Rhamphocoris Kirkaldy, 1901

Zhao, Ping, Mao, Runqian & Cao, Liangming, 2019, Two new and one little-known damsel bug of the subfamily Prostemmatinae Reuter (Hemiptera, Heteroptera, Nabidae) from China, ZooKeys 845, pp. 139-152 : 140

Genus Rhamphocoris Kirkaldy, 1901

Rhamphocoris Kirkaldy, 1901: 221; Ren 1998: 47; Cassis 2016: 172. Type species: Rhamphocoris dorothea Kirkaldy, 1901, by monotypy.

Aristonabis Reuter & Poppius, 1909: 48 (syn. by Kerzhner 1970: 280). Type species: Aristonabis pulcher Reuter & Poppius, 1909, by original designation.

Harrisiella China & Miller, 1953: 115 (syn. by Kerzhner 1970: 280). Type species: Harrisiella humeralis China & Miller, 1953, by original designation.

Diagnostic characters.

Body elongate-oblong, flattened dorso-ventrally; body shiny, black or red with yellow markings (Figs 1, 19). Head slightly declined anteriorly (Fig. 2); rostrum 4-segmented, first segment short and thickened, second segment longest, third approximately half length of second, fourth segment shortest (Fig. 2); first and second antennal segments distinctly thickened and thicker than third or fourth segments (Fig. 1). Pronotum constricted slightly between collar and anterior pronotal lobe and distinctly between anterior lobe and posterior lobe (Figs 1, 2); posterior pronotal lobe distinctly wider than anterior lobe; anterior lobe with middle longitudinal sulcus, sides slightly anteriorly bulged; posterior lobe laterally roundly produced, posterior margin straight; scutellum subtriangular, sub-basally with two small round depressions, apical part strongly acute. Hemelytra oval, membrane with three elongate cells (Fig. 1); fore femur beneath with a large acute angular process medially and with two lines of small dentate tubercles from median angular process to apex of femur; fore tibiae slightly curved, apex dilated, without spongy fossula; ostiolar peritreme gradually posteriorly widened, elongated, somewhat curved (Fig. 4).

Remarks.

Rhamphocoris is a small genus of the subfamily Prostemmatinae with ten known species worldwide. Five species (including the new species described herein) have been recorded in China, R. borneensis (Schumacher, 1914) [China (Yunnan, Hainan); Malaysia, Vietnam], R. elegantulus (Schumacher, 1914) [China (Taiwan)], R. hasegawai (Ishihara, 1943) [China (Yunnan, Taiwan)], R. tibialis Hsiao, 1981 [China (Yunnan)], and R. guizhouensis sp. n. [China (Guizhou)] ( Hsiao and Ren 1981; Ren 1998).