Dendrothrips species

Rasool, Iftekhar, Mound, Laurence A., Soliman, Ahmed M. & Aldhafer, Hathal M., 2021, The Dendrothripinae (Thysanoptera, Thripidae) of SaudiArabia, withnew records one new species, and revised status of Pseudodendrothrips stuardoi (Moulton), Zootaxa 4999 (3), pp. 219-227 : 220

Key to Dendrothrips species with 9-segmented antennae and no prominent pronotal setae

(* indicates known only from description)

1. Sternites III‒VI each with 8 to 12 setae along posterior margin [eastern Africa]............................... jeanneli

-. Sternites III‒VI with only 6 setae on posterior margin........................................................ 2

2. Body uniformly dark brown; fore wing uniformly shaded brown [Europe, Iran]............................... degeeri

-. Body light brown to yellow; fore wing pale or banded........................................................ 3

3. Antennal segments I‒III uniformly dark brown in contrast to yellow segments IV‒V and VI yellow on basal half; ocellar area with finely tuberculate sculpture [ Australia].......................................................... julatteni

-. Antennal colour different; ocellar area with weak and irregular sculpture......................................... 4

4. Body and fore wing uniformly pale....................................................................... 5

-. Body and fore wing with darker markings, never uniformly pale................................................ 6

5. Fore wing first vein with 9–10, second 4–5 setae; head slender, 1.4–1.5 times as wide as long [Canary Islands]........................................................................................................ priesneri *

- Fore wing first vein with 4–5, second without setae; head transverse, 1.9–2.3 times as wide as long.............. kinape *

6. Head with paired group of three small setae anterolateral to ocellar area and close to compound eyes [ South Africa]..................................................................................................... sensilli*

-. Head with only one pair of setae anterolateral to ocellar area................................................... 7

7. Head and antennal segment II as dark brown as metathoracic pleurites; fore wings uniformly light brown [ Australia].................................................................................................... victoriae

-. Head and antennal segment II pale, much paler than metathoracic pleurites; fore wings pale with two weakly shaded cross bands.................................................................................... saudicus sp. n.