Xiphovelia fulva, Ye, Zhen & Bu, Wenjun, 2015

Ye, Zhen & Bu, Wenjun, 2015, A review of the genus Xiphovelia Lundblad, 1933 (Hemiptera: Heteroptera: Veliidae) from China, with descriptions of three new species, Zootaxa 3946 (2), pp. 190-200: 196-197

publication ID

http://dx.doi.org/10.11646/zootaxa.3946.2.2

publication LSID

lsid:zoobank.org:pub:5FCE5FD6-2AEF-40A4-9AB3-689E30FD28D4

DOI

http://doi.org/10.5281/zenodo.6102824

persistent identifier

http://treatment.plazi.org/id/03E18726-FFA9-F118-29D6-F9CA069FF8C3

treatment provided by

Plazi

scientific name

Xiphovelia fulva
status

sp. nov.

Xiphovelia fulva   sp. nov.

( Figs. 8, 9, 10 View FIGURES 5 – 10 , 13, 17 View FIGURES 11 – 20 , 24, 28 View FIGURES 21 – 29 , 35 View FIGURES 33 – 36 , 37 View FIGURE 37 )

Type material. Holotype: apterous male, CHINA, Yunnan Prov., Xishuangbanna, Jinghong city, Puwen town, Caiyanghe River (22 ° 30 ' N, 101 °04' E), alt. 885 m, 25.IX. 2011, coll. Zhen Ye. Paratypes: CHINA, Yunnan Prov., 2 apterous males, 2 macropterous males and 3 macropterous females, same data as for holotype.

Diagnosis. X. fulva   sp. nov. can be distinguished with its closely related X. glauca   by relatively shorter body length (1.53–1.55) ( Fig. 8 View FIGURES 5 – 10 ); head dorsum yellowish brown ( Fig. 8 View FIGURES 5 – 10 ); position of silvery hair markings on abdominal tergites (laterally on mediotergum II, medially on mediotergites III – VII, and inner region on laterotergites III and VI); the ear-like process on each side of pygophore much wider in caudal view ( Fig. 28 View FIGURES 21 – 29 ).

Description. Apterous male ( Fig. 8 View FIGURES 5 – 10 ). Colour: ground colour brown; head dorsum yellowish brown, ventrally grayish, clypeus shining yellow, labrum shining black, rostrum yellowish brown with black apex; antennal segments I–II dark yellow, III–IV brown; pronotum with a transverse band brown, meso- and metanotum black, mesonotum with a pair of rounded, silvery hair markings; legs yellowish with apices of femora, tibiae and tarsi weakly infuscated ( Fig. 8 View FIGURES 5 – 10 ), apical half of fore femora ventrally with black patches ( Fig. 13 View FIGURES 11 – 20 ); abdomen dorsally black, mediotergites III–VII medially, mediotergite II laterally and inner region of laterotergites III and VI with silvery hair markings; abdominal segment VIII, pygophore yellowish (after dissection), each weakly infuscated apically ( Figs. 24, 28 View FIGURES 21 – 29 ).

