与 «WEBWORM»相关的英语书籍
在以下的参考文献中发现
webworm的用法。与
webworm相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Tip moth and
webworm attacks in southwide pine seed source ...
Gerard D. Hertel, Daniel M. Benjamin, Southeastern Forest Experiment Station (
Asheville, N.C.), United States. Forest Service. Table l.--Mean percentage of
slash pines attacked by pine webworms and tip moths in selected plantations of
the ...
Gerard D. Hertel, Daniel M. Benjamin, Southeastern Forest Experiment Station (Asheville, N.C.), 1975
2
Encyclopedia of Entomology
Among the more common sod webworm species that attack turf- grasses in the
northern U.S. are the bluegrass web- worm, Parapediasia teterrella (Zincken); the
larger sod webworm, Pediasia trisecta (Walker); and the western lawn moth, ...
3
Pests of the Garden and Small Farm: A Grower's Guide to ...
Garden Web worm Achyra rantalis Beet Webworm Loxostege sticticalis Crops
attacked: The garden webworm attacks beets, beans, corn, strawberries, peas,
and other crops. The beet webworm is a general feeder attacking beets, cabbage
, ...
4
Pests of Field Crops and Pastures: Identification and Control
Distribution: The Beet webworm is a cosmopolitan pest of tropical and subtropical
regions, but in more recent times has been reported from more temperate
countries including Belgium and Denmark. It is found throughout Australia but is
most ...
5
Biological Control Programmes in Canada 2001-2012
Asaro, C. and Allen, D.C. (2001) History of a pine false webworm (Hymenoptera:
Pamphiliidae) outbreak in northern New York. Canadian Journal ofForest
Research 31, 181–185. Kenis, M. and Kloosterman, K. (2001) European
parasitoids of ...
Peter G Mason, David R Gillespie, 2013
6
Handbook of Vegetable Pests
Hawaiian Beet Webworm Spoladea recurvalis (Fabricius) Spotted Beet
Webworm Hymenia perspectalis (Hiibner) Southern Beet Webworm
Herpetogramma bipunctalis (Fabricius) (Lepidoptera: Pyralidae) Natural History
Distribution.
7
Texas Bug Book: The Good, the Bad, and the Ugly
This is a shame, because with just a little study and understanding of nature, the
webworm need not be a pest. The webworm has many natural enemies, among
them certain birds, but most of its enemies are in the insect world. Wasps are ...
Howard Garrett, C. Malcolm Beck, 2005
8
Handbook of Integrated Pest Management for Turf and Ornamentals
Sod Webworm Description The moths. 13 to 19 mm long, have a wingspan of
about 1 5 to 35 mm. They have a prominent forward projection (labial palps) on
the head. The fore- wings are brown or dull ash gray, with a whitish streak from
the ...
9
Garden Insects of North America: The Ultimate Guide to ...
Larger Sod Webworm (Pediasia trisecta) Hosts: Primarily bluegrass, but ryegrass
and fescues may be eaten. Damage: Larvae chew grass blades, producing
thinning of lawns with a ragged appearance. Severely pruned plants may be
killed.
10
Pathogens and microbial control of North American forest ...
Simultaneous infections by an NPV and a microsporidium were studied in larvae
of fall webworm. Total mortality in treatments with the virus, Nosema sp., and a
combination of virus plus Nosema sp. was 97%, 21%, and 70%, respectively ...
James R. Fuxa, Ramesh Ayyappath, Richard A. Goyer, 1998
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Simply Trees: Fall webworms are already beginning their work
It's not too early to look for fall webworm. The large, unsightly webbed nests constructed by fall webworm are usually noticed in August and September, but this ... «Lincoln Journal Star, 七月 15»
A New Wasp Parasitoid of the Fall Webworm
Researchers in China have discovered a new wasp species that may possibly be used to control fall webworm (Hyphantria cunea), an invasive pest that causes ... «Entomology Today, 七月 15»
Pine false webworms are active in Scots pine
Presently, we are finding large numbers of pine false webworms, Acantholyda erythrocephala (Hymenoptera: Pamphiliidae) in Scots pine fields in Michigan's ... «Michigan State University Extension, 六月 15»
Sod webworm a culprit in lawn degradation
Sod webworm larva emerge from their protective silky burrows at night to feed. ... Sod webworms are the larval form of small (0.5 - 0.75 inches) brownish-white ... «The Battlefords News-Optimist, 十二月 14»
Sod webworms may be lurking in your lawn
At this time of year you may find yourself asking, “What's eating my lawn?” Does your grass look ragged in areas, as if someone randomly used a weed-eater ... «Tallahassee Democrat, 九月 14»
Pesky webworms discovered on Mississippi island
A recent discovery by the U.S. Army Corps of Engineers confirms that a population of fall webworms have returned to an island along the Mississippi River near ... «KARE, 九月 14»
Fall webworms munch away on Santa Fe's trees
ALBUQUERQUE, N.M. — Have you noticed a bunch of spidery webs clinging to the branches of your hardwoods lately? It appears the fall webworm is ... «Albuquerque Journal, 九月 14»
Take a closer look at fall webworms
The webworm is not a worm at all, but the larva or caterpillar stage of a type of tiger moth. The caterpillars build communal “tents” over the leaves on which they ... «Concord Monitor, 九月 14»
Webworms take over trees in NE Albuquerque neighborhood
The City of Albuquerque says that although the web looks like it's doing damage to the trees, the webworms are actually a non-issue from a tree-health ... «KOB.com, 八月 14»
Prepare for the fall webworm
The fall webworm, a common native caterpillar, occurs throughout the United States and ... The fall webworm has one of the widest host ranges of any caterpillar. «Columbia County News Times, 八月 14»
