aphid colony is breeding on lathyrus pratensis plant. green aphids and yellow flower

aphid biodiversity europe fabaceae lathyrus pratensis molinioarrhenatheretea papilionaceous flower pest poland animals biology bloom blooming botany breeding ecology flora flovering green greenfly habitat inflorescence insect journey leaf legume life meadow pea nature nectar source perrenial pistil plant plants stipules vegetation wing yellow zoology colony stem aphids generations pest pratensis peavine blooms summer