Sierolomorphidae

The Sierolomorphidae are a family of 13 extant species of wasps, in the genera Sierolomorpha and Proscleroderma, mostly found in the Northern Hemisphere. They are rare and very little is known of their biology.[1] A fossil species Loreisomorpha nascimbenei has also been placed in the family.

Sierolomorphidae
Sierolomorpha canadensis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Suborder: Apocrita
Infraorder: Aculeata
Superfamily: Tiphioidea
Ashmead, 1903
Family: Sierolomorphidae
Brues & Melander, 1932
Genera

The coxa (basal segment of the leg) of the hind and midlegs are next to each other, and the hindwing does not have claval or jugal lobes. The first metasomal segment does not have a true node, but can appear like that of the ants. The metasomal sternum of the first segment is separated from the second by a constriction. Sexual dimorphism varies among species from slight to marked, with both males and females having wings, but females are sometimes wingless. Adults are predominantly dark brown or black in colour. They are solitary and the larvae are suspected to be ectoparasitoids of other insects.[2]

Diversity

There are 13 known living species with 5 from the Palaearctic Region; 7 from North and Central America; and 1 from Hawaii. Species include:[3]

Extant taxa
  • Proscleroderma punctatum Kieffer 1906 (from Syria)[4]
  • Sierolomorpha apache Evans, 1961 (N. America)
  • Sierolomorpha atropos Nagy, 1971 (Mongolia, Eastern Russia)
  • Sierolomorpha barri Miller, 1986 (N. America)
  • Sierolomorpha bicolor Evans, 1961 (N. America)
  • Sierolomorpha brevicornis Evans, 1961 (N. America)
  • Sierolomorpha canadensis (Provancher, 1888) (N. America)
  • Sierolomorpha hospes Perkins, 1910 (Hawaii)
  • Sierolomorpha isis Nagy, 1971 (Uzbekistan)
  • Sierolomorpha nigrescens Evans, 1961 (N. America)
  • Sierolomorpha similis Evans, 1961 (N. America)
  • Sierolomorpha sogdiana Lelej & Mokrousov (from Uzbekistan)
  • Sierolomorpha trjapitzini Mokrousov & Lelej, 2018 (from Eastern Russia[5])

Extinct taxa
  • † Loreisomorpha nascimbenei Rasnitsyn, 2000 (Described from Late Cretaceous amber of New Jersey)

References
  1. Quicke, Donald L. J. (2009). "Hymenoptera". In Resh, Vincent H.; Cardé, Ring T. (eds.). Encyclopedia of Insects (2nd ed.). Academic Press. p. 480. ISBN 978-0-08-092090-0.
  2. Goulet, H.; Huber, J.T., eds. (1993). Hymenoptera of the world: an identification guide to families. Agriculture Canada. p. 202. ISBN 978-0660149332. OCLC 28024976.
  3. Lelej, Arkady S.; Mokrousov, Mikhail V. (2015). "Sierolomorpha sogdiana spec. nov. from Central Asia, and a World catalogue of Sierolomorphidae (Hymenoptera)". Zootaxa. 4018 (4): 593–599. doi:10.11646/zootaxa.4018.4.8. ISSN 1175-5334. PMID 26624059.
  4. Argaman, Q. (1990). "Generic synopsis of Sierolomorphidae (Hymenoptera)" (PDF). Israel Journal of Entomology. 24: 29–33.
  5. Mokrousov, M. V.; Lelej, A. S.; Fadeev, K. I. (2018). "New data on the Palaearctic wasps of the genus Sierolomorpha Ashmead, 1903 (Hymenoptera, Sierolomorphidae) with description of S. trjapitzini sp. n. from Primorskii Territory, Russia". Entomological Review. 98 (6): 737–742. doi:10.1134/S0013873818060106. ISSN 0013-8738. S2CID 255270094.
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