Pine-beetle
Guides
Pseudastylopsis pini
Pseudastylopsis pini is a species of longhorned beetle in the family Cerambycidae, described by Schaeffer in 1905. It belongs to the subfamily Lamiinae and tribe Acanthocinini. The species has been recorded in North and Middle America, with documented presence in Mexico and the United States. Like other members of its genus, it is associated with coniferous hosts.
Thanasimus dubius
dubious checkered beetle, American bark beetle destroyer, checkered beetle predator, Wavering Checkered Beetle
Thanasimus dubius is a predatory checkered beetle (Cleridae) native to North and Central America. It specializes in preying upon bark beetles, particularly species in the genera Ips and Dendroctonus, with the southern pine beetle (Dendroctonus frontalis) being a well-documented prey item. Adults exhibit a stereotyped five-act predatory sequence involving search/ambush, seizure, alignment, consumption, and grooming. The species demonstrates chemotactic responses to bark beetle pheromones and tree volatiles, and shows regional genetic differentiation across its eastern North American range. It has been investigated as a potential biological control agent for forest pest management.