Plant Parasites of Europe

leafminers, galls and fungi

Dendrothrips ornatus

Dendrothrips ornatus (Jablonowski, 1894)

privet thrips

on Ligustrum, Syringa

Dendrothrips ornatus on Ligustrum ovalifolium

Ligustrum ovalifolium, Hungary, Budapest © László Érsek: general image of the infestation

Dendrothrips ornatus on Ligustrum ovalifolium

detail. with larvae and two adults

Dendrothrips ornatus larvae


Dendrothrips ornatus imago


Dendrothrips ornatus frass

fresh and dried drops of frass


Leaves are disfigured and have silvery spots, because epidermis cells have been emptied and are air-filled now. Thrips produce proportionally large drops of semi-liquid frass that dry and as numerous tiny black specks contribute to the general picture.


Oleaceae, oligophagous

Ligustrum ovalifolium; Syringa vulgaris.

distribution within Europe

(PESI, 2018).


Jenser, Vasiliu-Oromulu, Orbán & Szénási (2005a), Karadjova & Krumov (2015a), Kobro (2003a), Mound, Morison, Pitkin & Palmer (1976a), Schread (1969a), zur Strassen (1993a), Thrips of the British Isles (2020).

Last modified 17.xii.2020