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- McClure, Mark S.
- Ecology 1980 v.61 no.1 pp. 72-79
- Fiorinia externa; biomass; farms; forests; greenhouse experimentation; host preferences; hosts; interspecific variation; leaves; mortality; nitrogen; nitrogen content; nymphs; phenology; progeny; trees; water content; Connecticut
- ... The success of elongate hemlock scale, Fiorinia externa Ferris (Homoptera: Diaspididae) varied significantly on 14 of its coniferous host species and on Eastern hemlocks supporting different scale densities. An important factor determining host suitability was the concentration of nitrogen in the young foliage available to nymphs during their development. Nymphs residing on hosts whose foliage pro ...