Written in EnglishRead online
|Statement||P. de Groot.|
|Series||Information report / Forest Pest Management Institute -- FPM-X-69., Report (Forest Pest Management Institute (Canada)) -- FPM-X-69.|
|Contributions||Forest Pest Management Institute (Canada)|
|The Physical Object|
|Pagination||iii, 38 p. ;|
|Number of Pages||38|
|LC Control Number||86071545|
Download Diptera associated with cones and seeds of North American conifers
Get this from a library. Diptera associated with cones and seeds of North American conifers: an annotated bibliography. [Peter De Groot]. Cone and Seed Diseases of North American Conifers [Sutherland, Jack R.; Miller, Thomas; Quinard, Rudolfo Salinas] on *FREE* shipping on qualifying offers.
Chances are if a tree has any of these features at all it is a conifer, especially if the tree also bears cone-like seeds. The Most Common Conifer Trees in North America Three of the most common conifers that grow in North America are pine, fir, and spruce trees.
Cone and Seed Insects of North American Conifers by Hedlin, A.f. Et Al at Pemberley Books. A copiously illustrated paperback guide intended for seed orchard managers and summarizing information on the recognition, biology and importance of the cone and seed damaging insects of Canada, USA and Mexico.
There are 8 sections. I, Conifer hosts, describes the 4 major commercial genera (Abies, Picea, Pinus, Pseudotsuga) and lists other hosts giving distribution Cited by: PDF | The world fauna comprises species from 52 genera of gall midges associated with plants of the order Pinales (3 families, 16 genera and.
Cone and seed diseases of North American conifers. North American forestry Commission Publication Number 1. Sutherland, J.R.; Miller, T.; Quinard, R.S., Editors.
Flies of the genus Strobilomyia are major pests of conifers in Eurasia and North America. They are specialized feeders in cones and seeds of Abies (fir), Larix (larch),and Picea (spruce).
THE CONE AND SEED INSECTS OF TAMARACK IN EASTERN NORTH AMERICA P. Amirault Canada-Alberta Forest Resource Development Agreement Northern Forestry Centre. Canadian Forestry Service St.
Edmonton, Alberta T6H 3S5 ABSTRACT The complex of insects causing damage to the cones and seeds of tamarack. At those extremes, they often form pure stands of one or a few species.
The immense boreal forests (or taiga) of northern Eurasia and North America are dominated by just a dozen species of conifers, with even fewer adjunct kinds of hardwoods. The richest north temperate conifer forests are those. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle.
A synopsis of gall midges associated with conifers, with description of a new species of the genus Kaltenbachiola Hedicke (Diptera, Cecidomyiidae: Lasiopterinae) from Yakutia, damaging cones of the Siberian spruce (Picea obovata) : Z.
Fedotova, A. Averenskij. Conifers is an extremely thorough and well-illustrated book that will be a great asset to landscape architects and horticulturists.
-- Landscape Journal This is a scrumptious atlas for all lovers of gymnosperms. -- Taxon, August Cited by: 7. American Libraries Canadian Libraries Universal Library Community Texts Project Gutenberg Biodiversity Heritage Library Children's Library.
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In two laboratory experiments, adult western conifer seed bugs, Leptoglossus occidentalis Heidemann, did not feed on seed infested by the Douglas-fir seed chalcid, Megastigmus spermotrophus Wachtl.
When presented with seed lots containing 0, 20, 40, 60, 80, or % chalcid-infested seed, seed bugs fed on uninfested seed only when the percent Cited by: Conifers are known to everyone as a conspicuous kind of evergreen trees or shrubs that feature prominently in gardens and parks as well as in many managed forests in the cool to cold temperate regions of the Northern Hemisphere.
Numerous books have been written about them and continue to appear, mostly with a bias towards these uses in Europe and North America. A total of 39 insect species, mostly seed chalcids in the genus Megastigmus (Hymenoptera), but also midges (Diptera), are listed as potential seed-borne invaders of Chinese conifers.
Although the number of native seed insects per conifer genus does not differ between China and other biogeographical regions, there are significantly fewer seed insects associated with each conifer Cited by: Flies of the genus Strobilomyia are major pests of conifers in Eurasia and North America.
They are specialized feeders in cones and seeds of Abies (fir), Larix (larch),and Picea (spruce). This close association is accompanied by a large number of sympatric Strobilomyia species coexisting within each tree genus.
The life cycle of Strobilomyia anthracina (Czerny) which exploits Norway spruce seed cones was investigated in and in the Alps at c. m at Torgnon (Valle d'Aosta, Italy) and Lac de Tseuzier (Valais, Switzerland) by sampling cones at fortnightly ition occurred primarily singly in the basal third of cones at the beginning of June when cone Cited by: Abstract.
Among the pest species that damage larch cones in Eurasia, the larch cone fly, Lasiomma melania Ackland (Diptera: Anthomyiidae), is undoubtedly one of the most serious. The genus Lasiomma contains at least three closely related species that attack larch cones in the same areas: L.
melania, L. laricicola Karl, and L. infrequens Ackland. These three species. The Gymnosperm Bookstore.
In the course of developing the Gymnosperm Database, I have drawn on a wide array of information sources -- newspaper articles, articles from scientific journals, academic and popular books, historical materials, Internet data sources, e-mail from readers, conversation with conifer and cycad lovers (I'm afraid I have yet to meet a Gnetum.
A field guide to collecting cones of British Columbia conifers Issued under Canada-British Columbia Partnership Agreement on Forest Resource Development: FRDA II. Co-published by British Columbia Ministry of Forests. ISBN Cat no. Fo/E 1. Conifers – Seeds – Harvesting – British Columbia. Cones (Botany File Size: 1MB.
