Condylostylus melampus
(Loew, 1862)
long-legged fly
Condylostylus melampus is a of in the , first described by Loew in 1862. As a member of the large and diverse Condylostylus, it shares the family's characteristic predatory habits and metallic coloration. The species is part of a family containing approximately 1,300 species in North America north of Mexico alone.
Pronunciation
How to pronounce Condylostylus melampus: /kɒn.dɪˈlɒs.tɪ.ləs mɛˈlæm.pəs/
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Identification
-level identification of Condylostylus melampus requires examination of male , as is typical for the Condylostylus and . Male genitalia are visible as forward-protruding appendages at the abdominal tip. The genus Condylostylus is distinguished from other dolichopodid genera by a combination of leg and characteristics, though precise distinguishing features for C. melampus specifically are not documented in available sources.
Habitat
Based on observations of , Condylostylus are typically found in gardens, along forest edges, and in similar sunny where they dart over foliage.
Diet
As a , Condylostylus melampus is predatory on other small . The possesses a modified lower lip () that forms an extendable appendage with opposable lobes used to crush or tear .
Behavior
Condylostylus are highly active, rarely stopping movement, which makes them difficult to photograph. They are sensitive to camera pre-flash and will readily depart when disturbed. Males of related Condylostylus species have been observed with .
Ecological Role
As of small , Condylostylus function as agents in gardens and natural . They have been described as valuable garden allies for their predatory services.
Human Relevance
Condylostylus are considered in garden and agricultural settings due to their predatory habits. They are frequently encountered by photographers and naturalists but are challenging to image due to their constant movement and sensitivity to disturbance.
Similar Taxa
- Condylostylus species (congeners)Multiple Condylostylus occur in overlapping ranges and share similar metallic green, , or bronze coloration and active . Species identification requires male examination.
- Other Dolichopodidae generaThe contains nearly 60 in North America with highly diverse habits; some genera differ in leg length, use (e.g., aquatic surface skaters in Hydrophorus, tree-trunk runners in Medetera), or body proportions.
More Details
Taxonomic note
Condylostylus melampus was described by Hermann Loew in 1862. The Condylostylus belongs to the Sciapodinae within .
Observation rarity
As of the source data, only 3 observations were documented on iNaturalist, suggesting this may be rarely recorded or difficult to identify from photographs alone.