African Black Beetle Grubs Developing

The African black beetle (Heteronychus arator) females began laying eggs around the first week in September and will continue through late December. October is when peak egg laying occurs. Egg hatching occurs from late September through middle of November. The peak larvae and pupae occurs from middle of November through December.

The larvae go through multiple instars with the 3rd instar (December through January) being the most damaging. The grubs feed on the roots of bentgrass and couchgrass plants.
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