spider mite
US /ˈspaɪ.dərˌmaɪt/
UK /ˈspaɪ.dərˌmaɪt/

1.
ácaro-aranha, ácaro
a tiny arachnid, typically red or green, that feeds on plants and can be a serious pest in agriculture and horticulture
:
•
The farmer discovered a severe infestation of spider mites on his tomato plants.
O agricultor descobriu uma infestação severa de ácaros em suas plantas de tomate.
•
Organic pesticides can be effective in controlling spider mites.
Pesticidas orgânicos podem ser eficazes no controle de ácaros.