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Eriophyid
Eriophyidae is a family of more than 200 genera of mites, which live as plant parasites, commonly causing galls or other damage to the plant tissues and hence known as gall mites. About 3,600 species have been described, but this is probably less than 10% of the actual number existing in this poorly researched family. They are microscopic mites and are yellow to pinkish white to purplish in color. The mites are worm like, and have only two pairs of legs. Their primary method of population spread is by wind. They affect a wide range of plants, and several are major pest species causing substantial economic damage to crops. Some species, however, are used as biological agents to control weeds and invasive plant species. Notable species Notable species in this family include: *''Abacarus hystrix'', the cereal rust mite *''Abacarus sacchari'', the sugarcane rust mite *''Acalitus essigi'', the redberry mite, which affects blackberries *''Aceria chondrillae'', the chondrilla gall m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Abacarus Hystrix
''Abacarus hystrix'', the cereal rust mite or grain rust mite, belongs to the family Eriophyidae. They are extremely small with adults measuring up to in length and only have four legs at the front of the body. Viewing by the human eye requires a 10 – 20X lens.Whalen, J. and Cissel, B. 2012. Cereal Rust Mite in Timothy. Available at: The adult mites are usually yellow but also have been seen to be white or orange. The cereal rust mite was first found on ''Elymus repens'' (couch grass), a very common perennial grass species. It has now been found on more than 60 grass species including oats, barley, wheat and ryegrass, found in Europe, North America, South Africa and Australia.Gibson, R. 1974. Studies on the feeding behaviour of the eriophyid mite ''Abacarus hystrix'', a vector of grass viruses. Annals of Applied Biology, 78 (3), pp. 213-217. ccessed: 28 Oct 2013 Mites migrate primarily through wind movement and are usually found on the highest basal sections of the top two le ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eriophyes Cerasicrumena 2
''Eriophyes'' is a genus of acari that forms galls, specially on trees of the family Rosaceae. Some are called blister mites. The blue butterfly '' Celastrina serotina'' has been reported to feed on these galls and also on the mites, making it one of the uncommon carnivorous Lepidoptera. Species Species include: * ''Eriophyes alniincanae'' Nalepa, 1919 * ''Eriophyes amelancheus'' Nalepa, 1926 * '' Eriophyes arianus'' (Canestrini 1890) * ''Eriophyes betulae'' * ''Eriophyes betulinus'' * ''Eriophyes bucidae'' * ''Eriophyes buxi'' * '' Eriophyes calcercis'' , purple erineum maple mite * ''Eriophyes calophylli'' * ''Eriophyes calycophthirus'' * ''Eriophyes canestrini'' * '' Eriophyes canestrinii'' * ''Eriophyes cerasicrumena'' , black cherry finger gall mite * ''Eriophyes chondrillae'' * ''Eriophyes condrillae'' , gall mites * ''Eriophyes crataegi'' * '' Eriophyes cupulariae'' * '' Eriophyes dentatae'' * '' Eriophyes dimocarpi'' , longan gall mite * '' Eriophyes diversi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coconut
The coconut tree (''Cocos nucifera'') is a member of the palm tree family (Arecaceae) and the only living species of the genus ''Cocos''. The term "coconut" (or the archaic "cocoanut") can refer to the whole coconut palm, the seed, or the fruit, which botanically is a drupe, not a nut. The name comes from the old Portuguese word '' coco'', meaning "head" or "skull", after the three indentations on the coconut shell that resemble facial features. They are ubiquitous in coastal tropical regions and are a cultural icon of the tropics. The coconut tree provides food, fuel, cosmetics, folk medicine and building materials, among many other uses. The inner flesh of the mature seed, as well as the coconut milk extracted from it, form a regular part of the diets of many people in the tropics and subtropics. Coconuts are distinct from other fruits because their endosperm contains a large quantity of clear liquid, called '' coconut water'' or ''coconut juice''. Mature, ripe co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aceria Guerreronis
