District Director of Agriculture J. Ponnamperumaarachchi says that the species discovered in Jack fruit and Bread fruit in Ethkandura area, Galle is not 'Sena' caterpillar.
The pest is known to be the species called Diaphania Caesolis.
This species was reported from several Bread fruit trees in Nugetota Grama Niladhari Division in Ethkandura Agrarian Service area. She points out that the pest can be invasive not only to Bread fruit, but Jack fruit as well.
Diaphania Caesolis is classified in genus pyralidae of class lepidoptera in scientific nomenclature, which breeds through eggs laid by moths. The caterpillar depicts a colour pattern of pinkish orange, from which the moths are metamorphosed, at the length of half an inch, that lay eggs.
The pest causes damage to small leaves and nuts. Such nuts can be spotted with black spots and perforated holes, which can eventually be rotted and dumped.
Per views of the District Director, these caterpillars are being spread across crops due to the prevailing climatic conditions and the epidemic can be controlled by terminating damaged crops by caterpillars. She further added that the rotted harvest shall either be burnt or dumped in a deep hole.