A new planthopper family Yetkhatidae (Hemiptera, Fulgoromorpha, Fulgoroidea) from mid-Cretaceous Myanmar amber
A new family Yetkhatidae Song, Szwedo et Bourgoin fam. nov. from mid-Cretaceous amber of Myanmar is described.
The planthoppers, or Fulgoromorpha, form a very diversified unit of more than 13,600 species divided into 21 extant families plus 11 fossils ones (Bourgoin, 2019).
While studying samples from Myanmar Cretaceous amber, we discovered two specimens that were not possible to classify among these already known Cretaceous taxa and in any other existing families of Fulgoromorpha, although both show some similarity with Dictyopharidae or Achilidae.
A new family Yetkhatidae Song, Szwedo et Bourgoin fam. nov. from mid-Cretaceous amber of Myanmar is described. It is characterized by the tegmina with a triangular basal cell and in having the apex of the clavus closed, the female genitalia with robust endogonocoxal processes, the head capsule with trigones and foliated frontal margins, ridged lora (visible frontally) and by intermediate carinae on the meso-notum. Two new monotypic genera are described in this new family: Yetkhata Song, Szwedo & Bourgoin gen. nov., with Yetkhata jiangershii Song, Szwedo & Bourgoin sp. nov. and Parwaina Song, Szwedo & Bourgoin gen. nov. with Parwaina liuyei Song, Szwedo & Bourgoin sp. nov. A key to recognition of these genera is provided, and their morphological characters and disparity are briefly discussed.
Yetkhata jiangershii（left），Parwaina liuyei（right）
A. Yetkhata jiangershii，B,C. Parwaina liuyei（left）