Scirtothrips dorsalis
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Author(s): Andrew Derksen, University of Florida
Source: Wikimedia Commons
Scirtothrips dorsalis Hood 1919 - (yellow tea thrips)
This thrips is a polyphagous species found in Asia, Australia, Africa and the Americas. It has been suggested that the native range is southern Asia and the Australia-Pacific regions and that the species has been introduced into Africa and the Americas. In North America it was first recorded in 2005. Crops attacked are mainly vegetables, ornamentals and fruit crops. It is also a vector of tospoviruses.
Based of DNA analysis of seven nuclear markers, S. dorsalis has been regarded as a complex of several closely related (cryptic) species. Some of these species are particularly invasive. For example, the species temporarily named "South Asia 1" and "East Asia 1" have spread to North America (Kumar et al. 2017).
| Vernacular names | |
|---|---|
| • Deutsch: | nordindischer Teeblasenfuß |
| • English: | yellow tea thrips chilli thrips Assam thrips |
| • Español: | trips de pimiento |
Identification: The images below show some key diagnostic features. For details see Kumar et al. (2011).
dorsal view of adult (AR = antecostal ridge)
antennae with forked sensorium on 3rd and 4th segment
dorsal view of head with interocellar setae (IOS), hind ocelli (HO) and postocular setae (POS)
pronotum with sculpture lines
posterior half of the metanotum
forewing with widely spaced setae (arrows) on the 1st and 2nd vein
abdominal tergites III to VI with small medial setae
abdominal segment VIII with posteromarginal row of microtrichia
abdominal sternites
