An online resource based on the award-winning nature guide – maryholland505@gmail.com

Mating Flower Longhorn Beetles

Flower Longhorn Beetles spend their larval life boring into decaying as well as live trees, depending on the species. As adults they leave their wooden tunnels to find food (nectar and pollen), new trees to tunnel in, and to mate. I recently found several pairs of Flower Longhorn Beetles mating on Queen Anne’s Lace, and all of the males had a transparent hose-like appendage coming from the tip of their abdomen which they inserted into the females as they bred. There is actually a name for this appendage – an aedeagus – and through it sperm capsules are delivered to the female. After breeding, the males retract their aedeagi, so they are not visible. Other insects possess aedeagi in different shapes and sizes, but those of longhorn beetles are considered to be among the most impressive.

2 responses

  1. You find and show us the most amazing things! Thank you!

    July 25, 2012 at 5:14 pm

  2. So glad you enjoy them, Pat.

    July 25, 2012 at 9:22 pm

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