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.
Although most damaging inGulf Coast regions and in the southernhalf of the state, chinch bugs can be aproblem anywhere St. Augustinegrassis grown. Although the southern chinch bug isa serious pest only on St. Augustinegrass lawns, itoccasionally may feed on zoysiagrass, centipedegrass,bahiagrass, or bermudagrass.The common chinchbug, Blissus luecopterus, is a closely-related speciesthat is a pest of grain crops in Texas and throughoutthe Midwest.Floratamâ generally providesa high level of resistance to both chinch bugs and St.Augustine decline (SAD), a virus disease; however, itshould be planted only in the southern half of theTexas because of its lack of cold-hardiness.