Condylostylus banksii
(Van Duzee, 1914)
Condylostylus banksii is a of in the , first described by Van Duzee in 1914. Like other members of its , it is a small, predatory typically found in sunny, vegetated . The species exhibits the family's characteristic metallic coloration and elongated legs. Species-level identification within Condylostylus generally requires examination of male .
Pronunciation
How to pronounce Condylostylus banksii: //ˌkɒn.dɪ.loʊˈstaɪ.ləs ˈbæŋk.si.aɪ//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Condylostylus banksii can be distinguished from other Condylostylus only through examination of male , specifically the and associated structures at the tip of the . The Condylostylus is characterized by metallic green, , or bronze coloration, elongated legs, and a body length typically under 5 mm. It differs from the related genus Dolichopus, where males possess distinctive ornamented used in . Condylostylus lacks these modified forelegs.
Images
Habitat
Observations indicate occurrence in gardens, forest edges, and similar sunny, vegetated . These environments align with typical Condylostylus habitat preferences documented for the .
Distribution
Documented from Skokie, Illinois, USA based on photographic records. The Condylostylus is widely distributed across North America.
Diet
Predatory on other small . capture is accomplished using modified mouthparts: the lower lip () is extendable and equipped with opposable lobes that crush or tear prey.
Behavior
are active, rarely stationary, and sensitive to disturbance including camera pre-flash. They are agile fliers that dart over vegetation. Predatory involves active pursuit and capture of small using specialized mouthparts.
Ecological Role
Serves as a of small in vegetated . May contribute to regulation of of other small .
Human Relevance
Potential value as a garden ally due to predatory habits, though specific documentation for this is lacking. The extreme difficulty of photographing live specimens has been noted by observers.
Similar Taxa
- Condylostylus speciesOther Condylostylus are externally indistinguishable from C. banksii; species identification requires male examination.
- Dolichopus speciesMales of Dolichopus possess ornamented with -like flags used in courtship, which Condylostylus lacks. Both share metallic coloration and long-legged .
- Hydrophorus speciesHydrophorus are associated with water surfaces and exhibit skating , unlike the vegetation-dwelling Condylostylus. Hydrophorus also has different leg proportions adapted for surface .
More Details
Taxonomic Note
described by Van Duzee in 1914. The Condylostylus is part of the Sciapodinae within .
Observation Record
One documented photographic record from Skokie, Illinois exists in the source material, though iNaturalist indicates 38 total observations for this .