red spider mite

US /ˌred ˈspaɪ.dər maɪt/
UK /ˌred ˈspaɪ.dər maɪt/
"red spider mite" picture
1.

araña roja, ácaro rojo

a tiny arachnid pest (Tetranychus urticae) that feeds on the sap of plants, causing damage to leaves and fruits, often found on the undersides of leaves and characterized by its reddish color

:
The gardener noticed a severe infestation of red spider mites on his tomato plants.
El jardinero notó una infestación severa de araña roja en sus plantas de tomate.
To control red spider mites, it's often recommended to increase humidity and use insecticidal soap.
Para controlar la araña roja, a menudo se recomienda aumentar la humedad y usar jabón insecticida.