4.5 Article

A new antlion genus (Neuroptera: Myrmeleontidae) from mid- Cretaceous amber of northern Myanmar

Journal

CRETACEOUS RESEARCH
Volume 134, Issue -, Pages -

Publisher

ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cretres.2022.105162

Keywords

Cretaceous; Myanmar amber; Myrmeleontidae; New genus; Female genitalia

Funding

  1. National Natural Science Foundation of China [31900348, 31972871]
  2. Shanghai Sailing Program [19YF1443000]

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A new genus and species of the lacewing family Myrmeleontidae, Xiaoleon amoena gen. et sp. nov., is reported based on a well-preserved female specimen in amber. The new species has unique characteristics and exhibits a rare pair of sclerites in females.
A new genus and species of the lacewing family Myrmeleontidae, Xiaoleon amoena gen. et sp. nov., is reported based on an exqusitely preserved female specimen from the mid-Cretaceous amber of Myanmar. The new genus is characterized by the combination of the absence of presectoral crossvein in both fore-and hind wings, the deeply bifurcated forewing CuA2, and the pectinately branched hind wing CuA. Noticeably, the female of the new species possesses a pair of large valvate sclerites on the abdominal segment 7 (interpreted as the putative gonocoxites 7), which had yet been found in Myrmeleontidae.(c) 2022 Elsevier Ltd. All rights reserved.

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