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"The typical genus of <i>Sironidae</i>. Two species inhabit Europe, one the Philippines, and another (undescribed) is found in the United States. Also called <i>Cyphophthalmus</i>." &mdash; Whitney, 1889 <p>Illustration of a small insect with eight legs.

Siro Americanus

"The typical genus of Sironidae. Two species inhabit Europe, one the Philippines, and another (undescribed)…