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Brachycaudus helichrysi is a species of aphid first described by the German naturalist Johann Heinrich Kaltenbach in 1843. [3] Its common names include leaf curl plum aphid, [4] and leaf-curling plum aphid, and it is a serious pest of plum and damson trees. [5] [6]
Hyalopterus pruni, the mealy plum aphid, is an aphid in the superfamily Aphidoidea in the order Hemiptera. It is a true bug and sucks sap from plants. It is a true bug and sucks sap from plants. Distribution
Several species of aphid transmit the virus including the plum-thistle aphid (Brachycaudus cardui), [8] the plum leaf curl aphid (Brachycaudus helichrysi) and the green peach aphid (Myzus persicae). [9] Winged aphids can transmit plum pox within an orchard, and over short distances (200–300 meters) to trees in nearby orchards.
Brachycaudus cardui is a species of aphid, commonly known as the thistle aphid or the plum-thistle aphid. It infests trees in the genus Prunus in the spring and autumn, and mostly plants in the aster family in the summer.
There are many trees that are hosts to aphids and scale insects that produce honeydew Honeydew sources ... Plum: Prunus domestica Peach: Prunus persica Pear:
Thus on trees the leaves are most suitable for aphids in spring and autumn. The differences in within-year population dynamics of aphids are due to differences in the effect these seasonal fluctuations in host plant quality have on the per capita rate of increase and intraspecific competition in each species.
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]
Woolly Aphids on Apple tree branch. Many aphid species are monophagous (that is, they feed on only one plant species). Others, like the green peach aphid, feed on hundreds of plant species across many families. About 10% of species feed on different plants at different times of the year. [32]