Definitions
Century Dictionary and Cyclopedia
- n. The common name of the saltatorial chrysomelids, or those species of leaf-beetles which are capable of leaping by means of their thickened hind thighs. There are very many of them, mostly of small size. One of the commonest in the United States is the cucumber flea-beetle, Haltica or Crepidodera cucumeris (Harris), which is black, hairy, with the thorax punctate and transversely impressed at the base, the wing-covers punctate-striate, and the antennæ and legs partly yellow. Another is the striped flea-beetle, Phyllotreta vittata (Fabricius), which is metallic black, the thorax without impression, the elytra not punctured in rows, but with two sinuous yellow stripes. Its larva injures cabbages by mining in the leaves. Haltica chalybea is the grape-vine flea-beetle.
GNU Webster's 1913
- n. (Zoöl.) A small beetle of the family
Halticidæ , of many species. They have strong posterior legs and leap like fleas. The turnip flea-beetle (Phyllotreta vittata) and that of the grapevine (Graptodera chalybea) are common injurious species.
WordNet 3.0
- n. any small leaf beetle having enlarged hind legs and capable of jumping
Examples
“His race is as in eradicable as the flea-beetle; the last man lives longest.”
“The turnip flea-beetle quickly destroys young plants of the cruciferæ family by eating their leaves.”
“The pungent smell of guano is said to prevent the depredation of the flea-beetle, which, in many localities, seriously injures the plants early in the season, through its attacks on the seed-leaves.”
“The most serious are: (1) the rust or blight, for which there is no cure but carefully pulling and burning the plants as fast as infested; (2) the blackberry-bush borer, for which burn infested canes; and (3) the recently introduced bramble flea-louse, which resembles the green plant-louse or aphis except that it is a brisk jumper, like the flea-beetle.”
“Two serious troubles often mistaken for blight are: (1) Tip burn, the browning of the tips and margins of the leaves due to dry weather; and (2) flea-beetle injury, in which the leaves show numerous small holes and then dry up.”
“= The flea-beetle inflicts much damage on the potato, tomato, eggplant, and other garden plants.”
“Among the common diseases and insect pests that attack the leaves and stems of potato vines are early blight, late blight, brown rot, the flea-beetle, and the potato beetle, or potato bug.”
“Estimate the damage done to some crops by the flea-beetle.”
“The accompanying figure shows the common striped flea-beetle which lives on the tomato.”
“This mixture has some insecticidal value, is a most valuable fungicide, and is also a powerful deterrent of flea-beetle attack, acting to a less degree against other insects which are apt to be found on the tomato.”
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