Structural characteristics. Body length 1.53–1.54 (holotype: 1.54), greatest width 0.72–0.73 (holotype: 0.73), small-sized, body flat and oval, bearing short, grayish or silver, appressed pubescence; head short and wide, head length: 0.25–0.27, head width: 0.48–0.50, about 1.81 times head length; anterior margin of pronotum concaved; labrum reverse triangle; eyes globose, overlapping anterior pronotal angles; antennae about 0.56 times as long as body, length of antennal segments I–IV: 0.17, 0.20, 0.21, 0.28, antennal segment I stout, antennal segments II–III relatively slender, segment IV stouter than segment III; pronotum short and transverse, pronotum width: 0.51–0.53, pronotum length: 0.10–0.11, about 5.3 times as wide as long; mesonotum large and transverse, broadly fused with metanotum medially; legs with mainly decumbent, short setae except middle tibiae ventrally with relatively long, erect setae; fore femora ( Fig. 13 View FIGURES 11 – 20 ) straight and thick, fore tibiae ( Fig. 13 View FIGURES 11 – 20 ) slightly curved in apical part, length of grasping comb 0.10, about 0.29 times tibia length; middle trochanters long and slender, middle femora almost straight and thin, middle tibiae inner margin convexed, with a row of about 8–9 long erect bristles along inner margin, claws and ventral arolium of middle tarsal segment II leaf-like structure inserted subapically; hind femora stout and narrowed toward both ends, hind tibiae straight and longer than middle tibiae; length of leg segments (trochanters, femora, tibiae and tarsi): fore leg: 0.17, 0.40, 0.34 and 0.20, middle leg: 0.22, 0.49, 0.43 and 0.41 (0.18 + 0.23), hind leg: 0.15, 0.46, 0.53 and 0.27 (0.09 + 0.18); abdomen dorsally narrowed backwards, connexiva narrow and almost flat. Genital segments: abdominal segment VIII ( Fig. 24 View FIGURES 21 – 29 ) about 1.35 times as long as wide, posterior margin with some short, sparse, erect, black brown hairs; pygophore ( Fig. 28 View FIGURES 21 – 29 ) swollen at posterior end in ventral aspect and with a very broad ear-like process on each side; paramere rudimental.

Macropterous male ( Fig. 9 View FIGURES 5 – 10 ). Ground colour similar to that of apterous form; body small-sized, body length 1.89–1.90 (including forewings), greatest width: 0.89–0.90; head dark brown, paler along inner margin of eyes and hind margin of vertex, structure of head including antennae as in apterous male, head length: 0.29–0.31, head width: 0.48–0.50, about 1.67 times head length, antennae about 0.47 times as long as body, length of antennal segments I–IV: 0.18, 0.20, 0.21, 0.30; pronotum large and pentagonal, pronotum width: 0.89–0.90, pronotum length: 0.69–0.71, about 1.29 times as wide as long, a yellowish brown band along anterior margin of pronotum; length of leg segments (trochanters, femora, tibiae and tarsi): fore leg: 0.18, 0.45, 0.38 and 0.20, middle leg: 0.21, 0.55, 0.45, and 0.40 (0.18 + 0.22), hind leg: 0.14, 0.53, 0.60 and 0.28 (0.10 + 0.18); forewings mainly blackish brown except basal part, whitish, tip slightly surpassing abdominal apex, hemelytron with dark veins; other characters as in apterous male.

Macropterous female ( Fig. 10 View FIGURES 5 – 10 ). Ground colour similar to that of macropterous male; body small-sized, slightly longer and greatly wider than male; body length 1.97–1.99 (including forewings), greatest width: 0.95–0.97; head dark brown, structure of head including antennae as in macropterous male, head length: 0.29–0.31, head width: 0.49–0.51, about 1.65 times head length, antennae about 0.42 times as long as body, length of antennal segments I– IV: 0.16, 0.18, 0.20, 0.30; pronotum large and pentagonal, pronotum width: 0.95–0.97, pronotum length: 0.70– 0.72, about 1.35 times as wide as long, yellowish brown band along anterior margin of pronotum; length of leg segments (trochanters, femora, tibiae and tarsi): fore leg: 0.18, 0.44, 0.34 and 0.21, middle leg: 0.24, 0.54, 0.49, and 0.42 (0.18 + 0.24), hind leg: 0.19, 0.55, 0.60 and 0.30 (0.10 + 0.20); forewings mainly blackish brown except basal part whitish, hemelytron relatively narrow, with dark veins.

Apterous female: unknown.

Etymology. The specific name is derived from the Latin fulvus means yellowish brown, refers to head dorsum of apterous male almost yellowish brown.

Distribution. China (Yunnan) ( Fig. 37 View FIGURE 37 ).