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Although aphids cannot fly for most of their life cycle, they can escape predators and accidental ingestion by herbivores by dropping off the plant onto the ground. [103] Others species use the soil as a permanent protection, feeding on the vascular systems of roots and remaining underground all their lives.
Myzus persicae, known as the green peach aphid, greenfly, or the peach-potato aphid, [2] is a small green aphid belonging to the order Hemiptera. It is the most significant aphid pest of peach trees, causing decreased growth, shrivelling of the leaves and the death of various tissues.
Winged aphids can then colonize other host plants. Pea aphids also show hereditary body color variations of green or red/pink. The green morphs are generally more frequent in natural populations. [8] Acyrthosiphon pisum is a rather large aphid whose body can reach 4 millimetres (5 ⁄ 32 in) in adults. [8]
Aphis craccivora, variously known as the cowpea aphid, groundnut aphid or black legume aphid, is a true bug in the family Aphididae. [2] Originally of probable Palearctic origin, it is now an invasive species of cosmopolitan distribution .
Thus, aphids show very complex and rapidly changing within-year dynamics, with each clone going through several generations during the vegetative season and being made up of many individuals, which can be widely scattered in space. The survival of the eggs and/or overwintering aphids determines the numbers of aphids present the following spring ...
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Elatobium abietinum has an unusual life cycle and feeds solely on coniferous trees. Wingless adult females often continue feeding and producing young parthenogenetically throughout the winter. [3] In spring, winged aphids are produced and fly to other trees. [3] Young nymphs enter diapause during the summer, recommencing development in the ...
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]