Systoechus
Loew, 1855
Woolly Bee Flies
Species Guides
4- Systoechus candidulus
- Systoechus oreas
- Systoechus solitus
- Systoechus vulgaris(grasshopper bee fly)
Systoechus is a of bee flies in the Bombyliidae, containing more than 120 described . These flies belong to the tribe Bombyliini and are characterized by their woolly appearance. are primarily active in the fall, distinguishing them from the related genus Bombylius which tends to be active in spring. The genus is distinguished from Bombylius by the location of the r-m on the wing.
Pronunciation
How to pronounce Systoechus: /ˈsɪstoʊˌɛkəs/
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Identification
The Systoechus is distinguished from the similar genus Bombylius by the location of the r-m on the wing. Members of Systoechus are characterized by their woolly appearance, which gives rise to their "Woolly Bee Flies." are typically active in the fall, in contrast to Bombylius which are primarily spring-active.
Images
Distribution
Distribution records exist for Denmark (DK), Norway (NO), and Sweden (SE). The has been recorded in North America, with observations from Missouri sand prairies.
Seasonality
are primarily active in the fall, distinguishing them from the related Bombylius which tends to be active in spring.
Behavior
are skittish and difficult to approach, sharing behavioral traits with tiger beetles in their wariness. When disturbed, they readily attempt to fly away.
Similar Taxa
- BombyliusBoth belong to the tribe Bombyliini and share similar overall . They are distinguished by the location of the r-m on the wing and by seasonal activity patterns: Bombylius tends to be active in spring while Systoechus is primarily fall-active.