Erianotus lanosus
Abstract
Erianotus lanosus (Dufour, 1834), new record (Figs. 1A, 1B, 2A) Leptopus lanosus Dufour, 1834: 354. Erianotus lanosus: Fieber, 1861: 14; Cobben, 1969: 55; Hoberlandt, 1983: 99; Péricart, 1990: 203; Linnavuori et al., 2011:10. Erianotus bergi Jakovlev, 1905: 201; syn. Cobben, 1969: 59. Erianotus inumbratus Kiritshenko, 1952: 192; syn. Cobben, 1969: 59. Material examined. CHINA, Xinjiang: 19 males, 25 females, Tulufan, Qiquanhu Town: 43°11’45”N, 89°22’13”E, 922 m. a.s.l., 2023.vii.30, leg. Yanhui Wang, Jiadong Yin, Chunlan Xian & Qiang Xie (SYSBM); 13 males, 11 females, Wulumuqi City, Dabancheng District, Akesu river: 43°19’56”N, 88°20’35”E, 1065 m. a.s.l., 2023. vii.31, leg. Yanhui Wang & Qiang Xie (SYSBM); 2 males, 2 females, Yining Country, the middle bridge of Xiahe: 43°20’48”N, 94°49’5”E, 1315 m. a.s.l., 2023.viii.4, leg. Yanhui Wang, Qiang Xie, Jiadong Yin & Chunlan Xian (SYSBM). Diagnosis: Body length of male (4.20–4.68), female (4.29–5.14). Head, collar, pronotum, scutellum, base of clavus and endocorium ashy-black; remaining hemelytra light-brown, clavus and corium with dark-brown spots or patches, veins of membrane brown; outer margin of exocorium translucent, with a row of blackish spines and sparse short cilia; posterior margin and lateral angles of pronotum pale-brown; ventral side black, anterior acetabula pale, sterna with pale stripes. Antennal segment I and legs with heterogeneous color, mainly pale; antennal segments II and III brown; antennal segment IV, tip of tibiae, distal tarsomeres, and claws black; labium segments II and III pale, segment IV dark-brown. Head, callus, venter of head and thorax, sternum II and anterior half part of sternum III with long, curly, woolly whitish pubescence. Hemelytra (except for outer region and membrane) and remaining part of pronotum with shorter erect brown hairs, bent apically. Venter of abdomen, including the posterior half part of sternum III, sterna IV–VII (female), IV–VIII (male), glabrous, shiny. Male genital capsule is provided in Figure 2A. Remarks: The hemelytra of this species vary from completely dark to almost completely light, forming a continuum (Cobben 1969). Specimens newly recorded from China are similar to those occurring at Balkhash Lake (Kazakhstan), with blackish spines on the outer margin of exocorium and the light-brown elytra. In Chinese populations, the wing patterns remain largely uniform, with variations observed in the extent of dark markings across individuals. Males exhibit a narrow pale stripe on the sterna, while females possess a broader pale stripe that extends across nearly half of the sterna. In some females, the sterna appear pale-brown. Habitat notes. This species has been recorded from stony shores, mud-puddle edges near rivers, or even in totally dry places (Cobben 1969; Hoberlandt 1983). In this work, specimens were collected on the crevices of medium-sized stones along rivers and stony mudflats bordering large rivers. Distribution. This species is widely distributed from northern Africa across the Middle East to Mongolia (Lindskog 1995; Linnavuori et al. 2011; Vinokurov & Kment 2015). We provide the first record from China.
Authors 3
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Affiliation as printed
State Key Laboratory of Biocontrol, School of Ecology / School of Life Sciences, Sun Yat-sen University, Shenzhen / Guangzhou, Guangdong, China
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Affiliation as printed
Naturalis Biodiversity Centre, 2300 RA, Leiden, The Netherlands
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Affiliation as printed
State Key Laboratory of Biocontrol, School of Ecology / School of Life Sciences, Sun Yat-sen University, Shenzhen / Guangzhou, Guangdong, China
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