Fig. 108.—Hypsauchenia Westwoodii (Mag.)
Family 5, Tettigonidæ.—These insects are exceedingly numerous, and are often remarkably elegant in form. They are mostly inhabitants of America, where some three or four hundred species have been described, but in England we have an exceedingly pretty species (Tettigonia viridis), which is common in damp meadows.
Fig. 109.—Heteronotus Vulneratus (Mag.)
Fig. 110.—Jassus Atomarius (Mag.)
Family 6, Ledridæ.—Many of the insects belonging to this family resemble beetles somewhat in appearance. Ledra aurita, which may be considered the type of the family, is a greenish insect, about three-quarters of an inch in length, and found on oak trees.
Family 7, Jassidæ.—This family contains a considerable number of small insects, some of them of great beauty and elegant in appearance. The typical genus is Jassus.
Family 8, Psyllidæ.—This is the first family of the so-called "Plant Lice" or "Blight." They resemble the "Froghoppers" in their habits of jumping. Most of them are small insects, and they subsist on the sap of plants, to which they are sometimes injurious. A few species produce galls.