Kokeshia acutiformis, Luo & Xie, 2022

Luo, Jiu-Yang & Xie, Qiang, 2022, Taxonomic review of Kokeshia Miyamoto, 1960 from China, with description of ten new species (Hemiptera: Heteroptera: Schizopteridae), European Journal of Taxonomy 802, pp. 1-57 : 5-8

publication ID	https://doi.org/ 10.5852/ejt.2022.802.1687
publication LSID	lsid:zoobank.org:pub:C3F3CDB9-0703-458A-BCE4-DE81614F075B
DOI	https://doi.org/10.5281/zenodo.6362753
persistent identifier	https://treatment.plazi.org/id/063E5A54-D193-4A58-BA44-A7AC26B1121E
taxon LSID	lsid:zoobank.org:act:063E5A54-D193-4A58-BA44-A7AC26B1121E
treatment provided by	Felipe
scientific name	Kokeshia acutiformis
status	sp. nov.

Treatment

Kokeshia acutiformis View in CoL sp. nov.

urn:lsid:zoobank.org:act:063E5A54-D193-4A58-BA44-A7AC26B1121E

Figs 1–2 View Fig View Fig , 26A View Fig , 28A View Fig , 32 View Fig

Diagnosis

Kokeshia acutiformis sp. nov. can be recognized from all other species of Kokeshia by male tergite VIII not subdivided into two hemitergites, only a long, flattened, acuminate process at right portion of tergite VIII, the process bent at about ⅓ from its apex ( Figs 1D‒G View Fig , 2A‒B View Fig ).

Etymology

The species epithet is derived from the Latin prefix ʻacut -ʼ and suffix ʻ- formis ʼ, means ‘acuminate shaped’, refers to the acuminate process of tergite VIII.

Material examined

Holotype CHINA • ♂; Yunnan Province, Lincang City, Cangyuan County, Banhong Town ; 23°18′44.65″ N, 99°4′39.48″ E; ca 920 m a.s.l.; 6 Aug. 2019; Jiu-Yang Luo leg.; light trap; SYSBM. GoogleMaps

Paratypes CHINA • 2 ♂♂; same collection data as for holotype; SYSBM GoogleMaps .

Description

Male

MEASUREMENTS (in mm) (male holotype / male paratypes, N = 2). Total body length 1.32 / 1.28–1.29; length of head 0.22 / 0.23–0.25, maximum width across eyes 0.41 / 0.40, interocular distance 0.24 / 0.22; length of antennal segment I 0.08 / 0.07–0.08, segment II 0.08 / 0.08, segment III 0.28 / 0.28, segment IV 0.30 / 0.30; length of labial segment I 0.07 / 0.07–0.08, segment II 0.05 / 0.05, segment III 0.04 / 0.04, segment IV 0.11 / 0.10; middle length of pronotum 0.35 / 0.36, length of collar 0.06 / 0.06–0.07, humeral width 0.59 / 0.60; length of forewing 1.07 / 0.95–1.08; length of fore femur 0.33 / 0.29–0.31, fore tibia 0.31 / 0.32, fore tarsus 0.12 / 0.11–0.12; length of middle femur 0.31 / 0.33, middle tibia 0.32 / 0.31, middle tarsus 0.12 / 0.12; length of hind femur 0.36 / 0.35–0.36, hind tibia 0.50 / 0.53–0.55, hind tarsus 0.17 / 0.17–0.18; greatest width of abdomen 0.53 / 0.53.

MACROPTEROUS. Small sized (about 1.28‒1.32 mm).

COLORATION. Body yellowish brown to light brown, appendages yellowish brown ( Fig. 1A‒C View Fig ). Surface, vestiture and general structures as in generic description, except mentioned below.

HEAD. Interocular distance 0.55–0.59 × length of maximum width across eyes.

THORAX. Humeral width 1.66‒1.68 × as long as middle length of pronotum. Venation of forewing in accordance with general pattern of genus. C+Sc, R+M, R and basal portion of 1An darker than wing surface, other veins slightly darker than wing surface ( Fig. 26A View Fig ).

ABDOMEN. Tergite VII slightly asymmetrical, right portion wider than left portion, sternite VII nearly symmetrical. Tergite VIII not subdivided into two hemitergites, only a long, flattened, acuminate process at right portion of tergite VIII, process bent at about ⅓ from its apex ( Figs 1D‒G View Fig , 2A‒B View Fig ).

GENITALIA. Pygophore slightly asymmetrical, dorsum with rows of tooth like microtrichia, posterior area with about twelve relatively long setae ( Fig. 1D‒G View Fig ). Parameres strongly asymmetrical, left paramere ( Figs 1E View Fig , 2D‒E View Fig ) with broadly squarish laminate extension directed dorsal near base, and with flattened and elongate distal projection; right paramere ( Figs 1E View Fig , 2F‒G View Fig ) with flattened and acute, near triangular distal projection, curved inward at middle portion. Apical portion of phallus ( Figs 1D‒E View Fig , 2C View Fig ) tubular, short, forming one incomplete coil outside of pygophore.