Streptothrips Priesner

Dang, Li-Hong, Mound, Laurence A. & Qiao, Ge-Xia, 2014, Conspectus of the Phlaeothripinae genera from China and Southeast Asia (Thysanoptera, Phlaeothripidae), Zootaxa 3807 (1), pp. 1-82 : 72

Streptothrips Priesner

( Fig. 96 )

Streptothrips Priesner, 1932: 58 . Type species: Streptothrips mirabilis Priesner , by monotypy.

There are 10 species listed in this genus, and these have been found in various parts of the tropics and subtropics living on dead branches ( Okajima 1981). Two species are described from Indonesia, and one of these, tibialis Priesner , is here recorded from Guangxi, China.

Diagnosis: Head much longer than wide; postocellar and postocular setae long and bluntly pointed; mouthcone short and rounded, stylets deeply retracted into head, close together medially; antennae 8-segmented ( Fig. 96 ), VIII long, slightly constricted basally, III and IV broad, each with 4–12 short stout sensoria; pronotum reduced to a shield, with 2 pairs of epimeral setae, notopleural sutures complete; basantra weak; mesopresternum reduced or absent; sternopleural sutures absent; fore tarsal tooth stout in both sexes, mid- and hind tibiae with apical spurlike stout setae; fore wings, if present, with duplicated cilia; pelta broad, posterior margin eroded, sometimes into three plates; tergites without wing-retaining setae; tube shorter than head, anal setae about 1.5 times as long as apical width of tube; sternite VIII with a series of long, stout posteromarginal setae; male sternite VIII without pore plate.

Figures

FIGURES 92–96. Phlaeothrips-lineage. Veerabahuthrips spp. 92–93 head, pronotum & foreleg: (92) crassipes; (93) simplex. Sophiothrips annulatus 94–95: (94) head, thorax & tergites I–II; (95) ventral view of thorax. (96) Streptothrips tribulatius, antenna.