Publisher's Synopsis
Excerpt from The Texas Leaf-Cutting Ant (Atta Texana Buckley) And Its Control in the Kisatchie National Forest of Louisiana
The attacks of this ant on young planted pine trees occur in the late fall, winter, and early spring when there is a dearth of other green foliage. The injury consists in the cutting off of the needles close to the bud of the seedling in longleaf pine and the cutting off of both the needles and bud, as well as girdling of the living bark, in slash pine.
The injured longleaf pines are weakened, but the damage resulting from defoliation appears not to be so severe, unless drought or other factors also affect the tree, when it may succumb, resulting in a much higher mortality than indicated at the first part of the season. In the case of slash pine, the in jury results in the death of the trees. After trees have become 2 to 3 feet high, they seem to have grown beyond the stage of fatal injury. Unfortunately this damage coincides with the planting season, December to March.
Another type of injury is to longleaf pine seedlings in the cotyledon stage under conditions of natural reproduction, and here 100 percent loss has occurred in areas immediately adjacent to the ant colonies.
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