Dead heart in the wheat central shoot is a characteristic symptoms of

Dead hearts in the wheat central shoot is a characteristic symptoms of Stem borer (Sesamia inferens).
The pink borer (Sesamia inferens Walker) lays spherical, yellowish white eggs in batches of 30 - 100 eggs in two to three parallel lines on the leaf sheaths or the leaf surface.
The larva is pinkish, smooth, and measures about 30 mm when fully grown. It produces deadheart symptoms due to the internal feeding of the larvae.