC7B1C77D (URL)
Biodiversity
- Family
- Stephanidae
- Kingdom
- Animalia
- Order
- Hymenoptera
- Phylum
- Arthropoda
- Scientific name authorship
- Leach
- Taxon rank
- family
- Taxonomic concept label
- Stephanidae Leach, 1815 sec. Engel & Ortega-Blanco, 2008