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Pemphigus betae, also known as the sugarbeet root aphid, is a species of gall-forming aphid that forms galls specifically on the commonly found narrowleaf cottonwood (aka the willow-leaved poplar tree), Populus angustifolia. Sugarbeet root aphids have been found in North America and Europe. [2]
Rhopalosiphum rufiabdominale, the rice root aphid or red rice root aphid, is a sap-sucking insect pest with a wide host range and a global distribution. [2] As a member of the superfamily Aphidoidea, it is one of 16 species of the genus Rhopalosiphum. [3] Adults and nymphs are soft-bodied and usually dark green with brown, red, or yellow tones. [4]
White oil is sold commercially as a petroleum oil-based organic pesticide, in both a concentrate, [3] [4] [5] and ready-to-use spray bottle or can. [6] [7]The term "horticultural oil" may be used to differentiate this petroleum oil-based product from homemade products using vegetable oil.
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Hyadaphis winged and wingless adults When wings are present they occur only on particular morphs called " alates ", and wingless morphs are said to be " apterous ". The forewing ( mesothoracic wing) of the alate in the Aphididae has four to six veins attached to a major vein-like structure that has been interpreted as the combined stems of all ...
Excessive heat kills the symbiotic bacteria that some aphids depend on, which makes the aphids infertile. [96] Rain prevents winged aphids from dispersing, and knocks aphids off plants and thus kills them from the impact or by starvation, [92] [97] [98] but cannot be relied on for aphid control. [99]
Rhopalosiphum maidis, common names corn leaf aphid and corn aphid, is an insect, and a pest of maize and other crops.It has a nearly worldwide distribution and is typically found in agricultural fields, grasslands, and forest-grassland zones.
A certified entomologist lists fool-proof ways to get rid of stink bugs, from vacuuming up the common house pests to deterring them with garlic or mint.