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Longhorn Beetleswhat is it?
These are swarming a new stack of wood beside our house. I’ve never seen them before. Do you know what it is? I forgot to mention, we live in west Michigan
Thanks,
Michelle
Hi Michelle,
This is a Long Horned Borer Beetle possibly in the genus Clytus. BugGuide lists two species in the genus, and Clytus marginicollis seems to be the closer fit. The larvae are the wood boring stage of the insect, and the food is dead wood from hard pines. The adults fly from March to July. Perhaps the adult insects found a rich food source for the larvae and decended upon your wood pile, or possibly the pile included some wood that was already occupied by the larvae which emerged together as adults.
Hey Guys :
Not being picky here … but the cerambycid beetle on 21 April from West Michigan looks closer to Neoclytus caprea, than anything else. A slightly beter photo would seal it. N. caprea emerges in early Spring and is found most commonly depositing its eggs on logs of ash trees, although they will utilize oak, and elm. The individual in the photograph appears to in fact be a female, and she looks like she might just be trying to lay some eggs on that cut wood. Cool !
Ian Swift
Placerita Canyon Nature Center.
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