Titlebook: Outlines of Entomology; R. G. Davies Book 1988 R.G. Davies 1988 entomology

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lethal

expeditious

毗鄰

The biology of insect populations,ations and the environmental factors that influence them are not only of intrinsic ecological and evolutionary interest, but are also needed to understand and control those pest populations which are injurious to man, crops and domesticated animals.

卷發(fā)

Biology and control of injurious insects, parts of their range or only occasionally reach levels of population density high enough to cause damage. Insects which are important pests under given forms of agricultural practice may become much less important when techniques of cultivation change, or may then be replaced by ‘new’ pests. These

outrage

Book 1988c;s well exemplified by the insects and should, I hope, appeal not only to, those already dedicated to entomology but also to others with more general biological interests. A completely new chapter on the biology of insect populations has also been added and may serve to indicate the debt which mode

直覺(jué)沒(méi)有

gical topic;s well exemplified by the insects and should, I hope, appeal not only to, those already dedicated to entomology but also to others with more general biological interests. A completely new chapter on the biology of insect populations has also been added and may serve to indicate the debt which mode978-94-017-0508-0

金哥占卜者

irst published in 1942. This went through three further editions without much change, but after the death of the original author a fifth, revised edition by Professor o. W. Richards and myself appeared in 1959 and a sixth in 1978. The book now appears in a considerably extended version in which I ha

聽(tīng)寫(xiě)

Book 1988shed in 1942. This went through three further editions without much change, but after the death of the original author a fifth, revised edition by Professor o. W. Richards and myself appeared in 1959 and a sixth in 1978. The book now appears in a considerably extended version in which I have tried t

cognizant

Classification and biology,y form a class, while classes are grouped on the basis of common fundamental characters into a phylum. Certain intermediate taxonomic categories are also adopted, the most widely used being the subfamily or group of genera forming a section of a family; the superfamily, or group of families smaller than an order; and the suborder.