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Home Articles Hama putih

Caseworm (Hama putih)

23 March 2022
2 mins read

Nymphula depunctalis (Guenée) The caseworm is rarely a significant pest of rice. Signs of this pest in the field are tiny moths and larvae. Attacks by these pests can occur in the nursery to the tillering phase. The destructive pest phase is the larval phase.

The typical damage to the leaves is that the leaves are cut like scissors. The cut leaves turn into tubes that the larvae use to wrap themselves around, and the larvae are secured with silk threads. The larvae breathe from inside the tube and require water in the rice fields. Leaf rolls containing larvae can float on the water surface during the day and feed at night. The larvae will climb the rice stalks carrying their rolled leaves which contain water for respiration. Control measures need to be taken if the attack rate reaches > 25% damaged leaves or 10 damaged leaves per clump. If necessary, use an insecticide with the active ingredient fipronil or carbofuran.


Source: Putra, R. (2018). Hama dan penyakit tanaman padi dan deskripsi padi sawah. Balai Pengkajian Teknologi Pertanian Kepulauan Riau.

Leaf Pests
Rice Pests