Key to Frankliniella species with pore plates on sternite III in females

1. Body yellow with tergite X posteriorly brown (Fig. 1)................................................ bambusae

-. Body brown........................................................................................ 2

2. Mouth cone long, broad, directed ventrally, usually causing head and prothorax to tilt strongly forward; pronotum trapezoidal (Fig. 46).................................................................................. magellanica

-. Mouth cone slender; pronotum rectangular (Fig. 21)........................................................ 3

3. Campaniform sensilla on metanotum absent............................................................... 4

-. Campaniform sensilla on metanotum present.............................................................. 5

4. Abdominal sternite II with at least one discal seta (Fig. 40); abdominal sternite III with a pair of lateral pore plates (Fig. 41); postocular setae pair I and/or pair III absent (Fig. 16)............................................... catharinensis

-. Abdominal sternite II without discal setae; abdominal sternite III with a median oval pore plate; postocular setae pairs I and III present.................................................................................... tympanona

5. Ocellar setae III more than 2.3 times longer than the width of a hind ocellus...................................... 6

-. Ocellar setae III not more than 2.3 times longer than the width of a hind ocellus................................... 7

6. Fore wing uniformly pale brownish yellow........................................................... colihue

-. Fore wing with distinct pale band on basal fifth (Fig. 45)............................................... australis

7. Abdominal sternite III with one median oval or a pair of lateral circular pore plates (Borbón 2013); ocellar setae III length 26– 37 microns (Berzosa & Maroto 2003); males with transverse pore plates on sternites III–VII....................... otites

-. Abdominal sternite III always with a median oval pore plate (Fig. 44); ocellar setae III length 7–22 microns (Sakimura & O’Neill 1979); males with oval, oblong pore plates on sternites III–VII................................... valdiviana