Poljanka hirsuta Yang, Yao & Ren 2012

Taxonomy

Plant Lice

Kingdom: Animalia
Phylum: Arthropoda Latreille 1829
Class: Insecta Linnaeus 1758
Order: Hemiptera Linnaeus 1758
Family: Protopsyllidiidae Becker-Migdisova 1960
Genus: Poljanka
Species: Poljanka hirsuta
Author Citation Yang, Yao & Ren 2012

Geological Time Scale

Eon: Phanerozoic
Era: Mesozoic
Period: Jurassic
Sub Period: None
Epoch: Middle
International Age: Callovian to Oxfordian

Stratigraphy

Jiulongshan Formation
Daohugou Bed

Provenance

Acquired by: Purchase/Trade

Dimensions

Length: 5 mm

Location

Daohugou (Village)
Ningcheng (County)
Inner Mongolia (Province)
China

• daohugou
• hemiptera
• jiulongshan
• jurassic
• nei mongol
• poljanka
• tff-oilshale-ar1785

Comments

Taxonomy from Fossilworks.org.
Diagnosis from Yang et al. 2012, p. 38: "Scapus 1.50 times thicker than pedicelli, pedicelli two times thicker than flagellomeres, apical flagellomere swollen; femora about two times thicker than corresponding tibiae, hind tibiae 1.46–1.57 times longer than fore and mid tibiae, first tarsomere of fore legs 1.33 times longer than second, first tarsomere of mid legs 1.50 times longer than second, first tarsomere of hind legs 2.31 times longer than second; R₁ reduced, vein M+CuA about 1.57 times longer than vein R, branches of M about 2.22–2.39 times longer than M."

Line drawing from Yang et al. 2012, p. 39:

References: 
G. Yang, Y. Yao & D. Ren (2012). A new species of Protopsyllidiidae (Hemiptera, Sternorrhyncha) from the Middle Jurassic of China. Zootaxa 3274: 36–42.
G. Yang, Y. Yao & D. Ren (2013). Poljanka strigosa, a new species of Protopsyllidiidae (Hemiptera, Sternorrhyncha) from the Middle Jurassic of China. Alcheringa , 125–130. ISSN 0311-5518.
Drohojowska, J., Szwedo, J., Żyła, D. et al. (2020). Fossils reshape the Sternorrhyncha evolutionary tree (Insecta, Hemiptera). Sci Rep 10, 11390. https://doi.org/10.1038/s41598-020-68220-x