10 LIVRES EN ANGLAIS EN RAPPORT AVEC «SAWFLIES»
Découvrez l'usage de
sawflies dans la sélection bibliographique suivante. Des livres en rapport avec
sawflies et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
Stem
Sawflies of Economic Importance in Grain Crops in the ...
Lew E. Wallace, F. H. McNeal. (186) Salt, G. 1931. PARASITE8 OF THE WHEAT
STEM 8AWFLY CEPHUS PYGMAEUS (L.) in England. Bui. Ent. Res. 22 : 479-
545. (187) 1936. miscellaneous recobds of parasitism. Ent. Monthly Mag. 72: 9—
12 ...
Lew E. Wallace, F. H. McNeal, 1966
2
New
Sawflies in the Collections of the United States ...
NEW SAWFLIES IN THE COLLECTIONS OF THE UNITED STATES NATIONAL
MUSEUM BY S. A. ROHWER Boretu of Entomology, U. S. Department of
Agriculture, Washington, D. C. No. 1866. — From the Proceedings of the United
States ...
Sievert Allen Rohwer, 1911
3
Synopsis of the Species of
Sawflies Belonging to the Genus ...
SYNOPSIS OF THE SPECIES OF SAWFLIES BELONGING TO THE GENUS
DIMORPHOPTERYX BY S. A. ROHWER Of the Bureau of Entomology, United
States Department of Agriculture No. 2081. — From the Proceedings of the
United ...
Sievert Allen Rohwer, 1915
4
Hymenoptera: Evolution, Biodiversity and Biological Control
THE. BIOLOGY. OF. PERREYIINE. SAWFLIES(HYMENOPTERA: PERGIDAE).
OF. THE. PERREYIA. GENUS-GROUP. Carmen Flores1, Jesus Ugalde2, Paul
Hanson1 and Ian Gauld3'1 Escucla de Biologia, Universidad de Costa Rica, San
...
Andrew Austin, Mark Dowton, 2000
5
The Ecology of a Garden: The First Fifteen Years
Mesembrina meridiana (L.) SAWFLIES Sawflies (suborder Symphyta) are
distinguished from other Hymenoptera by the lack of a 'waist' at the base of the
relatively broad abdomen. Almost all also have two roughened protuberances,
called ...
6
Pollination and Floral Ecology
What remain as wasps can be divided into those without a waist (confusingly not
termed wasps at all, but sawflies, in the suborder Symphyta), and those with the
classical wasp waist (suborder Apocrita). The latter can be divided again into ...
7
Latin American Insects and Entomology
Although the primitive sawflies are free- living, phytophagous, and unarmed,
outstanding characteristics of this familiar order are their social or subsocial living
habits, predaceousness, and ability to sting. Among the Hymenoptera, all the
ants ...
Charles Leonard Hogue, 1993
8
Macroevolutionary Theory on Macroecological Patterns
The. focal. group. -. The. common. sawflies. When one species is understood
regarding distribution, abun- 91 dance, and population dynamics, it is essential to
test for the generality of the patterns discovered. "Study major, broad, repeatable
...
9
The Other Insect Societies
Larval sawflies present one of the most striking examples of convergence in the
animal world. As their subordinal name, Symphyta, indicates, these insects are
consumers of leaves and other plant tissue, a lifestyle paralleling that of the lep- ...
10
Current knowledge of Monodontomerus dentipes (Dalman), a ...
by Vicki H. Fedde, Associate Entomologist Forestry Sciences Laboratory
Research Triangle Park, North Carolina Monodontomerus dentipes (Dalman), a
European parasite of cocoons of pine sawflies, has been a key factor in the
control of the ...
Vicki H. Fedde, Southeastern Forest Experiment Station (Asheville, N.C.), 1974
10 ACTUALITÉS CONTENANT LE TERME «SAWFLIES»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
sawflies est employé dans le contexte des actualités suivantes.
Rose damage? Do this
These are sawflies and can be a real pest on roses, causing significant damage. In years past, the damage has been moderate; this year I am seeing fairly ... «Dayton Daily News, juil 15»
Field Days: Sawflies, Canadian thistle and drones...Oh my!
Tatyana Rand and Stefan Jaronski began the talks by introducing their research on wheat stem sawflies, a common pest across the wheatfields of North America ... «Sidney Herald Leader, juin 15»
HG Sperry 0620
Q. I have a bur oak with leaves that look like parchment paper. What causes that, and how can I stop it? A. The larvae of sawflies are skeletonizing the leaves. «San Antonio Express-News, juin 15»
On insects, galls and sawflies
We have had reports for the last three years about a number of ash trees that have sawfly larvae feeding on the leaves. These sawfly larvae are a light green ... «Kansas City Star, mai 15»
Using Enviro-weather to monitor European pine sawflies in Michigan
For example, if you are a Christmas tree grower interested in spraying for European pine sawflies, a pest of Scots, mugo, red, Japanese red, jack and Swiss ... «Michigan State University Extension, mai 15»
Sam Ingram: Rose Sawflies will skeletonize leaves
Rose sawflies are small, primitive wasps. Adults have small saw-like structures on their abdomen for egg laying. Adults emerge from the soil in spring and fly to ... «Savannah Morning News, mai 15»
Fix-It Chick: How to eradicate pine sawflies
Sawfly larvae hatch in March or April and feed on the outer cells of pine needles. They prefer scotch, red or mugo pines, but will happily settle for most any two- ... «Lawrence Journal World, avril 15»
What's on the menu for young African sawflies?
Sawflies belong to the same insect group as wasps, bees and ants. Unlike many of the latter, sawflies seldom make themselves conspicuous to humans, ... «Phys.Org, mars 15»
Summer sawflies may be active in conifers
Sawfly larvae are often mistaken for caterpillars, but are actually a primitive group of insects related to wasps and bees. The larvae usually feed in colonies of 10 ... «Michigan State University Extension, août 14»
Local tree owners gaining ground on sawflies
The recent invasion of the pine sawfly hasn't been good for owners of ponderosa pine trees but it has been good for pest control businesses kept busy by the ... «KRDO, août 14»
