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The grubs sometimes attack vegetables and other garden plants, e.g. lettuce, raspberries, strawberries, potatoes, and young ornamental trees. Injury to the roots and rootstock causes small saplings and tender tap-rooted plants like lettuce to wilt suddenly or to show stunted growth and a tendency to shed leaves prematurely.
The eggs hatch soon afterwards and in this larval or grub stage, they feed on the roots of grass and other plants. As the weather gets cooler and winter approaches, the grubs go deeper into the soil, and feeding declines as they over-winter. In August, when the grubs are close to the surface and feeding, they are vulnerable to infestation by ...
In late autumn and during winter, they retreat down from the top 5 cm of soil and burrow down between 50–200 mm into the soil. During this phase, the grubs undergo a colour change from grayish/white into a yellow/cream colour. Once they reach the appropriate depth, the grub empties its stomach and starts to form a smooth oval shaped cell.
Native plants and animals in Florida are threatened by the spread of invasive species. [2] Florida is a major biodiversity hotspot in North America and the hospitable sub-tropical climate has also become a hotspot for invasive plants and animals due to anthropogenic introduction. [3] [4]
A large lizard, known as the tegu, has started to take root in Tampa, Florida. But it's not supposed to be. The reptile, native to South America, has become a popular exotic pet amongst Floridians ...
Others (e.g. Mydas maculiventris) are subterranean and feed on "white grubs" (Scarabaeidae: genus Phyllophaga) that attack the roots of grasses and could be potential biocontrol agents of white grubs in sod production areas. Larvae typically take two or three years to mature.
In winter, eastern meadow voles consume green basal portions of grass plants, often hidden under snow. Other winter diet components include seeds, roots, and bulbs. They occasionally strip the bark from woody plants. Seeds and tubers are stored in nests and burrows. [8] [9] Evidence of coprophagy is sparse, but thought to occur. [9]
[6] [7] [8] In Sri Lanka, grubs have been observed to feed on the tap roots of the teak seedlings, and finally the damaged plants wilt and die. [9] Grubs also can be removed from the cultivation land by cultural practises such as ploughing, harrowing, hoeing, flooding and fallowing of fields, trap cropping and crop rotation.