More than 2200 species of the wild flora and fauna photographed in Zihuatanejo, Guerrero, Mexico and the surrounding area.
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Beetles of Zihuatanejo
ORDER COLEOPTERA
Round Passandrid
Taphroscelidia linearis
-Arthropods (Phylum Arthropoda)
-Hexapods (Subphylum Hexapoda)
-Winged and Once-winged Insects (Subclass Pterygota)
-Water, Rove, Scarab, Long-horned, Leaf, and Snout Beetles (Suborder Polyphaga)
-Cucujiform Beetles (Infraorder Cucujiformia)
-Superfamily Cucujoidea
-Parasitic Flat Bark Beetles (Family Passandridae)
-Genus Taphroscelidia
-Round Passandrid (Taphroscelidia linearis)
The Round Passandrid (Taphroscelidia linearis) is a small, parasitic flat bark beetle native to the Southeastern United States, Central America, and the West Indies. It is known for its distinctive morphology and a life cycle that involves parasitism on other wood-boring insect larvae. The larvae are ectoparasites, feeding externally on the larvae or pupae of other wood-inhabiting beetles, such as bark beetles, weevils, and longhorn beetles.

Diet
Adults: The feeding habits of Taphroscelidia linearis are poorly understood. Adults are associated with bark and the galleries of wood-boring insects, where they may prey on small organisms or consume material associated with the galleries.
Larvae: The immature biology is particularly poorly known. Members of Passandridae are generally associated with wood-boring insect larvae and pupae, and T. linearis has been recorded inhabiting bark-beetle galleries.
Range
Taphroscelidia linearis is a parasitic flat bark beetle in the family Passandridae.
It is occasionally sighted in Zihua. Its cryptic life beneath bark and within insect galleries means that it is probably encountered far less often than it actually occurs.
The species has also been found at black lights, providing one of the more practical ways of encountering the adult beetles.
Habitat
Associated with dead and dying trees, fallen branches, bark and galleries made by wood-boring insects.
Around Zihua, examine loose bark on dead trees and branches, particularly where there are numerous beetle galleries.
Adults may also be attracted to UV or black lights at night.
Because the species is extremely cryptic, finding its habitat is much easier than finding the beetle itself.
Size
Adult length: approximately 4.4–7.1 mm (0.17–0.28 in).
Body elongated, narrow and somewhat flattened, an excellent shape for moving through bark crevices and insect galleries.
Generally reddish-brown to dark brown, with a relatively long body and distinctive narrow form.