Leucothrips, Reuter, 1904

Masumoto, Masami & Okajima, Shûji, 2017, Studies on Dendrothripinae (Thysanoptera, Thripidae) from Japan, with new records and one new species, Zootaxa 4362 (3), pp. 405-420 : 407

Key to species of Leucothrips in Japan

1. Fore wing dark ( Fig. 2 ); sculpture on pronotum and metascutum with minute fringe ( Figs 14, 16 ); metascutal sculpture not lon- gitudinal at least posteromedian part, interval of lines as wide as or wider than diameter of setae.............. nigripennis

-. Fore wing uniformly pale ( Fig. 1 ); sculpture on pronotum and metascutum without fringe ( Figs 11 , 19 ); metascutal sculpture with closely spaced longitudinal lines, interval of lines narrower than diameter of setae.............................. 2

2. Antennal segments III and IV with simple sensoria in both sexes ( Fig. 18 ).................................... piercei

-. Antennal segments III and IV with forked sensoria in female ( Fig. 12 )...................................... furcatus

Figures

FIGURES 1–10. Japanese species of Dendrothripinae. Leucothrips, female 1–3. (1) L. furcatus; (2) L. nigripennis; (3) L. piercei. Pseudodendrothrips, 4–10; (4) P.bhattii, female; (5) P.darci, female; (6) P.lateralis, female; (7) P.lateralis, male:(8) P. maculatus, female; (9) P.maculatus, male; (10) P.mori, female.

FIGURES 11–16. Leucothrips furcatus, female 11–13. (11) Head & pronotum; (12) Antennal segments III–VII; (13) Abdominal tergite VII.Leucothrips nigripennis, female, 14–16; (14) Head & pronotum; (15) Antenna; (16) Metascutum.

FIGURES 17–22. Leucothrips piercei. Female 17–21. (17) Head & pronotum; (18) Antennal segments III–VII; (19) Mesonotum& metascutum;(20) Metathorax (sculpture omitted;mediandotted line shows furca); (21) Hindtibia totarsus.(22) Abdominal tergites IX–X, male.epm=epimeron; epst=episternum; prepst=pre-episternum.