Hawaiian Ecosystems at Risk project (HEAR)

Erythrina variegata
(Fabaceae)

 
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Species description or overview Taxonomy & nomenclature Impacts Risk assessments Pests of this species
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Species description or overview

Traditional tree Erythrina variegata View info about Adobe Acrobat PDF format
A coral tree overview is provided by the Traditional Tree Initiative's species profiles for Pacific Island Agroforestry (www.traditionaltree.org).

Erythrina variegata information from "Common forest trees of Hawaii" View info about Adobe Acrobat PDF format
Information about Erythrina variegata is presented with respect to this species being a forest tree in Hawaii. The information on this site is from the U.S. Department of Agriculture's (USDA's) 1989 publication by Little and Skolmen entitled "Common forest trees of Hawaii (native and introduced)."


Taxonomy & nomenclature

GRIN nomenclature info for Erythrina variegata
Nomenclatural information about Erythrina variegata is provided by USDA/ARS/NGRP/GRIN.

Erythrina variegata information from ITIS
The Integrated Taxonomic Information System ITIS provides authoritative taxonomic information on Erythrina variegata, as well as other plants, animals, fungi, and microbes of North America and the world.

IPNI nomenclature info for Erythrina variegata
Nomenclatural information about Erythrina variegata is provided by The International Plant Names Index (IPNI).


Impacts

Erythrina variegata (Fabaceae): species information from GCW
Information on Erythrina variegata as relevant to Pacific Islands is provided by the Global Compendium of Weeds (GCW).


Risk assessments

Erythrina variegata weed risk assessment for Hawaii-Pacific
Results of a weed risk assessment for Erythrina variegata for the Hawaii-Pacific region are presented by the Hawaii-Pacific Weed Risk Assessment team.


Pests of this species

HDOA releases biocontrol insect to control gall wasp
The release of the parasite Eurytoma erythrinae to control the erythrina gall wasp is announced by the Hawaii Department of Agriculture. An overview of the process is presented (11/25/2008).

Tree failure by suspected Erythrina gall wasps
An Erythrina variegata tree's fallen branch lead observers in China to suspect damage from the Erythrina gall wasp, which is prevalent in China and south Asia.

Wasp swap: a relief for wiliwili?
"Researchers have identified a predatory wasp in Africa that may be the solution to the gall wasp infestation that has wreaked havoc on Hawaii's wiliwili trees. If further testing confirms that it would be safe to introduce the predator, that could come as soon as September."

Management of the invasive Erythrina gall wasp, Quadrastichus erythrinae Kim (Hymenoptera: Eulophidae) on native and landscape Erythrina View info about Adobe Acrobat PDF format
Chemical methods for controlling the Erythrina gall wasp are summarized in this final research report from University of Hawaii entomologist Arnold H. Hara (2007)

Update on control of the Erythrina gall wasp View info about Adobe Acrobat PDF format
Chemical and biological management of the Erythrina gall wasp and alternative species for landscape are reviewed in this presentation from the University of Hawaii (2008).

Wiliwili preservation at the D.T. Fleming Arboretum at Puu Mahoe, Maui
Native wiliwili (Erythrina sandwicensis) trees are protected from the Erythrina gall wasp by regular injections of the pesticide "Merit".

Quadrastichus erythrinae (Eulophidae): species information from HEAR
Categorized information about Quadrastichus erythrinae (Eulophidae) is presented by the Hawaiian Ecosystems at Risk project (HEAR).


Images

Images of erythrina gall wasp (EGW) (Quadrastichus erythrinae)
Images of erythrina gall wasp (EGW) (Quadrastichus erythrinae) and damage it causes are presented here.


Books

Turning the tide: The eradication of invasive species (proceedings of the International Conference on Eradication of Island Invasives)
Veitch, C.R. and M.N. Clout (eds.) . 2002. Turning the tide: The eradication of invasive species (proceedings of the International Conference on Eradication of Island Invasives). IUCN SSC Invasive Species Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK. vii + 414pp. ISBN: 2-8317-0682-3.

Hawaii's butterflies & moths: an identification guide to easily observed species
Jamieson, Dean and Jim Denny. 2001. Hawaii's butterflies & moths: an identification guide to easily observed species. A Hawaii Biological Survey Handbook. Mutual Publishing.


In the news

HDOA releases biocontrol insect to control gall wasp
The release of the parasite Eurytoma erythrinae to control the erythrina gall wasp is announced by the Hawaii Department of Agriculture. An overview of the process is presented (11/25/2008).

Tree failure by suspected Erythrina gall wasps
An Erythrina variegata tree's fallen branch lead observers in China to suspect damage from the Erythrina gall wasp, which is prevalent in China and south Asia.


Full-text articles

Alien plant invasions in native ecosystems of Hawaii: Management and research
Stone, Charles P., Clifford W. Smith, and J. Timothy Tunison (eds.) . 1992. Alien plant invasions in native ecosystems of Hawaii: Management and research. Honolulu: University of Hawaii Cooperative National Park Resources Studies Unit. ISBN: 0-8248-1474-6.

Turning the tide: The eradication of invasive species (proceedings of the International Conference on Eradication of Island Invasives)
Veitch, C.R. and M.N. Clout (eds.) . 2002. Turning the tide: The eradication of invasive species (proceedings of the International Conference on Eradication of Island Invasives). IUCN SSC Invasive Species Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK. vii + 414pp. ISBN: 2-8317-0682-3.

Annotated Checklist of the Vascular Plants on Midway Atoll, Hawaii.
Starr, F., K. Starr, and Loope L. 2006. Annotated Checklist of the Vascular Plants on Midway Atoll, Hawaii. An addendum to the 1999 Botanical Survey of Midway Atoll.

Botanical survey of Midway Atoll
Starr, F. and K. Martz. 1999. Botanical survey of Midway Atoll. In: 1995-1999 Baseline Surveys for Alien Species in Marine and Terrestrial Habitats on Midway Atoll National Wildlife Refuge. U.S. Fish and Wildlife Service, Honolulu, Hawaii.


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The Hawaiian Ecosystems at Risk (HEAR) project was historically funded by the Pacific Basin Information Node (PBIN) of the National Biological Information Infrastructure (NBII) through PIERC (USGS) with support from HCSU (UH Hilo). More details are available online. Pacific Basin Information Node (PBIN) National Biological Information Infrastructure (NBII)

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