page_title: Sesamia grisescens
hierarchical_section_title: Sesamia grisescens
caption_attribution_description: Sesemia grisescens female, ventral view Bubia, Morobe Province, PNG, Feb. 1981. G. R. Young ex Sugarcane. Det. G.R. Young 1981
context_page_description: The pink sugarcane borer, pink stalk borer, shoot borer, sugarcane borer or ramu shoot borer is a moth of the family Noctuidae. It is found in Papua New Guinea, Seram, the Moluccas and New Britain.
  The larvae are a pest on Saccharum officinarum, although they also feed on other plants, including Saccharum robustum, Saccharum spontaneum, Saccharum edule, Pennisetum purpureum and Panicum maximum. First instar larvae mine the inner surface of the leaf sheath before boring into the terminal internodes of the stalk. The gregarious early instars feed on the internode tissue. Later, the larvae migrate to the upper three or four internodes of adjacent undamaged stalks where large tunnels are mined. Several days prior to pupation, the larvae cut large exit holes through the stalk rind and retreat into the tunnel to pupate. There are a total of sevel larval instars.
context_section_description: The pink sugarcane borer, pink stalk borer, shoot borer, sugarcane borer or ramu shoot borer (Sesamia grisescens) is a moth of the family Noctuidae. It is found in Papua New Guinea, Seram, the Moluccas and New Britain.
  The larvae are a pest on Saccharum officinarum, although they also feed on other plants, including Saccharum robustum, Saccharum spontaneum, Saccharum edule, Pennisetum purpureum and Panicum maximum. First instar larvae mine the inner surface of the leaf sheath before boring into the terminal internodes of the stalk. The gregarious early instars feed on the internode tissue. Later, the larvae migrate to the upper three or four internodes of adjacent undamaged stalks where large tunnels are mined. Several days prior to pupation, the larvae cut large exit holes through the stalk rind and retreat into the tunnel to pupate. There are a total of sevel larval instars.
caption: Female, ventral view
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