Western hemlock looper - Province of British Columbia
2024年1月29日 — The western hemlock looper is a native defoliator of western hemlock, western redcedar, interior spruce and Douglas-fir. Life cycle Larvae hatch in the spring and feed lightly during May, June and early July, then heavily from the middle of July to October.
Western hemlock looper management - Province of British …
2024年1月29日 — Defoliators such as Budworm, Moths and Hemlock Looper are pests that damage forests. Come to this page to learn how the Western Hemlock Looper is Managed.
Western hemlock looper - NRCan
Lateral view of mature larva on western hemlock. British Columbia. Hemlock looper damage usually occurs in mature stands where severe defoliation can result in growth reduction, top-kill and tree mortality. This species overwinters as eggs laid on moss, lichens or bark. Eggs hatch from May to early June.
Popular North Vancouver park losing trees due to looper moth ...
2022年12月19日 — Trees damaged by an infestation of hungry moths in a popular area of North Vancouver are on the chopping block. Looper moths have been feasting on western hemlocks in Lynn Headwaters Regional...
'Significant' looper moth outbreak threatens North Shore trees
2020年9月10日 — Foresters say the population of Western hemlock looper moths, which are native to B.C., have surged in areas around the Capilano Watershed, including Upper Lynn Valley and parts of Mount...
Stanley Park forest management | City of Vancouver
The hemlock looper moth is an endemic insect that experiences population outbreaks approximately every 15 years. Its larvae hatch in the spring and aggressively feed on foliage, causing the most damage between July and October.
Infestation of looper moths stresses North Shore trees for third …
2021年7月17日 — An infestation of hungry moths has returned to Metro Vancouver for the third straight year, threatening to defoliate coniferous trees already stressed from drought conditions.
The western hemlock looper is periodically destructive in coastal and interior forests, reaching outbreak proportions every 11 and 20-plus years, respectively. Outbreaks usually last about three years, after which they are generally brought under control by …
Swarms of western hemlock looper moths invade parts of B.C.
2020年9月10日 — Parts of B.C. are seeing an infestation of the western hemlock looper moths this year, with thousands more of the insects than normal flying around.
Since 2019, the forested areas in Stanley Park have been increasingly impacted by an outbreak of western hemlock looper (Lambdina fiscellaria) (looper) which is a defoliating insect.