A new megaspilid wasp from Eocene Baltic amber (Hymenoptera: Ceraphronoidea), with notes on two non-ceraphronoid families: Radiophronidae and Stigmaphronidae

View article
Paleontology and Evolutionary Science

Main article text

 

Introduction

1. Compact mesosoma.

2. Orientation of the toruli and antennal bases.

3. Articulation between pronotum and mesoscutum.

4. Wing venation.

Materials and Methods

Results

Conostigmus

Conostigmus talamasi Mikó and Trietsch sp. nov.

Diagnosis.
Description.

Locality of type specimens

Etymology

Discussion

Megaspilus vs. Conostigmus

Ceraphronoid and non-ceraphronoid fossils

Dendrocerus dubitatus (Brues, 1937)

Stigmaphronidae

Radiophronidae

Is Ceraphronoidea the most structurally diverse hymenopteran superfamily?

Supplemental Information

Measurements of anatomical lines

DOI: 10.7717/peerj.5174/supp-1

Timeline of fossils that have been classified as Ceraphronoidea

Names above the timeline are now considered as Ceraphronoidea, while names below are taxa removed from Ceraphronoidea and considered as incertae sedis (R, Radiophronidae; S, Stigmaphronidae; M, Megapilidae; Ce, Ceraphronidae; references cited on the Figure: Rasnitsyn (1991); Engel & Grimaldi (2009); Ortega-Blanco, Delclòs & Engel (2011), Ortega-Blanco, Rasnitsyn & Delclós (2010); Muesebeck (1963); Kozlov (1975); McKellar & Engel (2011); Brues (1937); Alekseev & Rasnitsyn (1981); Alekseev (1995); Brues (1940); Szabó & Oehlke (1986); Dessart (1977); Engel (2013); Pealver & Engel (2006).

DOI: 10.7717/peerj.5174/supp-2

Brightfield images of the holotype of Dendrocerus dubitatus Brues, 1937

This species is considered now as incertae sedis.

DOI: 10.7717/peerj.5174/supp-3

Supplementary 3D PDF of synchrotron-based micro-CT

DOI: 10.7717/peerj.5174/supp-4

Additional Information and Declarations

Competing Interests

The authors declare there are no competing interests.

Author Contributions

István Mikó conceived and designed the experiments, performed the experiments, analyzed the data, prepared figures and/or tables, authored and reviewed drafts of the paper.

Thomas van de Kamp conceived and designed the experiments, performed the experiments, analyzed the data, prepared figures, approved the final draft.

Carolyn Trietsch analyzed the data, edited and approved the final draft.

Jonah M. Ulmer and Marcus Zuber analyzed the data.

Tilo Baumbach contributed reagents/materials/analysis tools.

Andrew R. Deans contributed reagents/materials/analysis tools, approved the final draft.

Data Availability

The following information was supplied regarding data availability:

Github: https://github.com/hymao/hymao-data

Mikó, István (2018): 3D pdf of the surface rendered model of Conostigmus sp. nov. (Hymenoptera: Ceraphronoidea) from the Baltic amber. figshare. Figure. https://doi.org/10.6084/m9.figshare.5930455.v1

The specimens are permanently accessioned at the Deutsches Entomologisches Institut, Müncheberg, Germany (SDEI):

DEI-GISHym31819 HOLOTYPE Conostigmus talamasi Mikó & Trietsch

DEI-GISHym31820 PARATYPE Conostigmus talamasi Mikó & Trietsch.

New Species Registration

The following information was supplied regarding the registration of a newly described species:

Publication LSID: urn:lsid:zoobank.org:pub:0B233959-77FE-46F1-AB82- 15C7F816D0BA

Genus name: urn:lsid:zoobank.org:act:97EEB4F9-113A-41AD-93D7-175ABFEE64DF

Species name: urn:lsid:zoobank.org:act:B9777D1A-78D0-48B2-90F7-511DE4830EA9.

Funding

Research at KIT was partially funded by the German Federal Ministry of Education and Research (BMBF) by grants 05K2012 (UFO2), 05K2013 (ASTOR) and 05K2016 (NOVA). This material is based upon work supported by the US National Science Foundation, under Grant Numbers DBI-1356381 and DEB-1353252. There was no additional external funding received for this study. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

8 Citations 4,748 Views 559 Downloads