Shown here: gall on Blackthorn. Preferred host: Pink Campion and connected species.
Wingless adults have a solidly-black shiny abdomen nymphs are reddish-brown. Shown below: wingless grownups and nymphs. Preferred host: Cabbages or other brassicas.
Wingless older people are environmentally friendly, powdered-grey. Winded adults have dots down the facet and bands across the stomach. Important Brassica pest:Shown listed here: Winged grownup and nymphs on Brussels sprouts.
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Winter host: Willow species, primarily Crack Willow and White Willow. Summertime host: Carrots, Fennel and some wild Umbellifers. Wingless grownups are greenish or reddish.
A carrot, parsnip and celery pest. Shown below: wingless grownups and nymphs. Winter host: Willow species.
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Summer season hosts: Hogweed, Angelica, Wild Parsnip. Wingless adults are light-weight shiny inexperienced. May be a pest of Parsnips, Carrots and Celery.
Shown here: wingless older people and nymphs. Preferred host: Poplar species, primarily Aspen and White Poplar. Wingless adults are generally shiny darkish environmentally friendly to black.
Winged grownups are dim environmentally friendly to black with broad brown bands across the abdomen. Their nymphs are green or reddish-brown. Nearly generally vigorously ant-defended. Not typically thought of a pest.
Shown right here: wingless grownups and nymphs on Aspen. Wingless adults are darkish greyish-brown to reddish brown, commonly with a greyish ‘bloom’. The abdomen has numerous dim places and hairs. Can be a pest: May perhaps significantly damage Larch in urban regions. Shown in this article: adult and nymph on Larch. Wingless grownups are grey or greyish-environmentally friendly with black markings, a slight bronze iridescence or a grey dusting.
The stomach has standard greyish places with prominent black siphuncular cones. Can be greatly ant-attended. Not usually considered a pest: Infestations advantage https://plantidentification.co/ honey producers. Shown right here: maturing nymphs on Scots pine.
Preferred host: White Lifeless Nettle, and at times connected species. Wingless adults are pale greenish with a eco-friendly stripe along the ‘spine’, or yellowish with a little greenish transverse stripes. They may well appear furry. Shown below: nymphs and wingless grownup. Wingless grownups are frequently yellowish, but may possibly be pale eco-friendly to whitish (usually with a greenish stripe alongside the ‘spine’). Cause leaf galls, red on the underside. Can be a significant currant-bush pest. Shown in this article: wingless older people and nymphs with wing-buds. Preferred hosts: Sycamore and some maple species, or once in a while on other plants. Wingless older people have yellow-brown head and thorax with darker brown markings, and a pale green stomach with or with no variably developed dim cross-bars. On leaf underside. Not ant-attended: Predated by wooden ants. Can be a serious pest to those people who park their vehicles under sycamore trees. Shown right here: winged adults on Sycamore. Wingless older people are purplish-olive-environmentally friendly to mauve and coated with a whitish powdering. Apple pest: Leads to crumpled leaves, stunted shoots and fruits. Shown below: ant-attended wingless adults and nymphs on Apple. Preferred hosts: Sitka and Norway Spruce, and occasionally Fir. Wingless adults are pale environmentally friendly, with two darker-eco-friendly longitudinal stripes. Can be a serious forestry pest due to defoliation. Shown below: wingless adult and nymphs on Norway spruce. All grownups are winged and are pale yellow with black lateral stripes on head and ‘shoulders’ and two rows of black dorsal belly places. The forewing has a darkish entrance edge and dim spots at the suggestions of the veins. The abdominal places are prominent on the nymphs. On leaf undersides.