clover aphid

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• clover aphid — noun : a common aphid (Nearctaphis bakeri) chiefly of western and northwestern United States that in early spring feeds on apple and later on clover to which it is often very destructive …   Useful english dictionary

• yellow clover aphid — noun : a plant louse (Therioaphis trifolii) that occurs in many parts of the United States and is especially destructive to alfalfa in the southwestern states …   Useful english dictionary

• aphid — aphidian /euh fid ee euhn/, adj., n. aphidious, adj. /ay fid, af id/, n. any of numerous tiny soft bodied insects of the family Aphididae of worldwide distribution, that suck the sap from the stems and leaves of various plants, some developing… …   Universalium

• spotted alfalfa aphid — noun : a highly destructive Old World aphid (Therioaphis maculata) established in warmer areas of the United States that causes yellowing and stunting of infested plants and especially alfalfa by injecting a toxic saliva while feeding * * * a… …   Useful english dictionary

• pea aphid — noun : a widely distributed aphid (Acyrthosiphon pisum) that is a serious pest on legumes (as alfalfa, pea, clover, vetch) * * * a large green aphid, Acyrthosiphon pisum, that is a pest of peas, clovers, alfalfa, and similar plants and occurs… …   Useful english dictionary

• Hop clover — Hop Hop, n. [OE. hoppe; akin to D. hop, hoppe, OHG. hopfo, G. hopfen; cf. LL. hupa, W. hopez, Armor. houpez, and Icel. humall, SW. & Dan. humle.] 1. (Bot.) A climbing plant ({Humulus Lupulus}), having a long, twining, annual stalk. It is… …   The Collaborative International Dictionary of English

• pea aphid — noun Date: 1925 a widely distributed aphid (Acyrthosiphon pisum) that is a serious pest on legumes (as alfalfa, pea, and clover) …   New Collegiate Dictionary

• spotted alfalfa aphid — a pale yellowish aphid, Therioaphis maculata, of the southern U.S., esp. west of the Mississippi River, that is marked with black spots and has fine spines on its back: a pest mainly of alfalfa and some other legumes, as clover. [1955 60] * * * …   Universalium

• spotted alfalfa aphid — noun a yellow green aphid, Therioaphis trifolii, with rows of spots across the body; a pest of lucerne or clover; accidentally introduced into Australia from the Mediterranean and the Middle East …  

• Tree clover — Tree Tree (tr[=e]), n. [OE. tree, tre, treo, AS. tre[ o], tre[ o]w, tree, wood; akin to OFries. tr[=e], OS. treo, trio, Icel. tr[=e], Dan. tr[ae], Sw. tr[ a], tr[ a]d, Goth. triu, Russ. drevo, W. derw an oak, Ir. darag, darog, Gr. dry^s a tree,… …   The Collaborative International Dictionary of English

• Agriculture in the United Kingdom — A combine harvester in Scotland Agriculture in the United Kingdom uses around 71% of the country s land area and contributes about 0.6% of its gross value added. The UK produces less than 60% of the food it eats and the industry s share of the… …   Wikipedia