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Outbreak of erythrina gall wasp (Hymenoptera: Eulophidae) on Erythrina spp. (Fabaceae) in Taiwan
The symptoms, the distribution of infested coral trees in Taiwan, identification characteristics of the galler, and pest control suggestions are reported.
Pest Alert-a Newly Discovered Invasion of Gall-forming Wasps, Leptocybe invasa (Fisher & La Salle), on Eucalyptus Trees in Taiwan
- G. Tung
- Environmental Science
- 1 September 2010
A newly found invasion of gall-making Hymenoptera, Leptocybe invasa Fisher & La Salle, that damages Eucalyptus trees is reported here. Since 2000, this wasp has spread throughout most countries of…
Diversity, Biology, and Nutritional Adaptation of Psyllids and their Galls in Taiwan
The psyllid species Trioza shuiliensis which induce globular galls on the leaves of Machilus japonica var.
Description and ecological traits of a new species of Pitydiplosis (Diptera: Cecidomyiidae) that induces leaf galls on Pueraria (Fabaceae) in East Asia, with a possible diversification scenario of…
DNA sequencing data indicate the existence of three genetically different intraspecific groups that induces galls on Pueraria montana on the Yaeyama Islands, Japan and in northern Taiwan, and a possible diversification scenario of the three groups is hypothesized based on DNA sequencing data and geohistorical information.
Description of a new and redescriptions of two known species of Torymus (Hymenoptera: Torymidae) in Taiwan with a key to Taiwanese species
This is the first record of Torymidae associated with gall midges on Lauraceae and Theaceae, and a key to species of Torymus known in Taiwan are provided.
Observation on the Epidermal Stomata of a Cup-Like Gall of Litsea acuminata (Lauraceae)
- Man‐Miao Yang, Meng-Yuan Huang, W. Jane, G. Tung, Yung-Ta Chang, Chi-Ming Yang
- Materials Science
- 1 December 2008
Scanning electronic microscopy was used to observe the morphology and structure of the epidermis of a cup-like gall of Litsea acuminata (Bl.) Kurata leaf and it is unknown whether or not the tunnel-like network plays any role in the function of air exchange for photosynthesis or insect breath.
Genetic Differentiation of the Eulophid wasp Quadrastichus erythrinae Kim (Hymenoptera: Eulophidae) from Various Erythrina Hosts Based on Mitochondrial and Nuclear Genes
It is evident that all these pests from these countries came from the same monomorphic genotype which quickly and widely spread to other areas.
The Erythrina Gall Wasp Quadrastichus erythrinae (Insecta: Hymenoptera: Eulophidae): Invasion History, Ecology, Infestation and Management
This article consolidates and summarize the information on the distribution, invasion route, ecology, infestation level, and management of Q. erythrinae populations in the last two decades and analyze the challenges in their management.
Quadrastichus erythrinae (Erythrina gall wasp).
- G. Tung
- 7 June 2021
Abstract Unusual growths, caused by Erythrina gall wasp (Quadrastichus erythrinae), on leaves and young shoots of coral trees (Erythrina spp). alerts to the presence of this emerging invasive…