A new Ctenothrips from southwestern China (Thysanoptera: Thripidae) Author Xie, Yonghui Author Zhang, Hongrui Author Li, Zhengyue text Zootaxa 2011 2926 65 68 journal article 46588 10.5281/zenodo.277968 252c262c-213a-41e6-8f09-c0ee2faefe86 1175-5326 277968 Key to world species of Ctenothrips (*placed in key from description) 1. Antennal segments uniformly dark brown or brown.......................................................... 2 -. Antennal segments III–V yellow in part................................................... 3 2. Female macropterous; antennal segments dark brown; abdominal tergites I–VII hexagonally reticulate [ Nepal ].. niger Kudo * -. Female brachypterous; antennal segments brown; abdominal tergites V–VII with extremely faint reticulation, smooth in about posterior half; VII smooth [northern India ]....................................................... smilax Bhatti * 3. Pronotum smooth, almost without sculpture................................................................. 4 -. Pronotum striate or weakly sculptured, never smooth......................................................... 9 4. Antennal segment III shaded; pronotum posterior margin with 3 pairs of setae [ Taiwan ]......... kwanzanensis Takahashi * -. Antennal segment III yellow; pronotum posterior margin with 2 pairs of setae...................................... 5 5. Forewings base slightly darker [Sichuan]...................................................... cornipennis Han* -. Forewings base slightly paler or grey...................................................................... 6 6. Interocellar setae usually shorter than anterior margins of ocellar triangle, placed near posterior margin of posterior ocelli [N.E. America ].............................................................................. bridwelli Franklin -. Interocellar setae longer than anterior margins of ocellar triangle, and placed between posterior ocelli................... 7 7. Mesonotum without polygonally reticulate sculpture; abdominal sternite VII with posteromarginal setae arising anterior to posterior margin [Shaanxi]................................................ taibaishanensis Feng, Zhang & Wang * -. Mesonotum with polygonally reticulate sculpture ( Fig. 4 ); abdominal sternite VII with posteromarginal setae situated in a row along posterior margin ( Fig. 8 )........................................................................... 8 8. Antennal segments III–IV yellow; forewings grey; abdominal tergite X with polygonally reticulate sculpture [Hubei]....................................................................................... leionotus Tong & Zhang* -. Antennal segments III and basal half of IV–V yellow ( Fig. 2 ); forewings yellow with base slightly paler ( Fig. 9 ); abdominal tergite X with elongate reticulate sculpture ( Fig. 7 ) [Guizhou]................................... guizhouensis sp. n. 9. Interocellar setae just behind ocellar triangle; pronotum distinctly striate [ Taiwan ].................. transeolineae Chen * -. Interocellar setae within ocellar triangle; pronotum with light colored dots or weekly striate.......................... 10 10. Antennal segment III yellowish brown; pronotum with light colored dots [N.E. America ]................. frosti Moulton* -. Antennal segment III yellow; pronotum weakly striate....................................................... 11 11. Head not constricted just behind eyes; antennal segment III–V yellow. Forewings long, about 3 times the length of antennae [Europe]................................................................................. distinctus Uzel * -. Head constricted just behind eyes; antennal segment III yellowish brown with yellowish base and apex, V brown with yellowish base; forewings short, a little longer than antennae [ Japan ].............................. nonnae Haga & Okajima*