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phylloxera
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The answer PHYLLOXERA has 3 possible clue(s) in existing crosswords.
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The word PHYLLOXERA is VALID in some board games. Check PHYLLOXERA in word games in Scrabble, Words With Friends, see scores, anagrams etc.
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Definitions of phylloxera in various dictionaries:
noun - type genus of the Phylloxeridae: plant lice
PHYLLOXERA - Grape phylloxera (Daktulosphaira vitifoliae (Fitch 1855); family Phylloxeridae, within the order Hemiptera, bugs); originally described in France as ...
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Keep reading for additional results and analysis below.
| Possible Crossword Clues |
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| Insect said to infest hair, over time |
| Say, complete fence to hold down a pest in the chateau |
| Insect similar to the greenfly that is destructive to vines |
| Last Seen in these Crosswords & Puzzles |
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| Jan 6 2013 The Telegraph - General Knowledge |
| Jan 2 2004 The Times - Cryptic |
| Apr 6 2002 The Times - Cryptic |
| Possible Dictionary Clues |
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| Any of several small insects of the genus Phylloxera that are related to aphids, especially P. vitifoliae, a widely distributed species very destructive to grape crops. |
| type genus of the Phylloxeridae: plant lice |
| Phylloxera description |
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Grape phylloxera (Daktulosphaira vitifoliae (Fitch 1855); family Phylloxeridae, within the order Hemiptera, bugs); originally described in France as Phylloxera vastatrix; equated to the previously described Daktulosphaira vitifoliae, Phylloxera vitifoliae; commonly just called phylloxera (; from Ancient Greek: φύλλον, leaf, and ξηρός, dry) is a pest of commercial grapevines worldwide, originally native to eastern North America. * These almost microscopic, pale yellow sap-sucking insects, related to aphids, feed on the roots and leaves of grapevines (depending on the phylloxera genetic strain). On Vitis vinifera, the resulting deformations on roots ("nodosities" and "tuberosities") and secondary fungal infections can girdle roots, gradually cutting off the flow of nutrients and water to the vine. Nymphs also form protective galls on the undersides of grapevine leaves of some Vitis species and overwinter under the bark or on the vine roots; these leaf galls are typically only found on the leaves of American vines. * American vine species (such as Vitis labrusca) have evolved to have several natural defenses against phylloxera. The roots of the American vines exude a sticky sap that repels the nymph form when it tries to feed from the vine by clogging its mouth. If the nymph is successful in creating a feeding wound on the root, American vines respond by forming a protective layer of tissue to cover the wound and protect it from secondary bacterial or fungal infections.Currently there is no cure for phylloxera and unlike other grape diseases such as powdery or downy mildew, there is no chemical control or response. The only successful means of controlling phylloxera has been the grafting of phylloxera-resistant American rootstock (usually hybrid varieties created from the Vitis berlandieri, Vitis riparia and Vitis rupestris species) to more susceptible European vinifera vines. |