Vetanthocoris decorus, Yao, Yunzhi, Cai, Wanzhi & Ren, Dong, 2006

Yao, Yunzhi, Cai, Wanzhi & Ren, Dong, 2006, Fossil flower bugs (Heteroptera: Cimicomorpha: Cimicoidea) from the Late Jurassic of Northeast China, including a new family, Vetanthocoridae, Zootaxa 1360, pp. 1-40 : 8-9

Vetanthocoris decorus sp. nov.

( Figs. 1–17 )

Description. Body oval, about 2.6 times as long as wide. Head slightly shorter than pronotum, width subequal to length; antenna longer than head, pronotum, and scutellum combined, second segment with delicate setae, apical 1/5 black, about 2 times as long as third, 2.5 times as long as fourth; eyes somewhat prominent, ocelli situated at front or near level of posterior margins of eyes, interocular space wider than interocellar space. Pronotum with narrow markings laterally, 2.5 times as wide as long, anterior margin about 0.5 times as long as posterior one, sides very convex, anterior and posterior margins feebly concave, anterior and posterior angles rounded; scutellum longer than pronotum at midline, 1.3 times as wide as long; femora stout, over 2 times as thick as corresponding tibiae, with dense setae, fore and mid femora subequal to corresponding tibiae in length, tarsi elongate, almost 0.5 times as long as corresponding tibiae; hind legs distinctly longer than fore and mid legs, tibia almost 1.3 times as long as femur, hind tarsi longer than fore and mid tarsi, almost 0.3 times as long as hind tibiae; hemelytra reaching tip of abdomen, inner margin of clavus, basal portion, and inner margin of exocorium, middle of corium, and area between corium and cuneus with paler markings, corium and clavus with dense setae, costal margin of hemelytron feebly convex, corium with distinctly thickened embolium, middle with deep median fracture, nearly 0.5 times of corium in length; clavus wide, large, nearly 4 times as long as wide, almost 0.4 times of hemelytron in length; cuneus dark, longer than its width; membrane with 12 longitudinal veins. Abdomen wider than pronotum, dorsal laterotergites almost 0.25 times of abdomen in width.

Dimensions (in mm). Body length 11.3 (ɗ), 11.6 (Ψ); maximum width of body 4.5 (ɗ), 4.5 (Ψ); head length 1.2 (ɗ), 1.4 (Ψ), width 1.3 (ɗ), 1.4 (Ψ); length antennal segments I–V: 0.7, 2.8, 1.25, 0.8 (ɗ), 0.68, 2.3, 1.24, 0.92 (Ψ); length rostral segments I–IV: 0.35, 0.7, 3.0, 0.7 (ɗ), 0.32, 1, 3.0, 0.9 (Ψ); length pronotum 1.3 (ɗ), 1.6 (Ψ), width 4.1 (ɗ), 4.1 (Ψ); length scutellum 1.8 (ɗ), 2.1 (Ψ), width 2.4 (ɗ), 2.9 (Ψ); length hemelytron 9.4 (ɗ), 9.6 (Ψ), width 3.0 (ɗ), 3.1 (Ψ), length anterior margin of corium 6.5 (ɗ), 6.8(Ψ), length clavus 4.0 (ɗ), 4.3 (Ψ), width 1.0 (ɗ), 1.1 (Ψ); length fore leg: femur 2.3 (ɗ), 2.2 (Ψ), tibia 2.3 (ɗ), 2.2 (Ψ), tarsomeres I–III: total long 1.0(ɗ), 0.27, 0.32, 0.51, total long 1.1(Ψ); length middle leg: femur 2.7(Ψ), tibia 2.9 (ɗ), 2.7(Ψ), tarsomeres I–III: 0.32, 0.32, 0.51, total 1.15(ɗ), 0.24, 0.4, 0.49, total 1.13 (Ψ); length hind leg: femur 3.5 (ɗ), 4.0 (Ψ), tibia 4.4 (ɗ), 4.6 (Ψ), tarsomeres I–III: 0.35, 0.35, 0.7, total 1.4 (ɗ), 0.46, 0.46, 0.62, total 1.54 (Ψ); length ovipositor 1.8.

Type material. Holotype, Ψ, CNU-HE-LB2006058 (dorsoventrally compressed); paratypes, 10 ɗ: CNU-HE-LB2006047/049/060/062/085/086/088 (dorsoventrally compressed), CNU-HE-LB2006054/059/064 (laterally compressed); 28 Ψ: CNU-HE- LB2006039-040/041-042/045-046/055-056/065-066 (part and counterpart), CNU-HE- LB2006038/048/051/053/061/063/069/070/071/072/073/074/075/076/077/078/079/080/ 087/089/090/091/095 (dorsoventrally compressed).

Locality and horizon. Yixian Formation, Late Jurassic Chaomidian Village, Beipiao City, Liaoning Province, China.

Etymology. The name is derived from the Latin decorus (colorful).

Figures

FIGURES 1 – 4. Vetanthocoris decorus, gen. & sp. nov. 1 – 2. Holotype, Ψ, CNU-HE-LB 2006058: 1. dorsal view, 2. ventral view; 3. paratype, ♂, CNU-HE-LB 2006047; 4. paratype, ♂, CNU-HE- LB 2006054. Scale bar = 1 mm.

FIGURES 5 – 8. Vetanthocoris decorus, gen. & sp. nov. Photograph. 5. Holotype, ♂, CNU-HE- LB 2006058; 6. paratype, Ψ, CNU-HE-LB 2006054; 7 – 8. paratype, CNU-HE-LB 2006045 - 046: 7. part, 8. counterpart. Scale bar = 1 mm.

FIGURES 9 – 14. Vetanthocoris decorus gen. & sp. nov. 9. Head and rostrum, paratype, Ψ, CNU- HE-LB 2006076; 10. fore wing, paratype, Ψ, CNU-HE- LB 2006048; 11. antenna, paratype, Ψ, CNU-HE-LB 2006065; 12. fore leg, paratype, Ψ, CNU-HE-LB 2006053; 13. mid leg, paratype, Ψ, CNU-HE-LB 2006075; 14. hind leg, paratype, Ψ, CNU-HE-LB 2006075. Scale bar = 1 mm.

FIGURES 15 – 17. Vetanthocoris decorus gen. & sp. nov. Photograph. 15. Head, antenna and rostrum, paratype, Ψ, CNU-HE-LB 2006076; 16. fore wing, paratype, Ψ, CNU-HE- LB 2006095; 17. abdomen and ovipositor, paratype, Ψ, CNU-HE-LB 2006095. Scale bar = 1 mm.