Exilaulacus loculatus (lat.) Is a fossil species of hymenopteran riders of the genus Exilaulacus from the family Aulacidae . One of the oldest representatives of parasitic hymenoptera . Found in Cretaceous fossil remains ( Myanmar , Burmese amber , Cenomanian layer , about 100 Ma). The species epithet comes from the Latin word for a small cell, according to the very small first mediocubital cell 1mcu of the fore wing [1] .
| † Exilaulacus loculatus | ||||||||||||||||||||||
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| Exilaulacus loculatus Li, Shih & Ren, 2018 |
Content
Description
Small hymenoptera riders . Body length about 3.17 mm. The length of the stalked abdomen is 1.65 mm. Antennae 12-segmented (length 2.05 mm), scape 0.09 mm long. The mesosome is short and tall. The abdomen attaches high on the propodeum of the chest [1] . The species Exilaulacus loculatus was first described from amber remains in 2018 by Chinese entomologists LF Li, CK Shih and D. Ren. It is included in a separate genus Exilaulacus Li, Shih & Ren [1] [2] .
Notes
- ↑ 1 2 3 Li LF, AP Rasnitsyn , CK Shih, CC Labandeira, M. Buffington, DQ Li, and D. Ren. Phylogeny of Evanioidea (Hymenoptera, Apocrita), with descriptions of new Mesozoic species from China and Myanmar // Systematic Entomology : Journal. - London: The Royal Entomological Society & John Wiley & Sons , 2018 .-- Vol. 43, no. 4 . - P. 810-842. - ISSN 0307-6970 . - DOI : 10.1111 / syen.12315 .
- ↑ paleobiodb.org: † Exilaulacus loculatus Li et al. 2018 .
Literature
- Rasnitsyn A.P. Higher hymenoptera of the Mesozoic. - Proceedings of the Academy of Sciences of the USSR - M .: Nauka, 1975 .-- T. 147. - 132 p.
- Rasnitsyn A.P. Origin and evolution of Hymenoptera insects. - Proceedings of the Academy of Sciences of the USSR - M .: Nauka, 1980 .-- T. 174. - 190 p.
- Rasnitsyn, AP and Quicke, DLJ History of Insects . - Dordrecht: Kluwer Academic Publishers, 2002 .-- 517 p. - ISBN 1-4020-0026-X .