Stem borer (Diptera: Agromyzidae) in Osmorhiza [0352]
| Order | Diptera |
|---|---|
| Family | Agromyzidae[M,P,A] |
| Lower taxon | Melanagromyza sp. |
| No. spp. involved | One confirmed [1-C] |
| Feeding mode | Stem borer |
| Host plant | Osmorhiza sp. (Apiaceae) |
The puparium of this borer is formed in the stem; adults emerge in spring. Osmorhiza claytonii and O. longistylis are the two species in the host genus in the geographic area covered by the current study, but the overwintering dead stems from which puparia were collected were identified to genus only.
IMG#: 0352-01
Puparium in stem. (Photo date: April 24, 2021)
IMG#: 0352-02
Posterior spiracles of puparium, showing small horns on the spiracular plates.
IMG#: 0352-05
Spent puparium after adult's successful emergence. This puparium gave rise to an adult female.
IMG#: 0352-06
Spent puparium.
IMG#: 0352-07
Anterior end of puparium after adult's successful emergence.
IMG#: 0352-08
Posterior end of puparium, showing spiracle with small horn.
IMG#: 0352-09
Reared adult female. (Photo date: April 28, 2022)
Specimen data for images
Coll. 04/23/21, photos on 04/24/21 (01-02); coll. 04/09/22, adult em. 04/26/22, photos of adult on 04/28/22 (04, 09) and of spent puparium on 01/13/23 (05-08).
References
[none]
Page created 12/01/23. Last update: 12/01/24