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''Ips pini'', known generally as the pine engraver or North American pine engraver, is a species of typical bark beetle in the family 
Curculionidae
The Curculionidae are a family of weevils, commonly called snout beetles or true weevils. They are one of the largest animal families, with 6,800 genera and 83,000 species described worldwide. They are the sister group to the family Brentidae.
T ...
. Males construct nuptial chambers in the bark of dead pine or spruce trees. ''Ips pini'' is a tremendous pest when it comes to pines, but mostly of mature red pine plantations. When humans try to get rid of them by trying to burn their habitat, it makes them reproduce even more. As trees get wider, their population ends up competing with other species, but mostly because of the temperature and the chemicals used to stop them is helping the beetle even more.
They are polygynous. After mating, the females create ovipositional chambers off of the nuptial chamber and lay eggs within the gallery.
References
Further reading
* *External links
* Scolytinae Articles created by Qbugbot Taxa named by Thomas Say Insect pests of temperate forests {{Scolytinae-stub