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Sunday, May 3, 2020 | History

2 edition of Three species of apple plant lice in Oregon found in the catalog.

Three species of apple plant lice in Oregon

H. F. Wilson

Three species of apple plant lice in Oregon

by H. F. Wilson

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  • 1 Currently reading

Published by Oregon Agricultural College and Experiment Station in [Corvallis, Or.] .
Written in English

    Subjects:
  • Apple -- Diseases and pests -- Oregon.,
  • Aphididae -- Oregon.

  • Edition Notes

    Cover title.

    Statementby H.F. Wilson.
    SeriesCrop pest series -- no. 2., Circular bulletin / Oregon Agricultural College and Experiment Station -- no. 12., Circular bulletin (Oregon Agricultural College. Experiment Station) -- no. 12.
    ContributionsOregon Agricultural College. Experiment Station.
    The Physical Object
    Pagination8 p. ;
    ID Numbers
    Open LibraryOL16099506M

    The Plant Lice, or Aphiidae, of Illinois: Author(s): Hottes, Frederick C.; Frison, Theodore Henry: Subject(s): Aphiidae Illinois Taxonomy Systematics: Abstract: This paper is purely a faunistic or synoptic study of the plant lice of Illinois and is not to be considered as revisional or monographic in by:   I have declared war. My beautiful container plants have been attacked by green dots. These little irritating aphids suck out the living life out of my plants and spread their plant killing bacteria. Plant lice is such a good description as they breed like crazy and it .

    1. Humans are infested with three types of lice, whereas modern primates are colonized by a single species. DNA analysis indicates the human head louse and chimp louse shared a common ancestor 6 million years ago. This independently agrees with the fossil record. 2. Human pubic lice look very different from head lice and most resemble gorilla lice. Lice Knowing You coupons in Portland & Oregon. Free 30 day Chinook Book app trial.

    Park and woodland insects. Aphids or plant lice. Additional title: Aphids or plant lice. Names Joutel, L. H. (Artist) Collection. Wallach Division Picture Collection. Insects -- Harmful. Dates / Origin Date Created: Library locations The Miriam and Ira D. Wallach Division of Art, Prints and Photographs: Picture Collection Shelf locator: PC. Three types of sucking lice are important for human health: Pediculus humanus capitis (head louse), P. humanus humanus (body louse) and Pthirus pubis (crab louse). Lice spend all of their life on one very specific host and both male and female feed on blood and .


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Three species of apple plant lice in Oregon by H. F. Wilson Download PDF EPUB FB2

Some species feed on only one type of plant, while others are generalists, colonising many plant groups. About 5, species of aphid have been described, all included in the family Aphididae.

Around of these are found on food and fibre crops, and many are serious pests of agriculture and forestry, as well as an annoyance for : Insecta. Louse (plural: lice) is the common name for members of the order Phthiraptera, which contains nearly 5, species of wingless are obligate parasites, living externally on warm-blooded hosts which include every species of bird and mammal, except for monotremes, pangolins, and are vectors of diseases such as typhus.

Chewing lice live among the hairs or feathers of their Class: Insecta. GROSS MORPHOLOGY OF THE APPLE. (A technical bulletin of interest more par-ticularly to research workers and technol-ogists.) Circular 12—THREE SPECIES OF APPLE PLANT LICE IN OREGON.

An 8-page pamphlet giving description and methods for control of Green Apple Aphis, Brown Apple Aphis, and Woolly Apple Aphis. Circular 13—ORCHARD SPRAYING. So, if you plant aphid-attracting plants alongside aphid-discouraging plants, it will Three species of apple plant lice in Oregon book you to have less aphid attacks.

But the best method to get rid of aphids is making an organic soap spray. Use the type of soap your grandmother used to clean the kitchen.

Spray every two to three days over a period of a week. Mix together. The apple fruit is a globose pome, varying in size from 1 - 4 cm (0,25⁄64" - 1,37⁄64") diameter on most of the wild species, and up to 8 cm (3,5⁄32") on the cultivated Orchard apple (Malus domestica).

The center of the fruit contains five carpels arranged like a star, each containing one or two seeds. Plant lice, or aphids, are a common plant pest. Aphids are not capable of inflicting damage in small numbers, but if left to breed can make large populations that can destroy plants.

