Study of the insects of upland pastures
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Studies of the insects of permanent pasture land have been much less extensive than those of rotational crops. This is largely due to the fact that on average, major pest outbreaks are much less liable to cause severe losses in the relatively stable environment of grassland than in the more changeable conditions of arable fields. There has, to my knowledge, been no continuous record kept for a year or more of the occurrence of insects of permanent pasture land in south east Scotland and records of similar work in other parts of the world are not very extensive. In view of the great and increasing importance of grass in Scottish agriculture (out of a total of 15,344*266 acres of agricultural land no less than 13,733*434 acres are under grass) and it is considered desirable that a better knowledge of pasture insects as a whole should be obtained.