Diet

• Adults: Primarily associated with woody vegetation, although the specific adult food plants of P. guttulatus are not well documented.

• Larvae: Wood-boring, developing within dead, dying or weakened branches and woody stems, where they feed on the wood and construct galleries.

• The specific larval host plants of P. guttulatus are not sufficiently documented to confidently identify a particular tree as its primary host.

Range

• The type locality is Guerrero, making this a particularly relevant species for the Pacific-coast fauna of southern Mexico.

• Around Zihuatanejo, it should be considered occasional. Its confirmed presence in Guerrero makes it a realistic species to encounter locally.

Habitat

• Associated with tropical dry forest, tropical deciduous forest, woodland, forest margins and secondary vegetation.

• Around Zihuatanejo, look on tree trunks, larger branches and woody vegetation, particularly where there are dead or declining branches.

• Adults can be remarkably inconspicuous when resting against bark.

• The immature stages remain hidden inside woody material, where the larvae excavate galleries.

Size

• Adult length: approximately 20–30 mm (0.8–1.2 in).

• Body robust and elongated, with the very long antennae characteristic of Lamiinae.

• The body is predominantly dark brown to black, with numerous small pale yellowish or whitish spots distributed across the elytra.