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这两种算中性，一般没啥危害
https://www.agric.wa.gov.au/pest-insects/portuguese-millipedes
They do not breed inside houses, and once inside a house will probably die. Millipedes can occasionally damage horticultural crops such as melons, strawberries, tomatoes and potatoes, yet in small numbers they do no harm. No damage to broadacre crops has been reported.
https://cesaraustralia.com/pestn ... e-porcellio-scaber/
Crops attacked
Slaters are omnivores or scavengers and feed upon decaying vegetable matter and associated fungi and also on animal matter. They form an important link in the food chain by recycling dead and decaying matter. Slaters can cause significant feeding damage, particularly on canola seedlings, leading to seedling mortality and stunted plant growth. In south-eastern Australia, slaters have also caused damage to wheat, oats, lentils and pastures.
Damage
Although the reported incidence of slater damage to crops has grown in recent years, feeding damage on emerging crop seedlings is still relatively rare. When it does occur, slater feeding on plants results in an uneven rasping-type damage that can appear similar to slug and snail damage. They can chew the tops of emerging cotyledons or leaves of crop seedlings, leaving only the seedling stumps. Other damage includes ring-barking of stems and young branches. However, the presence of slaters in a paddock, even in high numbers, does not always mean crop damage will occur because the slaters will generally be feeding on decaying organic matter. It is not known what makes slaters suddenly shift from eating organic matter to seedlings.
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【小白鼠到大白鼠的试验之路】 完结 (2009-11-4) 魔头 
发表于 2022-7-20 11:36
