Corollpachymeridium heteroneurus, Lu, Ying, Yao, Yunzhi & Ren, Dong, 2011

Lu, Ying, Yao, Yunzhi & Ren, Dong, 2011, Two new genera and species of fossil true bugs (Hemiptera: Heteroptera: Pachymeridiidae) from northeastern China, Zootaxa 2835, pp. 41-52 : 48-50

Corollpachymeridium heteroneurus sp. nov.

( Fig. 3 , Plate 3)

Etymology. The name derived from Latin heteroneurus (‘different veins’).

Description. Length of body about 1.84 times as long as wide. Antenna slender, first segment shortest, second subequal in length to third and fourth, they about 3 times as long as first; rostrum thin, second segment 1.36 times as long as first and 1.16 times as long as third, third about 1.63 times as long as fourth; eyes interocular space about 3 times as wide as eye diameter in dorsal view, anteocular portion 11 times as long as postocular. Pronotum nearly 2.69 times as wide as long, posterior about 2 times as long as anterior margin, lateral margins convex, anterior and posterior angles feebly rounded; scutellum feebly shorter than pronotum at median line, 1.56 times as wide as long; all femora stout, about 2 times as thick as corresponding tibiae, fore and mid tibiae subequal in length with corresponding femora, tarsi elongated, almost 0.5 times as long as corresponding tibiae, with two claws at apex of tarsi, second segment shortest, fore tarsi first about 1.37 times as long as second, and 1.72 times in mid tarsi, fore tarsi third about 1.68 times as long as second, and 2.45 times in mid tarsi, hind legs distinctly longer than fore and mid legs, tibia 1.27 times as long as femur, hind tarsi similar to fore and mid tarsi, tarsi first about 1.31 times as long as second; third about 1.89 times as long as second. Forewing not extending beyond abdominal tip, apex distinctly round, anterior margin of corium 0.77 times as long as hemelytron, apical 1/4 of corium with a costal fracture, membrane with seven simple longitudinal veins, first vein situated remote from anterior margin of membrane, fourth and fifth veins merging into one vein before middle of membrane, corium venation prominent, Sc, R and M diverging at closed two separately points, base of membrane with one large black marking, a round depigmented marking in the bottom of the black marking, diameter nearly 0.17 times as long as hemelytron wide, clavus wide and large, length nearly 4.26 times as long as wide and half of hemelytron length; ovipositor one-fifth as long as body.

PLATE 3. Corollpachymeridium heteroneurus gen. et sp. nov. Scale bar represents 2 mm. a. Holotype, Ƥ, CNU-HET- NN2010180C; b. Holotype, Ƥ, CNU-HET-NN2010180P.

Measurements (in mm). Body length 6.19; maximal width of body 3.36; head length 1.00, width 1.33; length antennal segments I–IV: 0.33, 1.00, 1.00, 1.00; length rostral I–IV: 0.66, 0.91, 0.77, 0.55; length pronotum 0.97, width 2.61; length scutellum 0.88, width 1.38; length hemelytra 4.38, width 1.94, length anterior margin of corium 3.41, diameter the black round marking 0.33, length clavus 2.22, width 0.52; length fore leg: femur 1.50, tibia 1.52, tarsomeres I–III: 0.22, 0.16, 0.27; length middle leg: femur 1.58, tibia 1.61, tarsomeres I–III: 0.19, 0.11, 0.27; length hind leg: femur 2.00, tibia 2.55, tarsomeres I–III: 0.25, 0.19, 0.36; length ovipositor 1.47.

Material. Holotype, Ƥ, CNU-HET-NN2010180PC (dorsoventrally compressed, part and counterpart). Locality and horizon. Daohugou Village, Shantou Township, Ningcheng County, Inner Mongolia, China (N41°18.979ʹ, E119°14.318ʹ), Jiulongshan Formation, Middle Jurassic.

Figures

FIGURE 3. Corollpachymeridium heteroneurus gen. et sp. nov. outline. (a – b) Holotype, CNU-HET-NN 2010180, Ƥ, part and counterpart: (a) dorsal view; (b) ventral view. Scale bar represents 1 mm.