Results 31 to 40 of about 139 (102)

Observed plant recovery of the endangered Cycas micronesica populations on the island of Guam: plant resistance or biocontrol [PDF]

open access: yesResearch Ideas and Outcomes
The island of Guam’s only gymnosperm and historically one of the island’s most abundant trees, Cycas micronesica, has been devastated by high mortality due primarily to the armoured scale Aulacaspis yasumatsui. This cycad-specific scale pest invaded Guam
Irene Terry, Thomas Marler
doaj   +3 more sources

South African Cycads at Risk:Aulacaspis yasumatsui(Hemiptera: Coccoidea: Diaspididae) in South Africa [PDF]

open access: yesAfrican Entomology, 2015
The scale insect Aulacaspis yasumatsui is native to Southeast Asia and a major pest of cycad (Cycadales) plants. Due to an increase in worldwide trading of cycads, A. yasumatsui has spread globally and has become a major threat to many cultivated and native cycads worldwide. In this study we report formally, for the first time, A.
Nesamari, R.   +3 more
openaire   +1 more source

Adventitious rooting of mature Cycas micronesica K.D. Hill (Cycadales: Cycadaceae) tree stems reveals moderate success for salvage of an endangered cycad

open access: yesJournal of Threatened Taxa, 2017
Mature Cycas micronesica trees were among the forest trees that were destined to be removed from a 2012 construction site in northern Guam.  Forty-nine of these trees were cut at the base and transported to nursery conditions to determine if adventitious
Thomas Edward Marler, Gil Naputi Cruz
doaj   +1 more source

Missouri Botanical Garden's cycad collection: A journey through time

open access: yesPlant Species Biology, Volume 40, Issue 6, Page 607-624, November 2025.
This article summarizes the history of the Missouri Botanical Garden's extensive cycad collection. Some of the specimens currently housed in the living collections date back well over 100 years. Cycads continue to face a myriad of threats in the wild, and their conservation in ex situ collections is of critical importance to assist in their survival ...
Benjamin E. Deloso   +3 more
wiley   +1 more source

Threats to cycad biocultural heritage in the Amami Islands, Japan

open access: yesPlant Species Biology, Volume 40, Issue 4, Page 292-310, July 2025.
The central point we seek to frame in this article is that the increasing infestations of cycad aulacaspis scale in the Amami guntō existentially threaten not only the islands' sotetsu but rather entire cultural systems and natural ecologies that have developed around these plants.
Joshua D. Englehardt   +4 more
wiley   +1 more source

THE CYCAD SCALE, AULACASPIS YASUMATSUI TAKAGI (HOMOPTERA: DIASPIDIDAE): A NEW INVASIVE PEST TO PUERTO RICO

open access: yesThe Journal of Agriculture of the University of Puerto Rico, 2008
THE CYCAD SCALE, AULACASPIS YASUMATSUI TAKAGI (HOMOPTERA: DIASPIDIDAE): A NEW INVASIVE PEST TO PUERTO ...
null Alejandro E. Segarra-Carmona   +1 more
openaire   +2 more sources

Cycas palmiyelerinin kaçak yolcusu; Aulacaspis yasumatsui Takagi (Hemiptera: Diaspididae)

open access: yesTürkiye Entomoloji Bülteni, 2015
Cycas palmiyesi dekoratif ve her dem yesil bir bitki olusu nedeniyle son yirmi yildir cok yaygin olarak kullanilan bir sus bitkisidir. Bir cok ulkede dis ve ic mekanlarda yetistirilmektedir. Bu bitkinin en onemli zararlisi Aulacaspis yasumatsui Takagi (Hemiptera: Diaspididae) olup, tum dunyaya konukcusuyla birlikte yayilan istilaci bir turdur.
openaire   +2 more sources

Vrste roda Aulacaspis Cockerell, 1836 (Hemiptera: Coccoidea: Diaspididae) u Hrvatskoj s naglaskom na Aulacaspis yasumatsui Takagi, 1977

open access: yesEntomologia Croatica, 2008
This paper deals with the scale insects Aulacaspis rosae (Bouché, 1833) and Aulacaspis yasumatsui Takagi, 1977 monitored during a four year faunistic investigation (2005-2008) of the genus Aulacaspis Cockerell, 1836 in Croatia. A. yasumatsui is a newly recorded species for Croatia and the fourth finding of this species in Europe.
Masten Milek, Tatjana   +2 more
openaire   +2 more sources

Primer reporte de Aulacaspis yasumatsui Takagi, 1977 (cochinilla de las cícadas) en Honduras

open access: yes, 2022
Aulacaspis yasumatsui representa un problema grave para la producción comercial de cícadas y especies endémicas de la región. Casi todas las cícadas están amenazadas o en peligro de extinción. De estas, sólo la familia Zamiaceae es endémica del neotrópico, seis especies en tres géneros son endémicas para Honduras, una catalogada como de menor ...
openaire   +1 more source

Manejo de Aulacaspis yasumatsui (Hemiptera: Diaspididae) mediante el uso de jabones comerciales en Costa Rica

open access: yesInterSedes, 2013
Se evaluó el efecto de seis jabones comerciales: Cristalin®, Brasso Antigrasa®, Barra Extra Verde®, Doña Blanca Barra®, Rinso® y Axión Limón® sobre las poblaciones de Aulacaspis yasumatsui. El número de ninfas I vivas fue significativamente menor cuando se utilizó Cristalin® que cuando se utilizó Rinso® y el testigo.
Blanco Metzler, Helga   +1 more
openaire   +4 more sources

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