353 species in 200 genera are known from Block Island.

With more than 42,000 species worldwide, this is the largest superfamily of Lepidoptera by described species. More than 3,650 species occur in the continental US and Canada.

Figure 1. Worldwide diversity of Noctuoidea by family.
Figure 2. North American diversity of Noctuoidea by family. Noctuidae are greatly overrepresented in the region.
Figure 3. Diversity of Noctuoidea on Block Island by family.

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