Order Diptera (Flies) From the Greek di = two and ptera = wings. Flies have only one pair of wings -- the front pair, on the mesothorax. Flies are minute to large insects (about to 60 mm long), extremely variable in form and colour, but are mostly rather soft bodied, flying forms.
When the cones of conifers open, they spread their seeds through the wind. The seeds can travel a good distance and are not fussy about where they grow. Wilding conifers come from a variety of places including Europe and North America.
Why are wilding conifers a problem for NZ. These pest plants take over landscapes. They change. Contents Page Introduction 1 Section 1 — Common Groups of Insects Associated with Ponderosa Pine 3 Section 2— Key to Insect-Caused Tree Damage 4 Index 4 Damage to Cones 4 Damage to Shoots, Twigs, or Terminals 4 Damage to Foliage (Needles) Only 5 Damage to Trunk, Entire Tree, or Wood 6 Section 3 — Annotated List of Common Insect Species.
Abstract. Leptoglossus occidentalis Heidemann is a serious pest of second-year cones in conifer seed orchards. We investigated the impact of this insect on first-year pine conelets. occidentalis adults and nymphs were caged on conelets of lodgepole pine, Pinus contorta var.
latifolia Engelmann, and western white pine, Pinus monticola Dougl. ex D. Don. Cited by: ENCYCLOPEDIA OF CONIFERS A Comprehensive Guide to Cultivars and Species. Starred Review Library Journal. read full review. The order Pinales contains the conifers, or cone-bearing seed plants.
In New York, this includes the three families Pinaceae (pine, fir, spruce, and larch), Cupressaceae (cypress, juniper, and arborviteae), and Taxaceae (yew). Most of the Pinales are "evergreen," maintaining most of their foliage and its green color through the winter. Picea glauca, the white spruce, is a species of spruce native to the northern temperate and boreal forests in North : Tracheophytes.
Western Conifer Seed Bugs Seeking Winter Shelter. Every year I receive questions about this unusual-looking insect which is often found on and in houses in the fall. As a result, I publish a post about it every couple of years. For those of you with good memories, please excuse the repetition.
A spruce is a tree of the genus Picea / p aɪ ˈ s iː ə /, a genus of about 35 species of coniferous evergreen trees in the family Pinaceae, found in the northern temperate and boreal regions of the Earth. Picea is the sole genus in the subfamily s are large trees, from about 20–60 m (about 60– ft) tall when mature, and have whorled branches and conical : Tracheophytes.
Coniferous plants are usually evergreen, and many have needles instead of leaves. Most important, coniferous plants reproduce by growing seeds inside of cones. These cones ripen over the course of weeks, and the seeds are then dispersed either by being dropped, eaten or carried away by forest wildlife.
A distinct subtype of the North American coniferous forest is the moist temperate coniferous forest, or coast forest, which is found along the west coast of North America eastward to the Rocky subtype is sometimes called temperate rain forest (see temperate forest), although this term is properly applied only to broad-leaved evergreen forests of the Southern.
Parasites reared from infested cones in western North America have been introduced into France to help reduce populations of this seed chalcid. speculatris was also introduced from North America and now infests cones of Siberian fir, Abies sibirica and Nordmanns fir, A.
nordmanniana in Europe. Compendium of Conifer Diseases, Second Edition, describes more than diseases and disorders of conifers in these major sections: The Introduction provides background on the botany and diseases of conifers, up-to-date information on climate change and fungal taxonomy, and a comprehensive list of both classic and current publications about.
Sutherland ). In severely-infected cones, practically no seeds are produced (Singh and Carew ). Also, cone malformation and resinosis hinder seed extraction or dispersal (Nelson and Krebill ; Singh and Carew ).
Seeds from diseased cones usually weigh significantly less and have reduced or abnormal germination (Singh and Carew ). These diseased cones can contaminate the cones and seeds from less susceptible clones when they are included in bulk collections.
Not all Fusarium species are pathogenic to tree seeds and isolates of some species (for example, F. oxyspo rum) can vary greatly in pathogenicity. Conifer and Hardwood Diseases Seed Fungi. Had seed cones bearing bracts but in the axils of the bracts was a shoot system (axis bearing sterile leaves and ovules on fertile leaves) Rudolf Florin Swedish botanist who speculated that the lateral shoot system was evolutionary modified into the single, dorsiventrally flattened ovuliferous scale of conifers.
First seed plants fernlike in appearance = pteridosperms (seed ferns) - Reclassified as gymnosperms Gymnosperm refers to the exposed nature of the seeds.
• Seeds produced on surface of sporophylls or similar structures, instead of enclosed within a fruit as in flowering plants.
• Seed-bearing and pollen-bearing sporophylls often arranged in. Simple Keys for Identifying Conifers: The Pine Family Conifer stems from Latin and means “cone bearer”. There are seven different families of conifers, all of which bear cones.
True cedars have clusters of 15 or more needles and, although some species have been naturalized in North America, they are native to the Middle and Far East. Bibliography on insects destructive to flowers, cones, and seeds of North American conifers, ([Asheville, N.C., Southeastern Forest Experiment Station], ), by Dorothy R.
Barcia and Edward P. Merkel (page images at HathiTrust; US access only) A portable apparatus for estimating stomatal aperture in confiers / (Portland, Or.Start studying essm exam 2. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
Sequoia sempervirens (D. Don) Endlicher Common names. Coast redwood, redwood, California redwood (Little ), coastal sequoia, palo mic notes.
Syn: Taxodium sempervirens D. Don in Lambert (Watson ); Sequoia sempervirens (Lambert) Endlicher (Peattie ).It is the sole species in Sequoia Endlicher Described .