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

larvae

Dendrothrips ornatus imago

imago

Dendrothrips ornatus frass

fresh and dried drops of frass

gall

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.

hostplants

Oleaceae, oligophagous

Ligustrum olivalifolium; Syringa vulgaris.

distribution within Europe

(PESI, 2018).

mod 25.viii.2018