One of the easiest ladybug parasites to spot is Hesperomyces virescens (Ascomycota: Laboulbeniomycetes: Laboulbeniales).  This fungus lives on the outside of over 30 ladybug species.  We often receive photographs of Harmonia axyridis, like the ones featured below, with "Laboulbeniales."

Other good resources about this fungus:

Several examples from BugGuide.

A spectacular example from BugGuide.

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  Bryan Johns, Weoka, Alabama

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  Ellen Rathbone, Newcomb, NY

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  Gail Starr, Athens, Alabama