Articles | Volume 22, issue 1
Research article
15 May 2019
Research article |  | 15 May 2019

Notes on rhopalosomatid wasps of Dominican and Mexican amber (Hymenoptera: Rhopalosomatidae) with a description of the first fossil species of Rhopalosoma Cresson, 1865

Volker Lohrmann, Michael Ohl, Peter Michalik, James P. Pitts, Laurent Jeanneau, and Vincent Perrichot

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Cited articles

Anderson, K. B.: The nature and fate of natural resins in the geosphere – IV. Middle and Upper Cretaceous amber from the Taimyr Peninsula, Siberia – evidence for a new form of polylabdanoid of resinite and revision of the classification of Class I resinites, Org. Geochem., 21, 209–212, 1994. 
Anderson, K. B.: New evidence concerning the structure, composition, and maturation of class Ib (Polylabdanoid) resinites, in: Amber, resinite, and fossil resins, edited by: Anderson, K. B. and Crelling, J. C., American Chemical Society Symposium Series, 617, 105–129, 1995. 
Anderson, K. B., Winans, R. E., and Botto, R. E.: The nature and fate of natural resins in the geosphere – II. Identification, classification and nomenclature of resinites, Org. Geochem., 18, 829–841, 1992. 
Archibald, S. B., Rasnitsyn, A. P., Brothers, D. J., and Mathewes, R. W.: Modernisation of the Hymenoptera: ants, bees, wasps, and sawflies of the early Eocene Okanagan Highlands of western North America, Can. Entomol., 150, 205–257, 2018. 
Ashmead, W. H.: Rhopalosomidae [sic!], a new family of fossorial wasps, P. Entomol. Soc. Wash., 3, 303–310, 1896. 
Short summary
Here, we report three new fossil rhopalosomatid wasp specimens from Dominican and Mexican amber. Rhopalosoma hispaniola Lohrmann sp. nov. is described and documented from Dominican amber by two separate inclusions – one of each sex. An additional fossil female Rhopalosoma is described and documented from Mexican amber. The new fossils do not only represent the first fossil records of an extant genus of this peculiar family but also the first records of the family in Dominican and Mexican amber.