"Frog Hoppers are ranked under the homopterous sub-order of insects. The name of frog hopper refers partly to the form of their body, partly to their leaping powers, which are great; this power arises from the length of their hind legs. The larva of these insects, which resembles the parent in most respects except in the want of wings, envelops itself in a froth resembling human spittle. All must have often observed ths on plants."—(Charles Leonard-Stuart, 1911)

Frog Hopper on Leaf

"Frog Hoppers are ranked under the homopterous sub-order of insects. The name of frog hopper refers…

"Frog Hoppers are ranked under the homopterous sub-order of insects. The name of frog hopper refers partly to the form of their body, partly to their leaping powers, which are great; this power arises from the length of their hind legs. The larva of these insects, which resembles the parent in most respects except in the want of wings, envelops itself in a froth resembling human spittle. All must have often observed ths on plants."—(Charles Leonard-Stuart, 1911)

Adult Frog Hopper

"Frog Hoppers are ranked under the homopterous sub-order of insects. The name of frog hopper refers…

"Frog Hoppers are ranked under the homopterous sub-order of insects. The name of frog hopper refers partly to the form of their body, partly to their leaping powers, which are great; this power arises from the length of their hind legs. The larva of these insects, which resembles the parent in most respects except in the want of wings, envelops itself in a froth resembling human spittle. All must have often observed ths on plants."—(Charles Leonard-Stuart, 1911)

Larval Frog Hopper

"Frog Hoppers are ranked under the homopterous sub-order of insects. The name of frog hopper refers…

"While the food is being chewed it is moistened by saliva, or spittle, which flows into the mouth from six little glands. They are known as salivary glands.  There are three of them on each side." — Blaisedell, 1904

Salivary glands

"While the food is being chewed it is moistened by saliva, or spittle, which flows into the mouth from…