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Why California’s Ancient Sequoia ‘Tunnel Tree’ Toppled

By | January 10th, 2017|Tree Failure News|

Visitors pose beneath Pioneer Cabin, a famous sequoia tree in California, in 1899. The opening in its trunk was large enough for a four-horse stage-coach to drive through. On Sunday, the tree was felled by winter weather. PHOTOGRAPH BY BENJAMIN LLOYD SINGLEY, THE NEW YORK PUBLIC LIBRARY

SOURCE: National Geographic

By Becky Little, 09/01/2017

An iconic living […]

Contractors abandon tree felling job after dramatic showdown with Lamma environmentalist

By | December 22nd, 2016|Hong Kong Tree News|

NEWS SOURCE: Hong Kong Free Press, 22/12/2016

A Lamma Island resident staged a dramatic protest against the felling of a tree in Sha Po New Village on Thursday, causing contractors to abandon the project as she refused to leave the scene.

The district councillor for the area has said the tree has to be chopped down […]

Arboriculture training advisory established in Hong Kong

By | December 22nd, 2016|Hong Kong Tree News|

The Arboriculture & Horticulture Industry Training Advisory Committee under the Qualifications Framework will be established tomorrow, the Education Bureau announced today.

Victor Man has been appointed as the chairperson of the committee. Twenty-two members have been appointed, comprising employers and representatives of trade associations, professional bodies and labour unions, and representatives of the Education Bureau and […]

Hong Kong to get new country park, protection for incense trees and horseshoe crabs

By | December 21st, 2016|Hong Kong Tree News|

Some 67 measures are included in a long-awaited blueprint on biological diversity and conservation in the city over the next five years.

Released yesterday, it also takes forward the designation of Robin’s Nest, near the border town of Sha Tau Kok, as the city’s 25th country park.

Furthermore, it proposes a threatened species list and pledges to […]

Perina nuda

By | December 19th, 2016|Trees & Insects|

Perina nuda, Banyan Tussock Moth

The insects are medium-sized moths.

Global distribution

Indian Subregion, Nepal, China, Japan (Wang et al., 1982a; Peng & Liu, 1992; Kishida, 1993d; Wang, 1993; page 350 Holloway, 1999). H.K. distribution: widespread. H.K. status: common in woodland, shrubland, also recorded in mangroves, reedbeds and grassland; multivoltine, […]

Anoplophora glabripennis

By | December 19th, 2016|Trees & Insects|

Anoplophora glabripennis, Asia longhorn beetle

Host and distribution

The most destructive non-native insect attacking US trees in the Asian longhorn beetle Anoplophora glabripennis. As with the closely related Citrus longhorn beetle (A. chinensis), A. glabripennis attacks a wide range of Asian, North American and European tree species (esp. maples, chestnuts, sycamores and poplars). Asian longhorn originated from China, […]

Bursaphelenchus xylophilus

By | December 19th, 2016|Trees & Diseases|

Bursaphelenchus xylophilus, pine wood nematode

Host and distribution

Pine wood nematode B. xylophilus is spread by Monochamus beetles and with the movement of infested live or sawn wood. B. xylophilus can live in the wood of all species of conifers other than Thuja, Tsuga and Taxus although North American pines in the nematodes’ natural distribution are not […]