Caryomyia ansericollum
Gagne Description 2
Infrequent, known only from bitternut of the Apocarya section; usually in closely set series, attached to vein on lower leaf surface, occasionally so recurved as to break through leaf surface to upper surface; 4.1-9.0 mm in height, upright, leaning, or recurved, base spheroidal, abruptly narrowed to elongate, narrow, curved or sinuous neck, the apex digitate; with short to long, crinkled, white to light brown hair not obscuring gall surface; green, turning brown, not sticky; base with irregular, shallow, central depression; larval chamber basal, ovoid, white, surrounded by thick, green tissue turning brown and woody; a bundle of fibers present between larval chamber and gall apex. This is the only gall on bitternut with thick, woody tissue; the others are thin-walled and brittle.
Sources and Credits
- (c) Adam Kranz, all rights reserved, uploaded by Adam Kranz
- (c) Adam Kranz, some rights reserved (CC BY-SA)
More Info
- iNat taxon page
- Animal Diversity Web
- Biodiversity Heritage Library
- BOLD Systems BIN search
- BugGuide
- CUIC Insect Images
- Field/Photo ID for Flies
- Global Biodiversity Information Facility (GBIF)
- Guide to Hickory Midge Galls
- Guide to Hickory Midge Galls
- Maryland Biodiversity Project
- NatureServe Explorer 2.0
- Systema Dipterorum
iNat Map
| Carya | cordiformis |
|---|---|
| Texture | hairy |
| Alignment | erect, leaning |
| Detachable | yes |
| Location | leaf midrib, leaf veins (including midrib), lower leaf |
| Walls | thick |
