Gallformers

Explore the seasonal timing of gall development and emergence with our phenology tool

Asphondylia helianthiglobulus

Family: Cecidomyiidae | Genus: Asphondylia

Hosts: Helianthus annuus / Helianthus decapetalus / Helianthus divaricatus / Helianthus giganteus / Helianthus grosseserratus / Helianthus heterophyllus / Helianthus maximiliani / Helianthus mollis / Helianthus neglectus / Helianthus niveus / Helianthus occidentalis / Helianthus petiolaris / Helianthus praecox / Helianthus strumosus / Helianthus tuberosus

Detachable: integral

Color:

Texture:

Abundance:

Shape: globular

Season: Summer

Related:

Alignment:

Walls: thick

Location: bud, stem

Form:

Cells:

Possible Range:ⁱ

Common Name(s):

Synonymy:

Asphondylia helianthiglobulus gall on H. maximiliani.

Image by Chris Friesen © CC-BY

Our ID Notes may contain important tips necessary for distinguishing this gall from similar galls and/or important information about the taxonomic status of this gall inducer.

The plant-feeding gall midges of North America

“

Gall globular, succulent, along side or apex of stem...Asphondylia helianthiglobulus Osten Sacken

Galls are variable in size, 5–15 mm in diameter, usually green, occasionally purple. Adults emerge from the galls in summer...Hosts: H. annuus, H. divaricatus, H. grosseserratus, H. heterophyllus, H. mollis, H. neglectus, H. niveus, H. occidentalis, H. petiolaris, H. praecox, H. strumosus, H. tuberosus.