''Aceria guerreronis'', the coconut mite, is an eriophyid mite which infests coconut plantations. It is economically devastating, and can destroy up to 60% of coconut production. The immature nuts are infested and injured by mites feeding in the portion covered by the perianth of the immature nut. Description The coconut mite is small, with a length of about and a width of ; this is too small to see with the naked eye. The mite is white and translucent, long and slender, with two pairs of legs. Populations build up rapidly, and the presence of this mite is generally indicated by the damage it does, and confirmed microscopically. Distribution ''Aceria guerreronis'' was first described by Hartford H Keifer in 1965 from Mexico, but it is unclear whether it originated from the Old or New World. The coconut palm originated in the South Pacific region and spread along the coasts of Asia, and later Africa. It was introduced into the Americas by traders in the sixteenth century, but ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alfred Nalepa
Alfred Nalepa (19 December 1856, in Werschetz – 11 December 1929, in Baden bei Wien) was an Austrian zoologist specializing in the field of acarology. He studied natural sciences at the University of Vienna, and from 1886 was associated with the ''Lehrerbildungsanstalt'' in Linz. In 1892 he returned to Vienna, where he was appointed professor of natural history at the ''Elisabethgymnasium''. He described many species in the field of acarology, and was the taxonomic authority of the gall mite family, Eriophyidae. Principal works * ''Beiträge zur Systematik der Phytopten'', 1889 - Contribution to the systematics of Phytoptidae. * ''Beiträge zur Kenntniss der Phyllocoptiden'', 1894 - Contribution to the knowledge of ''Phyllocoptes ''Phyllocoptes'' is a genus of acari, including the following species: * '' Phyllocoptes abaenus'' Keifer, 1940 * '' Phyllocoptes adalius'' Keifer, 1939 * '' Phyllocoptes alniborealis'' Liro, 1950 * '' Phyllocoptes alniincanae'' Roivainen, 194 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aceria Chondrillae
''Aceria chondrillae'' (chondrilla gall mite, skeletonweed gall mite) is a gall forming deuterogynous, eriophyid (mite) often used as a biological control of the noxious weed, '' Chondrilla juncea'' (Rush skeletonweed), a highly competitive herbaceous perennial composite found in Europe, Asia, Australia and North America.Krantz, G.W. and Ehrensing, D.T. (1990). ‘Deuterogyny in the Skeleton Weed Mite, Aceria Chondrillae (G. Can.) (Acari: Eriophyidae)’, International Journal of Acarology, Vol. 16, No 3, pp 129-133. Biological description At maturity, mites are yellowish orange in colour, with females ranging from 0.19-0.26 mm in length with the males slightly smaller at, 0.165-0.180 mm.Powell G.W., Sturko A., Wikeem B.M., Harris P. (1994). ‘Field Guide to the Biological Control of Weeds in British Columbia’, British Columbia Ministry Forest Research Program Land Management, pp. 55-56. Except for genitalia male and female mites are externally similar. Larvae are sm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cecidophyopsis Ribis
''Cecidophyopsis ribis'' is an eriophyid mite which is best known for being a plant parasite, a pest of ''Ribes'' species, the genus that includes gooseberries and blackcurrants. It is commonly known as the blackcurrant gall mite or big bud mite. It feeds on the plants' buds, forming galls, and transmits a virus which causes blackcurrant reversion disease. The mite is a serious pest of blackcurrant crops in Europe, but rarely on other continents. Biology Buds affected by ''Cecidophyopsis ribis'' become swollen and globular and fail to develop normally. They are first noticeable in the autumn when they are unpointed and twice as large as normal buds. Inside the bud, between the closely folded leaves, are thousands of small, spherical eggs which later hatch into sausage-shaped mites with short legs near their anterior end. The mites suck sap from the buds and while they are doing so, can transmit the virus that causes blackcurrant reversion disease. The mites are long. When matur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acalitus Essigi
