Narrow Headed Marsh Fly - Phylogeny Analysis
An observation made during Wednesday's bioblitz was a Narrow Headed Marsh Fly ( helophilus fasciatus). Helophilus is a genus of diverse hoverflies that appear bee-like. They are in the Class Insecta, like all other observations in our project: they all have a three part body, and a chitinous exoskeleton. An adaptation of Helophilus is their characteristic striped thorax, and parallel horizontal blotches of coordinated yellow and black on the abdomen. They have the same colours as bees, however being a hoverfly, do not bite or sting.
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