Crane fly and Two-winged insects

Crane fly noun - Long-legged slender flies that resemble large mosquitoes but do not bite.

Two-winged insects and crane fly are semantically related. In some cases you can use "Two-winged insects" instead a noun phrase "Crane fly".

Two-winged insects noun - Insects having usually a single pair of functional wings (anterior pair) with the posterior pair reduced to small knobbed structures and mouth parts adapted for sucking or lapping or piercing.

Crane fly and two-winged insects are semantically related. Sometimes you can replace phrase "Crane fly" with "Two-winged insects", this phrases are similar.