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Useful english dictionary. 2012.
spruce sawfly — any of several sawflies of the family Diprionidae, esp. Diprion hercyniae (European spruce sawfly), the larvae of which feed on the foliage of spruce. * * * … Universalium
European spruce sawfly. — See under spruce sawfly. * * * … Universalium
European spruce sawfly. — See under spruce sawfly … Useful english dictionary
european spruce sawfly — noun Usage: usually capitalized E : a sawfly (Diprion hercyniae) native to Europe but introduced into Canada and the northern United States the larva of which seriously defoliates spruce … Useful english dictionary
yellow-headed spruce sawfly — noun : a No. American sawfly (Pikonema alaskensis) that often defoliates spruce in eastern Canada and the northeastern United States … Useful english dictionary
hymenopteran — /huy meuh nop teuhr euhn/, adj. 1. hymenopterous. n. 2. Also, hymenopter. a hymenopterous insect. [1875 80; HYMENOPTER + AN] * * * ▪ insect Introduction any member of the third largest and perhaps the most beneficial to humans of all insect… … Universalium
List of introduced species — A complete List of introduced species for even quite small areas of the world would be dauntingly long. Humans have introduced more different species to new environments than any single document can hope to record. The following list of… … Wikipedia
insect — insectival /in sek tuy veuhl/, adj. /in sekt/, n. 1. any animal of the class Insecta, comprising small, air breathing arthropods having the body divided into three parts (head, thorax, and abdomen), and having three pairs of legs and usually two… … Universalium
Scientific research in Canada — This article outlines the history of natural scientific research in Canada including, mathematics, physics, astronomy, space science, geology, oceanography, chemistry, biology, medical research and psychology. The social sciences are not treated… … Wikipedia
Natural scientific research in Canada — This article outlines the history of natural scientific research in Canada, including mathematics, physics, astronomy, space science, geology, oceanography, chemistry, biology, medical research and psychology. The social sciences are not treated… … Wikipedia
