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greater black spruce bark aphid (Cinara piceae) Identification, biology, distribution, host plants, natural enemies, damage caused. Creative commons images.
- Cinara pruinosa|Read More
Cinara pruinosa occurs in small colonies on the woody twigs...
- Cinara pruinosa|Read More
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 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.
Cinara hottesi feeds on several species of spruce, especially white spruce (Picea glauca) and black spruce (Picea mariana). It forms large colonies on the trunks of spruce trees (see second picture top).
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.
1 gru 2011 · Three aphid species, Cinara pruinosa (Hartig), Acyrthosiphon lactucae (Passerini) and Coloradoa bournieri (Remaudière & Leclant) are recorded for the first time in South America from specimens caught in the Argentinean Patagonia.
Name and Description—Cinara spp. [Homoptera: Aphidae] Giant conifer aphids are soft-bodied, generally gregarious insects that are often found in large groups. They have piercing-sucking mouth parts that are used to feed on the sap in twigs, branches, trunks, and roots.
