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.
Adult chinch bugs are small insects that have a hard body; two pairs of wings that are folded over the insectâs back; and are distinctly colored in spotted combinations of black, white or red. Many chinch bugs have different coloration in their early nymphal and later nymphal stages. Most species that cause serious crop and turf damage are only about 1/8 to Â¼ inch long and have mouthparts that are used to pierce into the plant and suck out plant juices.