Ululodinae is a subfamily or tribe (as Ululodini) of owlflies. Both they and the

Ascalaphinae Ascalaphinae is the type subfamily of the neuropteran owlfly family. Most species are found in the tropics. Their characteristic apomorphy , shared with the Ululodinae, is the ridge which divides each of their large compound eyes; both groups are ...

are sometimes known as split-eyed owlflies due to the characteristic ridge that bisects their

compound eyes A compound eye is a visual organ found in arthropods such as insects and crustaceans. It may consist of thousands of ommatidia, which are tiny independent photoreception units that consist of a cornea, lens, and photoreceptor cells which distin ...

References

Myrmeleontidae Insect subfamilies {{Antlion-stub