Lamellicorn beetle and Stag beetle

Lamellicorn beetle noun - Beetle having antennae with hard platelike terminal segments.

Stag beetle and lamellicorn beetle are semantically related. In some cases you can replace phrase "Stag beetle" with "Lamellicorn beetle", this phrases are similar.

Stag beetle noun - A kind of lamellicorn beetle; the male has branched mandibles resembling antlers.

Lamellicorn beetle and stag beetle are semantically related. You can use "Lamellicorn beetle" instead a noun phrase "Stag beetle".