SPB & Invasive Insects - Photos: Natural Enemies
For further information and publications see page for John D. Reeve,
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| Clerid beetle (Thanasimus dubius) attacking an adult SPB. Adult clerids are attracted to trees under attack by southern pine beetle. |
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| Clerid adults lay eggs in crevices of the bark of trees under attack. |
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| After hatching, clerid larvae enter the tree and prey on SPB eggs, larvae, and pupae inside the bark. |
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| Clerid larvae can be reared in the laboratory using an artificial diet (yellow) and trays filled with ground bark. |
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| Tadpole-shaped ascospores of the SPB mycangial fungi Ceratocystiopsis ranaculosus in the sporotheca of the mite Tarsonemus krantzi. This fungus is transported by the mite, which in turn rides the beetle from tree to tree. |