The aculeate wasp family Sierolomorphidae (Hymenoptera) in the Early Cretaceous

Author:

Álvarez-Parra Sergio1ORCID,Engel Michael S234ORCID,Peñalver Enrique5ORCID,Azar Dany16ORCID

Affiliation:

1. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences , Nanjing 210008 , China

2. Division of Invertebrate Zoology, American Museum of Natural History , New York, NY 10024 , USA

3. Facultad de Ciencias Biológicas, Universidad Nacional Mayor de San Marcos , Lima , Perú

4. Departamento de Entomología, Museo de Historia Natural, Universidad Nacional Mayor de San Marcos , Lima , Perú

5. Instituto Geológico y Minero de España, CSIC , Valencia 46004 , Spain

6. Lebanese University, Faculty of Science II, Natural Sciences Department , Beirut , Lebanon

Abstract

Abstract The aculeate wasp family Sierolomorphidae is a small and enigmatic group including 14 species in 2 extant genera distributed in the Northern Hemisphere. Nothing is known about their biology, although ectoparasitoidism on insects has been speculated. Only 1 fossil genus from Turonian (Upper Cretaceous) amber was tentatively assigned to this family. The family Sierolomorphidae is recorded from the Early Cretaceous for the first time, representing the earliest occurrence of the family. Orisolemorpha dyscheres Álvarez-Parra and Engel gen. et sp. n. is described and figured from a male in upper Albian amber of San Just in Spain and is distinguished from all other genera in the family. The genus Loreisomorpha is here assigned to a new subfamily, Loreisomorphinae Álvarez-Parra and Engel subfam. n., based on its significant differences in wing venation relative to the remainder of the family. Taxonomic placement of the new genus is discussed, including a key for the fossil sierolomorphid genera. The ecology and biogeography of the family are reviewed. A checklist is provided of all living and fossil Sierolomorphidae.

Funder

CREI

Spanish MICIU

CONCYTEC

PROCIENCIA “Interinstitutional Alliances for Doctorate Programs”

Publisher

Oxford University Press (OUP)

Reference49 articles.

1. The wasps (Hymenoptera) from lower cretaceous Lebanese and Spanish ambers;Álvarez-Parra;Fossil Stud,2024

2. Cretaceous amniote integuments recorded through a taphonomic process unique to resins;Álvarez-Parra;Sci. Rep,2020

3. A braconid wasp (Hymenoptera, Braconidae) from the Lower Cretaceous amber of San Just, eastern Iberian Peninsula;Álvarez-Parra;ZooKeys,2022

4. Generic synopsis of Sierolomorphidae (Hymenoptera);Argaman;Isr. J. Entomol,1990

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