Rhyacobates zetteli Tran & Nguyen, 2016

Leng, Zhaoqi, Tran, Anh Duc & Ye, Zhen, 2023, Taxonomic review of Rhyacobates Esaki, 1923, with descriptions of three new species (Hemiptera: Heteroptera: Gerridae), European Journal of Taxonomy 893 (1), pp. 1-73 : 66-67

publication ID	https://doi.org/ 10.5852/ejt.2023.893.2285
publication LSID	lsid:zoobank.org:pub:D9DA4879-BC1D-4947-96E8-7D574DE334BA
DOI	https://doi.org/10.5281/zenodo.10064075
persistent identifier	https://treatment.plazi.org/id/045E878D-FF9D-2979-3A3D-F9E673680B87
treatment provided by	Plazi
scientific name	Rhyacobates zetteli Tran & Nguyen, 2016
status

Treatment

Rhyacobates zetteli Tran & Nguyen, 2016 View in CoL

Figs 3R View Fig , 5Q View Fig , 7H View Fig

Rhyacobates zetteli Tran & Nguyen, 2016: 505–508 View in CoL View Cited Treatment , figs 11–23 (original description).

Diagnosis

Body length of apterous females 9.80–10.60, of apterous males 7.30–7.70. Color ( Fig. 3R View Fig ): dorsum of head mainly yellow with small black markings; pronotum mainly yellow with narrow black marking on anterior margin and sometimes laterally; mesonotum with broad median marking from anterior to posterior margin (median marking broader in females than in males); metanotum with laterally expanded yellow marking (more extensive in females). Female: abdomen elongate and straight; ventral length of pregenital abdomen about half of body length ( Fig. 5Q View Fig ); connexivum of segments I–VI narrow; connexival corners of segment VI with small processes; abdominal segment VII tapering towards apex; mediotergite VII with small median process on posterior margin; sternum VII with bilobate posterior margin, connexival corners with small blunt processes which bend mesad. Male: middle trochanter with 6–7 spines; middle femur with spines but not in distinct row; length of middle tibia about equal to length of hind tibia; pygophore simple, with straight apical margin; proctiger with subtrapezoidal lobes laterally ( Fig. 7H View Fig ); paramere relatively long and slender, curved at basal third, distal part tapering towards narrowly rounded apex.

Material examined

Type specimens

See Tran & Nguyen (2016).

Non-type specimens

VIETNAM • 3 ♀♀ (apterous); Lào Cai Province, Sa Pa, Núi X ẻ area, Vàng stream and its feeders; 22°20′54.4″ N, 103°46′12.0″ E; 25 Oct. 2020; A.D. Tran et al. leg.; TAD20-19; ZVNU GoogleMaps • 1 ♀ (apterous); same collection data as for preceding; NKUM GoogleMaps .

GPS data of previous records: see Tran & Nguyen (2016).

Distribution

Vietnam: Lào Cai ( Tran & Nguyen 2016).

Comparative notes

Rhyacobates zetteli View in CoL is most similar to R. angustus , as discussed by Tran & Nguyen (2016: 503 View Cited Treatment , 507– 508). Also see comparative notes under R. bui sp. nov.