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They are commonly induced by nematodes and mites, and sometimes by insects (such as Thysanoptera, Hemiptera: Aphididae and Hemiptera: Adelgidae) (Table 1).

Feeding and Other Gall Facets: Patterns and Determinants in Gall Structure

Trunk injection of imidacloprid was conducted using the Mauget system on Eastern hemlocks, Tsuga canadensis (L.) Carriere (Pinales: Pinaceae), to determine its effectiveness on the hemlock woolly adelgid, Adelges tsugae Annand (Aphidomorpha: Adelgidae) (Eisenback et al.

Trunk injection of systemic insecticides to control stem and leaf gall wasps, Josephiella species (Hymenoptera: Agaonidae), on Chinese banyan (Rosales: Moraceae) in Hawaii

Evolution of host specialization in the Adelgidae (Insecta: Hemiptera) inferred from molecular phylogenetics.

Genetic Relationships Between Tribolium castaneum and T. confusum Based on Mitochondrial DNA Sequences

Sasajiscymnus tsugae (Coleoptera: Coccinellidae) has been reared as a predator that specifically targets the Hemlock Woolly Adelgid (HWA, Hemiptera: Adelgidae: Adelges tsugae), a very destructive pest of the Eastern and Carolina Hemlock.

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The tree crown distribution of hemlock woolly adelgid, Adelges tsugae (Hem., Adelgidae) from randomized branch sampling.

Insectos chupadores in Caryocar brasiliense (Caryocaraceae) en el Cerrado (Brasil). (Seccion Basica: Articulos de investigacion)

Balsam woolly adelgid, Adelges piceae (Ratzeburg) (Hemiptera: Adelgidae), an insect native to the fir forests of central Europe, was introduced to the United States around 1900 and is considered a pest of native North American true firs [1].

Development of a dispersal model for balsam woolly adelgid, Adelges piceae ratzeburg (Hemiptera: Adelgidae), to facilitate landscape-level management planning

Oviposition, development, and feeding of Scymnus (Neopullus) sinuanodulus (Coleoptera: Coccinellidae): a predator of Adelges tsugae (Homoptera: Adelgidae).

Biological aspects of Eriopis connexa (Germar) (Coleoptera: Coccinellidae) fed on different insect pests of maize (Zea mays L.) and sorghum [Sorghum bicolor L. (Moench.)]/Aspectos biologicos de Eriopis connexa (Germar) (Coleoptera: Coccinellidae) alimentada com diferentes insetos-praga de milho (Zea mays L.) e sorgo [Sorghum bicolor L. (Moench.)]

Evidence of a polymorphic life cycle in the hemlock woolly adelgid, Adelges tsugae Annand (Homoptera: Adelgidae).

Eastern hemlock decline and persistence of disjunct populations near its southern boundary

Life history and development of Pseudoscymnus tsugae (Coleoptera: Coccinellidae), a new predator of the hemlock woolly adelgid (Homoptera: Adelgidae).

Invasion of the hemlock woolly adelgid on eastern hemlock in the Great Smoky Mountains National Park

coloradensis (Gillette) (Homoptera: Adelgidae) on red pine.

FEEDING-INDUCED CHANGES IN PLANT QUALITY MEDIATE INTERSPECIFIC COMPETITION BETWEEN SAP-FEEDING HERBIVORES

Density-dependent feedback and population cycles in Adelges tsugae (Homoptera: Adelgidae) on Tsuga canadensis.

Habitat use by porcupines (Erethizon dorsatum) in central Massachusetts: effects of topography and forest composition