Graciliblatta bella Liang, Huang et Ren

Liang, Jun-Hui, Huang, Wei-Long & Ren, Dong, 2012, Graciliblatta bella gen. et sp. n. — a rare carnivorous cockroach (Insecta, Blattida, Raphidiomimidae) from the Middle Jurassic sediments of Daohugou in Inner Mongolia, China, Zootaxa 3449, pp. 62-68 : 63-66

Graciliblatta bella Liang, Huang et Ren , sp. nov.

(Figs.1–5)

Holotype. TNP42441-1, TNP42441-2, part and counterpart.

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

Derivation of name. The specific epithet is after bellus (L., beautiful), referring to the clear veins. Description. Middle-sized species (RFW: length/width: 19.0 mm/ 5.2 mm; LFW: 17.5 mm / 5.5 mm).

Line) 2. holotype of drawing Line) 1. counterpart and part, 2 - 42441 TNP, 1 - 42441 TNP. nov. sp, Ren & Huang, Liang bella Graciliblatta. 2, 1 FIGURES

. head of drawing. holotype of Photographs. nov. sp, Ren & Huang, Liang bella Graciliblatta. 4, 3 FIGURES Head prognathous, prolonged and narrow (length/width: 3.6 mm / 1.6 mm), unconcealed by pronotum, (Figs. 3, 4). Mandibles sclerotised, a single tooth preserved. Preserved labial palp two-segmented: first segment invisible, second and third segments the same length. Maxillary palp four-segmented, first segment invisible, third and fourth segments longer and wider than others (length of maxillary palp segments: third: 1.10 mm; fourth: 1.43 mm; fifth: 0.62 mm). Antennal socket ovoid, slightly transverse, scape quadrate. Eyes located at the base of head, elongate, divided.

Pronotum elongate (length/width: 5.0 mm/ 3.3 mm), with a colored stripe along lateral margins, and two dark stripes in the center.

Intercalary veins well developed in all wings and wings strongly sclerotised, especially hind wings. Coloration dark along fore margin of wings. Sc richly branched, with 7 (RFW) and 8 (LFW) branches; R expanded, with 17 (RFW) and 16 (LFW) branches, not reaching the tip of forewing, base of R with dark coloration; M divided basally into two straight branches, with a total of 10 (RFW) and 8 (LFW) veins at margin; CuA with 8 branches. Clavus elongate, anal veins with 7 (RFW) and 10 (LFW) branches, with tertiary braches. A diagonal kink present in anal field (Figs. 1a, 3b). Hind wing with simple Sc; R differentiated into R1 and Rs, R1 secondarily branched, 6 (RFW) and 4 (LFW) branches, Rs with 10 (RHW) and 9 (LHW) branches; M with 5 (RHW) and 6 (LHW) branches; CuA not preserved completely, basally most branches strong, sclerotised and with dark coloration; CuP simple. Reticulations present in CuA-CuP space.