Helionothrips aino (Ishida)

Wang, Zhaohong, Mound, Laurence, Mao, Runqian & Tong, Xiaoli, 2022, Two new synonyms among Panchaetothripinae (Thysanoptera: Thripidae) with three species newly recorded from China, Zootaxa 5190 (2), pp. 275-285 : 277

Helionothrips aino (Ishida)

( Figs 23–25 , 36–37 )

Heliothrips aino Ishida, 1931: 34 .

Helionothrips mube Kudô, 1992: 275 . Syn.n.

Kudô (1992) described mube from 33 females taken in Kyushu, southern Japan, also nine females and five males from the island of Okinawa. All of these specimens were collected from Stauntonia hexaphylla [ Lardizabalaceae ], and the species was distinguished from aino by the slightly paler apex of the tibiae, longer antennal sense cone on segments III, IV and VI, male with pore plates on sternites VI–VIII although smaller on VI, and male stout setae on tergite IX with bases widely separated. However, the color differences are indistinct and variable between populations, the distance between the bases of the stout setae on tergite IX could be influenced by slide making, and aino has also been collected from plants of Lardizabalaceae . In this study, some males from Guizhou, Guangdong and Guangxi also have a small pore plate on sternite V. Kudô (1992) also indicated some males with a vestigial pore plate on sternite VI, therefore pore plates in this species can be present on sternites V–VIII, VI–VIII or VII–VIII ( Figs 23–25 ).The first author of the current paper (ZHW) has also observed similar variation in the male pore plates of Helionothrips cephalicus collected in China. As a result, we here consider mube to be the same polyphagous species as aino .

This species can be recognised by the head, pronotum and meso-metanotum reticulate without internal wrinkles; abdominal tergites III–VII with antecostal ridge distinctively arched, VIII with comb of long microtrichia interrupted medially; antennal segments I–V yellow, at least paler than segment VI.

Specimens studied: CHINA, Beijing, Botanical Garden (25°14′N, 107°54′E), 2 females from Actinidia arguta [ Actinidiaceae ], 15.v.2018 (Xiaoli Tong); Sichuan, Chongzhou, Anzhihe National Nature Reserve (30°48′N, 103°48′E), 1 female, 27.vii.2016 (Baoqiang Pan); Yunnan, Xishuangbanna, Mengla (21°28′N, 101°34′E), 2 females from weeds, 17.iv.1987 (Weiqiu Zhang); Guizhou, Guiyang City, Wudang District, (26°38′N, 106°44′E), 5 males, 2 females from unknown host plant, 20.viii.2008 (Chenming Yuan); Guizhou, Libo County, Weng’ang Town (25°14′N, 107°54′E), 1 female, 22.vii.2015 (Zhaohong Wang); Hunan, Yanling, Shuikou Town (26°34′N, 113°48′E), 5 females, 3 males from taro ( Colocasia esculenta ), 23.viii.2015 (Zhaohong Wang); Jiangxi, Chongyi, Yangling National Forest Park (25°38′N, 114°18′E), 4 females, 1 male from shrub, 23.viii.2015 (Zhaohong Wang); Guangdong, Guangzhou City, Longdong, (23°14′N, 113°23′E), 1 female, 1 male from grasses, 9.v.2012 (M. Mirab-balou); Guangxi, Jinxiu County, Dayaoshan National Nature Reserve (24°07'N, 110°12'E), 1 female from Asteraceae , 15.xi.2011 (Shulan Yang); Guangxi, Jiuwanshan National Nature Reserve, Yangmei’ao (25°11′N, 108°38′E), 5 females, 16 males from Colocasia esculenta [ Araceae ], 21.vii.2015 (Zhaohong Wang).

Figures

FIGURES 23–31. Panchaetothripine species. 23–25, Helionothrips aino male pore plates: (23) sternites VI–VIII; (24) sternites VI–VIII; (25) sternites V–VIII. 26–27. Panchaetothrips timonii female: (26) head and pronotum; (27) tergites I–IV. 28–31, Phibalothrips rugosus female: (28) pronotum;, (29) head; (30) meso–metanotum; (31) tergites IV–V.

FIGURES 32–43. Panchaetothripine species from China. (32) C. insularis female; (33) C. quadrifasciatus female; (34) C. quadrifasciatus male; (35) C. tongi female; (36) Helionothrips aino female; (37) Helionothrips aino male; (38) Hercinothrips femoralis female; (39) Hercinothrips femoralis male; (40) Panchaetothrips timonii female; (41) Panchaetothrips timonii male; (42) Phibalothrips rugosus female; (43) Phibalothrips rugosus male.