Caryomyia leviglobus
Gagne Description 2
Common, on Eucarya hickories; single or dispersed on lower leaf surface between veins; 2.8-3.5 mm in height, spherical with a conspicuous apical terminus made up of a nipple atop an abruptly raised areola; hairless, not sticky, glabrous, light green, becoming yellow, green, or brown; base with small conical pedicel, leaf without exfoliation; wall firm, brittle, uniformly thin, larval chamber glabrous with longitudinal ridges. Wells (1916) wrote that the gall resembled a small bomb. This gall differs from that of C. spiniglobus in that it lacks hair. Both galls are distinctive for their conspicuous apical knob.
Gagne Biology Note 2
Tiny, soft, light green galls with first instars were first noted in central Maryland on June 10. After mid-June galls in various stages of hardening yielded all instars including thirds. Adults emerged from a slight bulge in the side of the gall that was evidently weakened by the larva the previous autumn.
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 | floridana, glabra, laciniosa, myristiciformis, ovata, pallida, texana, tomentosa |
|---|---|
| Texture | areola, hairless |
| Alignment | erect |
| Detachable | yes |
| Location | between veins, lower leaf |
| Walls | thin |
