Collivetanthocoris rapax, 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 : 16-19

Collivetanthocoris rapax sp. nov.

( Figs. 22–29 )

Description. Body about 3.5 times as long as wide. Head slightly shorter than pronotum, 1.2 times as wide as long; rostrum longer than head and pronotum combined, third segment about 9 times as long as first, about 3.4 times as long as second; apical 1/4 of second antennal segment black, about 4 times as long as first, 2.5 times as long as fourth, third segment almost 1.3 times as long as fourth; ocelli situated at front or near level of posterior margins of eyes, interocular space wider than interocellar space, eye about 0.7 times as wide as vertex. Pronotum with narrow pale markings laterally, 2 times as wide as long, anterior margin about 0.4 times as long as posterior, lateral and posterior margins nearly straight, anterior margin feebly concave; scutellum shorter than pronotum at midline, 1.4 times as wide as long; femora stout, nearly two times as thick as corresponding tibiae, spines of tibiae shorter than diameter of tibia, fore and mid femora subequal to corresponding tibiae in length, tarsus 0.4 times as long as corresponding tibia; hind legs distinctly longer than fore and mid legs, tibia 1.4 times as long as hind femur, tarsus 0.3 times as long as hind tibia. Fore wing extending beyond tip of abdomen by onefifth of hemelytron length, inner margin of clavus, inner margin of exocorium, and marking before cuneus pale, fore wing costal margin feebly convex, corium with distinctly thickened embolium, middle with a deep median fracture, longer than half of corium; embolar fracture arising from near middle of median fracture, ending at middle of anterior margin of corium, clavus wide and large, nearly 4.8 times as long as wide, almost 0.6 times longer than hemelytron; cuneus dark, longer than its width; membrane with over 12 longitudinal veins. Dorsal laterotergites almost 0.25 times wider than abdomen.

Dimensions (in mm). Body length 11.0 (ɗ), 10 (Ψ); maximum width of body 3.7 (ɗ), 3.8 (Ψ); head length 1.3 (ɗ), 1.3 (Ψ), width 1.4 (ɗ), 1.4 (Ψ); length antennal segments I–V: 0.6, 2.4, 1.3,? (ɗ), 0.6, 2.4, 1.5, 1.1 (Ψ); length rostral segments I–IV: 0.3, 0.8, 2.7,? (Ψ); length pronotum 1.7 (ɗ), 1.8 (Ψ), width 3.7 (ɗ), 3.1 (Ψ); length scutellum 1.6 (Ψ), width 2.2 (Ψ); length hemelytron 9.7 (ɗ), 9.1 (Ψ), width 3.1 (Ψ), length anterior margin of corium 7.1 (ɗ), 6.8(Ψ), length clavus 4.3 (Ψ), 0.9 (Ψ); length fore leg: femur 2.5 (ɗ), 2.6 (Ψ), tibia 2.5 (ɗ), 2.6 (Ψ), tarsomeres I–III: 0.14, 0.22, 0.44 (Ψ); length middle leg: femur 2.6(ɗ), 2.9(Ψ), tibia2.8 (ɗ), 2.9(Ψ), tarsomeres I–III: 0.27, 0.33, 0.6 (ɗ), 0.29, 0.34, 0.57 (Ψ); length hind leg: femur 3.4 (ɗ), 3.3 (Ψ), tibia 4.8 (ɗ), 4.7 (Ψ), tarsomeres I–III: total 1.4 (ɗ), 0.44, 0.44, 0.67 (Ψ); length ovipositor 1.9.

Type materials. Holotype, ɗ, CNU-HE-LB2006057 (dorsoventrally compressed); paratypes, 2 Ψ, CNU-HE-LB2006050 (dorsoventrally compressed) and CNU-HE- LB2006067-68 (part and counterpart).

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

Etymology. The name is derived from the Latin rapax (ferocious), alluding to its predatory rostrum.

Figures

FIGURES 22 – 25. Collivetanthocoris rapax gen. & sp. nov. 22. Holotype, ♂, CNU-HE- LB 2006057; 23. paratype, Ψ, CNU-HE-LB 2006050; 24 – 25. paratype, Ψ, CNU-HE-LB 2006067 - 68, part and counterpart: 24. dorsal view; 25. ventral view. Scale bar = 1 mm.

FIGURES 26 – 29. Collivetanthocoris rapax gen. & sp. nov. Photograph. 26. Holotype, ♂, CNU- HE-LB 2006057; 27. paratype, Ψ, CNU-HE-LB 2006056; 28 – 29. paratype, Ψ, CNU-HE- LB 2006067 - 68: 28. part, 29. counterpart. Scale bar = 1 mm.