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The Cinara pruinosa alate (see third picture above) is brown or green with a pattern of white wax spots down the midline and along the sides of the dorsum. Cinara pruinosa oviparae are somewhat smaller than the viviparae and have a pericaudal wax ring (see picture below in life cycle section).
Green spruce aphid (Elatobium abietinum) is an important defoliating pest of spruce trees (trees in the Picea genus), especially Sitka spruce (Picea sitchensis), which is widely grown in...
The spruce shoot aphid may be found on the young growth of many different spruce species including Norwegian spruce (Picea abies) and Sitka spruce (Picea sitchensis). It may also colonise western hemlock ( Tsuga heterophylla ).
Cinara aphids are sap-feeding insects that primarily infest coniferous trees, such as pine and spruce, posing risks to their health and growth. Cinara aphids are a genus of aphids that belong to the family Aphididae. The aphids in this genus are large and are commonly known as the giant conifer aphids or large bark aphids.
5 dni temu · When inspecting your spruce, look for specific signs: Aphids: Curled leaves and the presence of ants are telltale signs. Mealybugs: Cotton-like clusters and a sticky film on leaves indicate their presence. By familiarizing yourself with these visual cues, you can quickly identify and address pest issues before they escalate.
Cinara pilicornis, the spruce shoot aphid or brown spruce shoot aphid, is an aphid species in the genus Cinara found on Norway spruce (Picea abies) and Sitka spruce (Picea sitchensis). It is a quite large aphid species with a plump, dull brown body.
20 sty 2009 · We studied whether the mutualism between wood ants and Cinara aphids affects the growth of boreal Norway spruces (Picea abies L. Karst.) in stands of different ages.
