Mesochodaeus daohugouensis, Ren, Dong, 2010

Ren, Dong, 2010, The oldest fossil Ochodaeidae (Coleoptera: Scarabaeoidea) from the Middle Jurassic of China, Zootaxa 2553, pp. 65-68 : 66-67

publication ID

https://doi.org/ 10.5281/zenodo.196844

DOI

https://doi.org/10.5281/zenodo.6208282

persistent identifier

https://treatment.plazi.org/id/EC7387F1-497C-FFDF-DFF8-FF43FF133170

treatment provided by

Plazi

scientific name

Mesochodaeus daohugouensis
status

sp. nov.

Mesochodaeus daohugouensis View in CoL sp. nov.

( Figs. 1 View FIGURE 1 , 2)

Holotype: CNU-COL-NN2009728, imprint of dorsal view, with good visible antennal club and left middle leg.

Etymology: The name of the new species is given for the locality where the fossil was collected.

Description: Body length 11.05 mm (excluding the apex of pygidium). Labrum bilobed. Anterior margin of clypeus nearly straight. Head slightly wider than long. Frons with two tubercles at anterior margin. Pronotum emarginate laterally, with arcuate lateral edges. Scutellum triangular. Elytra with striae, slightly wider than prothorax. Mesotibia distinctly longer than mesotarsus. Mesotarsomere 1 somewhat longer than mesotarsomeres 2 and 3 combined.

Measurements: Body length 11.05 mm (excluding the apex of pygidium); width of head 2.5 mm; median length of pronotum 2.5 mm, width 4.7 mm; elytron length at least 7.1 mm, width 3.4 mm; mesotibia length 2.3 mm; mesotarsus length 1.9 mm.

Remark: A comparison and diagnosis of the new species with other Mesozoic Ochodaeidae is given in the key below.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Ochodaeidae

Genus

Mesochodaeus

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