Ozirhincus millefolii
(Wachtl, 1884)
A gall midge in the Cecidomyiidae. The name 'millefolii' indicates association with Achillea millefolium (yarrow), a common plant for this . Larvae develop within flower , inducing galls. are small, delicate flies typical of the family.
Pronunciation
How to pronounce Ozirhincus millefolii: /oʊˈzɪrɪŋkəs ˌmɪlɪˈfoʊli.aɪ/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Distinguished from other Ozirhincus by association with Achillea millefolium. are minute (2-3 mm), with reduced wing venation and long, characteristic of Cecidomyiidae. Larvae are found only within yarrow flower , forming distinctive galls.
Habitat
Open including meadows, grasslands, and disturbed areas where Achillea millefolium (yarrow) grows.
Distribution
Recorded from Belgium, Denmark, Norway, and the contiguous United States.
Diet
Larvae feed on developing florets within yarrow flower , inducing gall formation.
Host Associations
- Achillea millefolium - larval development within flower
Life Cycle
Complete . Larvae develop within galls in yarrow flower . occurs within the gall or in soil. emerge to mate and oviposit in new yarrow flower heads.
Ecological Role
As a gall-former, modifies plant reproductive structures. Provides microhabitat for and within galls.
Similar Taxa
- Ozirhincus hungaricusAlso associated with Achillea ; may co-occur on yarrow and requires careful and morphological distinction
- Other Cecidomyiidae on AsteraceaeNumerous gall midges attack Asteraceae flower ; plant specificity is primary diagnostic feature