Longiclavula calvata Yao, Cai & Ren, sp. nov.

(Fig. 11 – 12)

Description: Male. Body almost 4 times as long as wide. Head disproportionately large, slightly shorter than pronotum, over 0.5 times as wide as base of pronotum; antenna thin and long, second segment about 1.5 times as long as third, third segment about 1.5 times as long as fourth; width between eyes about twice as wide as diameter of eye. Pronotum slightly transverse, about 1.4 times as wide as long, posterior margin over two times as long as anterior one; collar conspicuous. Costal margin of hemelytron nearly straight, corium with distinctly thickened embolium and almost 0.7 times as long as hemelytra, M extending at basal portion and terminating at apex of corium; clavus 2.8 times as long as wide; membrane with nearly 20 veins at distal part.

Dimensions (in mm): Body length 12, maximum width of abdomen 3.2; head length 1.63, width 1.63; antennal segment length I – IV: 0.26, 2.16, 1.42, 0.95; length of pronotum 1.74, width 2.37; length of hemelytra 8, width 2.63, anterior margin of corium length 5.84, clavus length 3.26, width 0.32.

Holotype: Specimen No. CNU­HE­NN 2006003. An almost completely preserved individual, dorsoventrally compressed.

Type locality and horizon: Jiulongshan Formation, Middle Jurassic Daohugou Village, Shantou Township, Ningcheng County, Inner Mongolia, China.

Etymology: The name derived from Latin calvata, “smooth.”

Female: Unknown.