Sorghothrips, Priesner, 1936

Masumoto, Masami & Okajima, Shûji, 2021, Contributions to the knowledge of Thysanoptera (Insecta) from Japan, Zootaxa 4970 (3), pp. 593-596 : 594

Key to species of Sorghothrips

(excluding sakagamii , *based on literature)

1. Antennae 8-segmented........................................................................ jonnaphilus

-. Antennae 7-segmented ( Figs 5, 7 ), often 6-segmented in male.................................................. 2

2. Abdominal sternites III and IV each with a small pore plate ( Fig 8 ).................................... meishanensis

-. Abdominal sternites without pore plate.................................................................... 3

3. Mesosternum without spinula; postocular setae all subequal length and shorter than interocellar setae; male antenna 7-segmented, segment VI not elongate as in female.......................................................... fuscus *

-. Mesosternum with spinula; postocular S4 setae longer than remaining setae and subequal length to interocellar setae; male antenna 6-segmented, segment VI elongate, much longer than that of female............................. longistylus *

Figures

FIGURES 1–8. Thysanoptera from Japan. Merothrips fusciceps, 1–3: (1) Female macroptera; (2) Female aptera; (3) Male aptera. (4) Merothrips williamsi. Sorghothrips meishanensis, 5–8: (5) Female; (6) Head to metanotum; (7) Antenna; (8) Abdominal sternites III & IV.