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Southern
Research Station

200 W.T. Weaver Blvd.
Asheville, NC
28804-3454
(828) 257-4832
(828) 259-0503 TTY

Insects, Diseases, and Invasive Plants - SRS-4552

SPB & Invasive Insects - Photos:SPB

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Aerial photo of a large southern pine beetle infestation near the Red River in Louisiana. Yellow-green trees indicate recently infested trees, while reddish trees are older.

 

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Southern pine beetle (SPB) attacking a loblolly pine tree, with resin exuding from the hole made by the beetle.  In most cases the attack succeeds, but in some trees sufficient resin is produced to "pitch out" or entomb the beetle.   Pitch tubes mark the locations of extensive SPB attacks on this loblolly pine. The resin oozing from these beetle attack sites serves as an important defense for the tree. SPB galleries and larvae inside an attacked tree. The adult beetles producing winding, S-shaped galleries in the inner bark of the tree, laying eggs as they tunnel.  The eggs hatch and the larvae consume the phloem tissue of the inner bark.
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Southern Pine Beetle Image
Southern Pine Beetle Image
Lightening Struck Tree Image
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Lightening Struck Tree Image
Lightening Struck Tree Image
Lightening Struck Tree Image
     
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Lightening Struck Tree Image
Loblolly Pine with SPB
LS on Kisatchie Ranger District
     
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SPB Infected Trees Sky-view
SPB with Wings Out
SPB Adults Attacking
     
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SPB Adults Attacking
SPB Galleries Under Bark
SPB Galleries
     
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SPB Killed Loblolly Pine
SPB Leftside with Mite
SPB with Multiple Mites
     
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SPB Pitch Tubes
SPB Galleries
SPB Laurel Ms6
     
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The Beetles
Tornado Damage
Tornado Damage
     
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Tornado Damage