Crossword-Solution: COCCID 6 letters, 1 clue 🏆 scrabble score: 13

Many are very small; and yet their countless numbers and wonderful fecundity enable them to do immense damage, as is true of the _Aphides_ and _Coccidæ_, the _Tingis_, the _Tettigonia vitis_, called the Thrips by our vine-dressers; and still more so of the Chinch-bug of the Western prairies, which destroys whole crops of our most important cereals.

GROUND-PEARL, the glassy secretion forming the pupacase of coccid insects of the genus _Margarodes_, belonging to the homopterous division of the Hemiptera.

But the best known insects of this group are the Aphides or Plant-lice; while the most useful belong to the Coccidæ, or scale insects, from one species of which we obtain the substance called lac, so extensively used in the manufacture of sealing-wax and varnish.

But in most members of the family, the secretion, united with cast cuticles and excrement, forms a firm "scale," closely attached by its edges to the surface of the plant on which the insect lives, and serving as a shield beneath which the female coccid, with her eggs (fig.

What first taught the ants to farm these dull, inert coccidæ? Other vegetables are ant-inhabited, but none that I know of afford such spacious accommodations.