Alloeorhynchus Fieber, 1860

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 : 142

Genus Alloeorhynchus Fieber, 1860

Alloeorhynchus Fieber, 1860: 43; 1861: 159; Ren 1998: 51; Distant 1904. Type species: Pirates flavipes Fieber, 1836, by subsequent monotypy ( Fieber 1861: 159).

Falda Gross, 1954: 139 (syn. by Kerzhner 1970: 282). Type species: Falda queenslandica Gross, 1954, by original designation.

Diagnostic characters.

Body elongate oblong. Anterior part of head strongly declined, or somewhat declined; anteocular area of head short, nearly conical; posterior margin of eyes adjacent to anterior margin of pronotum; ocelli present; antennae clothed with long setae, first antennal segment short, extending beyond apex of head; rostrum slender, extending to metasternum, first segment short and thick, second and third segments longest, fourth segment short; pronotum distinctly constricted transversally behind middle, posterior margin straight; scutellum long, subequal to width at base. Fore and mid femora moderately thickened, underneath with two to three rows of small spines; fore tibia slightly shorter than femur, apical part widened, with spongy fossula.

Remarks.

The genus includes two subgenera, Alloeorhynchus and Psilistus , and 49 species in the world ( Ren 1998; Brailovsky and Barrera 2017). Eight species have been recorded in China, including one new and one little-known species described in the present study: A. (A.) notatus Distant, 1919 [China (Yunnan); India, Nepal], A. (A.) sinicus Ren, 1998 [China (Zhejiang)], A. (A.) vinulus Stål, 1864 [China (Hainan, Taiwan); Japan, Vietnam, Java, Philippines, Burma], A. (A.) yunnanensis sp. n. [China (Yunnan)], A. (A.) reinhardi Kerzhner & Günther, 1999, and A. (P.) corallinus ( Stål, 1873) [China (Yunnan); Burma, Sikkim, India, Malaysia], Alloeorhynchus (P.) bakeri Harris 1930 [China (Yunnan)] (Hsiao et al. 1981; Ren 1998; Kerzhner and Günther 1999; Gapon and Konstantinov 2008; Li et al. 2012).