Zobrazeno 1 - 10
of 27
pro vyhledávání: '"William E. Wallner"'
Publikováno v:
Journal of Economic Entomology. 88:337-342
In field studies in the Russian Far East, five types of illuminating devices were evaluated for attracting adult gypsy moth, Lymantria dispar (L.), pink gypsy moth, L. mathura Moore, and nun moth, L. monacha (L.). Our objective was to determine if li
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b5054cd0342553deab7637b7d7263454
https://doi.org/10.1093/jee/88.2.337
https://doi.org/10.1093/jee/88.2.337
Publikováno v:
Journal of Economic Entomology. 85:2329-2335
Feeding habits of Korscheltellus gracilis (Grote) were determined in the laboratory and field in Vermont. Gymnospenn and angiosperm seedlings and one fern were exposed to larvae. Significant reductions in root length or volume occurred in all three t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95c2813cbc0c6d276891e1ae75eb2c89
https://doi.org/10.1093/jee/85.6.2329
https://doi.org/10.1093/jee/85.6.2329
Publikováno v:
Environmental Entomology. 21:447-452
In 1983, large populations of Korscheltellus gracilis (Grote) were discovered in soil in the boreal zone of Camels Hump Mountain, Vt. A monitoring procedure was developed to evaluate population dynamics and abundance. The insect was most abundant at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7982dc92e39f85526673c062c18156dd
https://doi.org/10.1093/ee/21.3.447
https://doi.org/10.1093/ee/21.3.447
KORSCHELTELLUS GRACILIS (GROTE): A PEST OF RED SPRUCE AND BALSAM FIR ROOTS (LEPIDOPTERA: HEPIALIDAE)
Publikováno v:
The Canadian Entomologist. 123:255-263
Korscheltellus gracilis (Grote) is a pest of red spruce and balsam fir roots in the forests of the northeastern United States and southeastern Canada. The larvae feed below ground on woody and non-woody plant tissues for 2 years before maturing. It w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd8c6813ce5a5ca576b8dde8447f5f4e
https://doi.org/10.4039/ent123255-2
https://doi.org/10.4039/ent123255-2
Publikováno v:
Environmental Entomology. 13:1535-1541
In a 2-month expedition to Beijing and northeast People's Republic of China (PRC) to investigate natural enemies of the gypsy moth, Lymantria dispar (L.), much was learned about the pest itself. Its distribution is wide in the PRC but it is more abun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eca153400f1b17e6d20db793a56c5daa
https://doi.org/10.1093/ee/13.6.1535
https://doi.org/10.1093/ee/13.6.1535
Autor:
Robert A. Gregory, William E. Wallner
Publikováno v:
Canadian Journal of Botany. 57:403-407
The maple cambium miner, Phytobia setosa (Loew), attacks Acer spp., producing ray flecks which result in degrade in face veneer and furniture wood. Samples from infested sugar maple, Acer saccharum Marsh, trees demonstrated that while mines passed cl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d7a75d5445e5a56abf1a053c626ad96
https://doi.org/10.1139/b79-052
https://doi.org/10.1139/b79-052
Autor:
Robert A. Gregory, William E. Wallner
Publikováno v:
Canadian Journal of Forest Research. 10:312-315
Sap sugar levels were determined for 300 sugar maple, Acersaccharum Marsh, trees. The 10 trees highest and lowest in sap sugar were sacrificed and attempts were made to calculate abundance and size of parenchyma flecks caused by Phytobiasetosa (Loew)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::94436fe5e8bbc21d7b1b8b23fab7bf0f
https://doi.org/10.1139/x80-054
https://doi.org/10.1139/x80-054
Autor:
Thomas L. Ellis, William E. Wallner
Publikováno v:
Environmental Entomology. 5:183-186
Three ♂ German shepherds were trained to located disparlure treated objects and egg masses of gypsy moth, Porthetria dispar (L.). Field detection of egg masses on stones, wood and bark were made by utilizing the dogs in different searching patterns
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a01aee63f19e5be80327188132b0e7f
https://doi.org/10.1093/ee/5.1.183
https://doi.org/10.1093/ee/5.1.183
Publikováno v:
Annals of the Entomological Society of America. 82:717-724
Eggs of Korscheltellus gracilis (Grote) hatch after 16–19 d at 22°C in saturated atmospheres. Most larvae take 2 yr to mature, then pupate in elongate cocoons spun in forest floor litter in late May and June of the second year. Adults emerge about
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86af3097777dd970da40c1a1b21fd0c1
https://doi.org/10.1093/aesa/82.6.717
https://doi.org/10.1093/aesa/82.6.717