Search results
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. It seems to have little effect on the tree.
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.
Cinara piceicola (Green-striped spruce aphid) Apterae of Cinara piceicola have a dark brown head and thorax and pale olive-buff abdomen. In life there are two longitudinal faint greyish-green dorsal stripes and a thin white wax stripe between them (see first picture below).
Cinara pruinosa occurs in small colonies on the woody twigs of Spruce ( Picea species) in spring, but later found at base of trunk and on roots in ant shelters. Oviparae and alate males occur in September-October, but anholocyclic overwintering on roots also occurs.
greater black spruce bark aphid (Cinara piceae) Identification, biology, distribution, host plants, natural enemies, damage caused. Creative commons images.
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.
17 paź 2003 · Spruce shoot aphid, Cinara pilicornis Hartig (Homoptera: Lachnidae), is an aphid species that has shown enhanced performance on trees exposed to SO2 or mixtures of air pollutants, whereas results with ozone have been contradictory.