Aphids are also known for transmitting a large number of plant diseases. primary species of apple and most can be readily hybridized (KorbanWay et al. The cultivated apple is likely the result of initial domestication followed by inter-specific.

The lice do not actually hurt trees and are often thought of as helpful because they clean trees by eating things that your tree does not need like fungi, algae, mold, dead plant tissue and other debris.

Bark lice actually devour their silken webbing at the end of the season as. The first half of "The New Book of Apples" provides a very fine overview of the origin, history, and uses of apples.

However, the second half, the Directory of Apples is such a bare-bones overview of most species - except the best known - as to be of minimal worth, and some species that I /5(13). This is a reproduction of a book published before This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc.

that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections,Author: Theodore Pergande.

Lice are wingless, flattened insects, usually 2–4 mm long, although the species infesting animals may range from 1–8 mm long.

The claws of the legs are adapted for clinging to and moving among hairs or feathers; the size and shape of the claws tend to be specialized for the average width of a hair shaft of the host species. Size: Small trees that grow to 40' or large shrubs, often growing in thickets.

Leaves: Simple, alternate, deciduous. Egg-shaped; 1"-4" long; margins serrated or lobed and serrated. Fruit: Small apples (1/4"-3/4" in diameter); yellow to red in color. Twigs: Reddish-brown; spur shoots on older branches; no thorns (although some branch tips may be sharp).

Get the latest Oregon Local News, Sports News & US breaking News. View daily OR weather updates, watch videos and photos, join the discussion in forums. Find more news articles and stories online.

Aphids, or Plant Lice, are tiny, usually greenish, soft-bodies sucking insects, found on the undersides of the leaves of sweet pea plants. 50 years: sweet pea Tests confirmed the grape was not a merlot but a carmenere, which had disappeared from France during a phylloxera plant lice outbreak in the s.

plant louse: see aphid aphid or plant louse, tiny, usually green, soft-bodied, pear-shaped insect injurious to vegetation. It is also called greenfly and blight. Aphids are mostly under in.

(6 mm) long. Buy The New Book of Apples: The Definitive Guide to Over Varieties Rev Ed by Morgan, Joan (ISBN: ) from Amazon's Book Store. Everyday low prices and free delivery on /5(33). Booklice are small insects which love moisture. In general, they need to live where humidity is high or moisture is present.

Common places for booklice populations to thrive include window sills, under outside siding of homes, tree trunks, shrubs, flowers, around garden hoses, under bricks and rocks, around light fixtures and under boxes. Plant lice can be black, white, green, brown, pink, or red.

No matter their color, they have the same shape and appearance. The average length of a plant louse is 1/32" to 1/8" long. They have relatively long legs, and a pair of antennae atop their heads. Signs of Infestation. Plant lice leave a clear, sticky residue on plants.

Define Plant lice. Plant lice synonyms, Plant lice pronunciation, Plant lice translation, English dictionary definition of Plant lice. See aphid. See psyllid. n 1. another name for an aphid 2. jumping plant louse any small active cicada-like insect of the homopterous family Plant lice.

Full text of "Some important orchard plant lice" Three species of plant lice — green apple aphis, the rosy apple aphis and the oat aphis, especially the first two — attack the foliage and fruit of apple in New Jersey and are capable under favorable conditions of destroying a larg'e percentage of the crop.

All species winter over on. There are hundreds of different species found in the U.S. and the species that live outdoors have wings, while the species that live indoors are mostly wingless.

Adult booklice are soft bodied and can be colorless or have a slightly gray or yellowish-brown tint/5().Jumping plant louse, any member of the approximately 2, species of the insect family Psyllidae (order Homoptera). The jumping plant louse is about the size of a pinhead.

Its head, long antennae and legs, and transparent wings resemble, on a reduced scale, the features of the are deposited on leaves or twigs of the host plant; the nymphs, flattened and broadly ovate, usually feed.

Without bees, humans – and most other animals – would go hungry. Experts estimate that between 50% and 80% of the world’s food supply is either directly or indirectly linked to honey bee pollination. From the pollination of apple trees to the seeds used to grow livestock grain, honey bees are a major link in our food chain.5/5.