Their life cycle is simple since they are monoxenous organisms that sexually reproduce and eat within the feather of their hosts.
Females have harpoon finger-like digits in their chelicerae, three teeth in their hypostomal apex which is ornamented by 1 or 2 protuberances.
[1] Using RNA, Hendricks et al. determined that there is a degree a significant cophylogeny and cospeciation among Syringophilopsis species, however, it is not concrete.
For instance, depending on the species, these birds can transmit into the specific host via their primary, secondary, and tertiary feathers.
Quill mites specifically attach to their designated host via stabbing of the calamus wall with their anatomical feature called chelicerae.