Acanthothrips Uzel

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 : 15

Acanthothrips Uzel

( Fig. 2 )

Acanthothrips Uzel, 1895: 259 . Type species: Phloeothrips nodicornis Reuter , by monotypy.

There are 13 species included in this genus, of which six are from the Neotropics, and five are from North America. One species is known only from northern Europe, but nodicornis is recorded widely across the Holarctic, including northern China. The fore femora of both sexes in this genus have a tooth apically on the inner margin ( Fig. 2 ).

Diagnosis: Body reticulated dorsally; head longer than wide, cheeks with several small tubercles ( Fig. 2 ); eyes normal; postocular setae usually well-developed; stylets retracted to eyes, close together medially; antennae 8- segmented, III usually with 3 sensoria, IV with 4; pronotum usually with 5 pairs of well-developed setae, notopleural sutures complete; basantra absent; mesopresternum transverse or reduced medially; sternopleural sutures present; fore tarsal tooth present in both sexes, fore femur with a tubercle on apical inner margin; fore wings usually parallel-sided, with duplicated cilia; pelta slightly triangular; tergites II–VII with 2 or 3 pairs of wing-retaining setae; tube shorter than head; male sternite VIII with or without pore plate.

Figures

FIGURES 1–10. Phlaeothripinae genera. (1) Ablemothrips maxillatus, antenna, head, pronotum & fore leg; (2) Acanthothrips nodicornis, head & fore leg; (3) Agynaikothrips sp., head; (4) Adraneothrips coloratus, head & pronotum; (5) Androthrips ramachandrai, head, pronotum & for legs. Akarethrips iotus 6–10: (6) Head, pronotum & fore legs; (7) Forewing; (8) Basantra & mesopresternum; (9) Metanotum & Pelta; (10) Tergites VIII–IX.