Chaitophorus (genus)
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a colony of Chaitophorus ramicola on Salix caprea, attended by the ant Lasius fuliginosus (click on image to enlarge it)
Author(s): Marco de Haas
Source: Wikimedia Commons
Author(s): Marco de Haas
Source: Wikimedia Commons
Chaitophorus Koch, 1854
This genus of aphids is widely distributed, especially in temperate Palaearctic and Nearctic regions. It includes around 100 species, which infest mainly trees like Populus, Salix or Acer. They have a holocyclic life cycle with parthenogenetical and sexual forms, but do not change hosts as part of their life cycle (monoecious).
The wingless forms are covered with hairs and have short siphunculi. The wings of sexual adults are crossed by dark bands that line the veins. The colouration can be quite variable for a given species, even within the same colony.
Currently, the following species have been entered into the system:
