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Mexican rice borer larva (left) vs. Sugarcane borer larva (right) on a split sugarcane stalk.
Mexican rice borer larva (top) vs. rice stalk borer (bottom).
White head caused by stem borer.
White head caused by stem borer.
Dead heart is when the youngest partially unfurled leaf of the plant begins to whiter and die.
Dead heart is when the youngest partially unfurled leaf of the plant begins to whiter and die.
Dead heart is when the youngest partially unfurled leaf of the plant begins to whiter and die.
Mexican rice borer larva (left) vs. rice stalk borer (right).
Mexican rice borer larva (approx. 4th instar).
Mexican rice borer larva (approx. 4th instar).
Mexican rice borer larva (approx. 4th instar).
Mexican rice borer larva (approx. 5th instar).
Mexican rice borer larva (approx. 4th instar).
Orange discoloration of the leaf sheath due early instar stem borer feeding.
1st instar stem bores feeding injury: Sugarcane borer (left) vs. Mexican rice borer (right). At this stage there is no deference among injuries of different species of stalk borers.
Orange discoloration of the leaf sheath due early instar stem borer feeding.
Orange discoloration of the leaf sheath due early instar stem borer feeding.
Mexican rice borer egg cluster on a dry johnsongrass leaf.
Mexican rice borer larva (approx. 4th instar).
Mexican rice borer moth rests on a johnsongrass leaf.
Mexican rice borer egg cluster laid on a johnsongrass stem under the leaf sheath.
Mexican rice borer larva in rice stem.