''Acalitus essigi'', the redberry mite, is an Eriophyidae, eriophyid mite which is a serious pest of commercially produced blackberry, blackberries in the United States. The redberry mite is microscopic, requiring at least a 20× hand lens to detect. It has two pairs of legs and a thin, translucent appearance. Overwintering mites colonize tiny spaces beneath the exterior scales of dormant buds of blackberries. As the season progresses, redberry mite migration occurs up the flower stem to colonize bract, leaf axial bracts, the fruit's sepal, calyx area as well as the spaces between berry druplets. Redberry mite feeding prevents berries from ripening uniformly, causing from one to many druplets to remain as a bright red cluster on the otherwise black and fully ripe fruit. Affected druplets never do ripen, causing the entire fruit to be inedible and unmarketable. Historically, redberry mite has been most damaging to blackberry varieties such as Chester, which mature later in the summ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Abacarus
''Abacarus'' is a genus of acari, including the following species: * ''Abacarus acutatus'' Sukhareva, 1985 * ''Abacarus doctus'' Navia ''et al.'', 2011Navia, D., Flechtmann, C.H.W., Lindquist, E.E., & Aguilar, H. (2011). "A new species of ''Abacarus'' (Acari: Prostigmata: Eriophyidae) damaging sugarcane, ''Sacharum officinarum'' L., from Costa Rica—the first eriophyid mite described with a tibial seta on leg II." ''Zootaxa'' 3025: 51-58. * '' Abacarus hystrix'' (Nalepa, 1896) * ''Abacarus lolii'' Skoracka, 2009 * ''Abacarus sacchari ''Abacarus sacchari'', the sugarcane rust mite, is an agricultural pest mite mostly on sugar cane plantations in Africa, Brazil, India, Guatemala, Costa Rica and Venezuela Venezuela (; ), officially the Bolivarian Republic of Venezuela ( ...'' Channabasavanna, 1966 References Eriophyidae Trombidiformes genera {{Trombidiformes-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ribes
''Ribes'' is a genus of about 200 known species of flowering plants, most of them native to the temperate regions of the Northern Hemisphere. The various species are known as currants or gooseberries, and some are cultivated for their edible fruit or as ornamental plants. ''Ribes'' is the only genus in the family Grossulariaceae. Description ''Ribes'' species are medium shrublike plants with marked diversity in strikingly diverse flowers and fruit. They have either palmately lobed or compound leaves, and some have thorns. The sepals of the flowers are larger than the petals, and fuse into a tube or saucer shape. The ovary is inferior, maturing into a berry with many seeds. Taxonomy ''Ribes'' is the single genus in the Saxifragales family Grossulariaceae. Although once included in the broader circumscription of Saxifragaceae '' sensu lato'', it is now positioned as a sister group to Saxifragaceae ''sensu stricto''. Subdivision First treated on a worldwide basis in 1907, the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eriophyes Tiliae
''Eriophyes tiliae'' is a mite that forms the lime nail gall or bugle gall. It develops in a chemically induced gall; an erect, oblique or curved distortion rising up from the upper surface of the leaves of the lime (linden) trees (genus '' Tilia''), such as the large-leaved lime tree '' Tilia platyphyllos'', the common lime tree ''Tilia × europaea'', etc. Description During late spring and summer, tubular growths up to long develop apically on the leaves of ''Tilia sp.'' These galls are yellow-green or red in color, may be very numerous, and predominantly occur on the lower leaves in some sub-species. The galls appear not to affect the health of their hosts, and no way of controlling or preventing them exists. Taxonomy Several sub-species have been identified, partly identified by their positioning on the leaves in relation to the veins and other structures. Life cycle The mites move onto the foliage in the spring, having overwintered in bark crevices and around ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eriophyes Padi
''Eriophyes padi'' is a gall-forming mite that causes cherry pouch galls on black cherry ''Prunus serotina'', commonly called black cherry,World Economic Plants: A Standard Reference, Second Edition'. CRC Press; 19 April 2016. . p. 833–. wild black cherry, rum cherry, or mountain black cherry, is a deciduous tree or shrub of the ... trees. References Agricultural pest mites Eriophyidae Animals described in 1890 Arachnids of North America {{agriculture-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
