meninges. plural of meninx; the three membranes covering the brain and spinal cord: the dura mater, arachnoid, and pia mater. adj., adj meninÂ´geal. Meninges of the central nervous system.tymology: Gk, meninx, membrane. the three membranes enclosing the brain and the spinal cord, comprising the dura mater, the pia mater, and the arachnoid membrane. The pia mater and the arachnoid can become inflamed by bacterial meningitis, causing serious complications that may be life-threatening. meningeal, adj.
If you eliminate the underlying causes of lawn stress, the chinch bugs are less likely to return. Causes of Stress In Turfgrasses. Some causes of grass plant stress include: Mowing improperly: mowing too short, using dull blade. Over-use of nitrogen fertilizer, which stimulates excessive grass foliage growth.
1 Use soil insecticide such as NO Insects Lawngard Prills which is a slow release insecticide in the form of granules. 2  This is an ideal product to protect you from Cluster flies and other soil pests such as grass grub and porina. 3  Sprinkle the granules on grassy areas within 100-200m of your home and water in thoroughly. Once the flies in the cluster are dead, clear away as many bodies as can be reached. 2  If you use a vacuum cleaner ensure the bag is disposed of immediately. 3  Spray the surfaces they were clustering on with more NO Bugs Super to prevent new clusters forming where the pheromone lingers.