Biology and Evolution of Adelgidae

The Adelgidae form a small clade of insects within the Aphidoidea (Hemiptera) that includes some of the most destructive introduced pest species threatening North American forest ecosystems. Despite their importance, little is known about their evolutionary history and their taxonomy remains unresol...

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Bibliographic Details
Published in:Annual review of entomology 2007-01, Vol.52 (1), p.325-349
Main Authors: Havill, N.P, Foottit, R.G
Format: Article
Language:English
Subjects:
Adelgidae
anholocycle
Animals
Aphidoidea
Aphids - microbiology
Aphids - physiology
Biological and medical sciences
Biological Evolution
cyclical parthenogenesis
evolution
Fundamental and applied biological sciences. Psychology
Genetics of eukaryotes. Biological and molecular evolution
Geography
Hemiptera
holocycle
host plants
Host-Parasite Interactions - physiology
insect behavior
insect biology
insect ecology
insect reproduction
insect taxonomy
Insecta
Invertebrates
life cycle (organisms)
Life Cycle Stages - physiology
Life cycle. Embryology. Development
literature reviews
parthenogenesis
phylogeny
Physiology. Development
plant-insect relations
Symbiosis - physiology
Trees - parasitology
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Summary:The Adelgidae form a small clade of insects within the Aphidoidea (Hemiptera) that includes some of the most destructive introduced pest species threatening North American forest ecosystems. Despite their importance, little is known about their evolutionary history and their taxonomy remains unresolved. Adelgids are cyclically parthenogenetic and exhibit multigeneration complex life cycles. They can be holocyclic, with a sexual generation and host alternation, or anholocyclic, entirely asexual and without host alternation. We discuss adelgid behavior and ecology, emphasizing plant-insect interactions, and we explore ways that the biogeographic history of their host plants may have affected adelgid phylogeny and evolution of adelgid life cycles. Finally, we highlight several areas in which additional research into speciation, population genetics, multitrophic interactions, and life-history evolution would improve our understanding of adelgid biology and evolution.
ISSN:0066-4170
1545-4487
DOI:10.1146/annurev.ento.52.110405.091303