Hammerschmidtia rufa
(Williston, 1882)
black-bristled logsitter
Hammerschmidtia rufa, known as the black-bristled logsitter, is an uncommon syrphid fly distributed across North America. are flower flies that visit flowers for nectar and pollen. The species has been found in association with deciduous trees, with larvae occurring under bark. It was originally described as Hammerschmidtia ferruginea by Curran.
Pronunciation
How to pronounce Hammerschmidtia rufa: /hæmərʃˈmɪdiə ˈruːfə/
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Habitat
Larvae have been found under bark of aspen, elm, walnut, and willow trees. preferences are not well documented beyond flower visitation.
Distribution
North America
Diet
feed on nectar and pollen from flowers. Larval diet is unknown but has been inferred from related syrphid larvae; larvae have been found under bark of deciduous trees.
Host Associations
- Populus tremuloides - larval under bark of aspen
- Ulmus spp. - larval under bark of elm
- Juglans spp. - larval under bark of walnut
- Salix spp. - larval under bark of willow
Behavior
are capable of hovering , remaining nearly motionless in flight like other syrphid flies.
More Details
Nomenclature
Originally described by Fallén in 1817; the was later described as Hammerschmidtia ferruginea by Curran. Authorship is sometimes cited as (Williston, 1882) in modern databases.
Conservation Status
Described as uncommon in available literature.