Odontothrips biuncus John, 1921

Masumoto, Masami & Okajima, Shûji, 2021, A new species of Odontothrips Amyot & Serville (Thysanoptera, Thripidae) from Japan, Zootaxa 4942 (1), pp. 109-117 : 111-112

Odontothrips biuncus John

( Figs 1, 2 , 5–10 )

Odontothrips biuncus John, 1921: 7 .

Taeniothrips konumensis Ishida, 1931: 37 . [Synonymized by Kudo, 1979: 489.]

Diagnosis. Body uniformly dark brown, fore wings dark with a sub-basal small pale area, antennal segment III yellow ( Figs 1, 2 ). Head slightly concave at cheeks, postocular setae arranged almost in a line ( Fig. 5 ). Antennal segment III slightly rounded at each side ( Fig. 6 ). Pronotum weakly sculptured medially; metascutum distinctly reticulate medially ( Fig. 7 ); fore tarsal segment II with 2 small tubercles, fore tibiae with 2 large apical claws ( Fig. 8 ) and abdominal tergites with sculpture between S1 setae ( Fig. 9 ). Male abdominal tergite IX with S2 setae much longer than S1 and S3 setae, paired short stout setae near posterior margin; a pair of canaliculi developed, a single stout endothecal spine present at apex of each canaliculus ( Fig. 10 ); sternites IV–VII (often fewer) each with a minute glandular opening but it is often weak.

Specimens examined. Japan, Hokkaido, Rumoi-shi: Chibaberi, 10 females & 7 males on flowers of Vicia cracca [ Fabaceae ], 18.vii.2006. Horonuka , 4 females on leaves of Vicia cracca , 5.vii.2007. Tomamae-gun , Rikibiru , 22 females & 2 males on flowers of Vicia cracca , 22.vii.2007. Horonobe-cho : Horonobe , 13 females & 1 male on flowers of Vicia cracca , 18.vii.2007. Kamitoikan , 30 females & 3 males on flowers of Vicia cracca , 3.viii.2007. Nishi-toikanbetsu , 30 females & 11 males on flowers of Vicia cracca , 18.vii.2007, all collected by T. Nonaka ( TUA). Shirataki-kougen : 1 female & 6 males on Vicia cracca , 9.viii.1997, T. Tsutsumi ( FU). Abashiri City , Misaki : 1 female on flowers of on flowers of Vicia cracca , 11.vii.2006. Asahikawa City : Chikabumi , 5 females & 2 males on flowers of Vicia cracca , 14.vii.2006. Chikabumi , 24 females & 10 males on flowers of Vicia cracca , 10.vii.2007, all collected by T. Nonaka ( TUA). Russia, Sakhalin, Holotype female of Taeniothrips konumensis, Konuma, Beating , 2-vii-1930, C. Watanabe ( IHU).

Comments. This species apparently breeds on Vicia cracca [ Fabaceae ]. It is widely distributed in the Palaearctic region and is here newly recorded from Hokkaido, Japan.

Figures

FIGURES 1–4. Odontothrips species. O. biuncus, 1–2: (1) Female; (2) Male. O. kudoi sp. n. 3–4: (3) Female; (4) Male.

FIGURES 5–10. Odontothrips biuncus. Female, 5–9: (5) Head & pronotum; (6) Antenna; (7) Meso- and metanota; (8) Right fore tibia & tarsus (dorsally); (9) Abdominal tergite VI; (10) Abdominal tergites IX-X & endothecal spines, male